" Maintainer: Luca Saccarola <github.e41mv@aleeas.com>
" Former Maintainer: Charles E Campbell
" Upstream: <https://github.com/saccarosium/netrw.vim>
" Copyright:    Copyright (C) 2016 Charles E. Campbell {{{1
"               Permission is hereby granted to use and distribute this code,
"               with or without modifications, provided that this copyright
"               notice is copied with it. Like anything else that's free,
"               netrw.vim, netrwPlugin.vim, and netrwSettings.vim are provided
"               *as is* and come with no warranty of any kind, either
"               expressed or implied. By using this plugin, you agree that
"               in no event will the copyright holder be liable for any damages
"               resulting from the use of this software.
"
" Note: the code here was started in 1999 under a much earlier version of vim.  The directory browsing
"       code was written using vim v6, which did not have Lists (Lists were first offered with vim-v7).

" Load Once: {{{1
if &cp || exists("g:loaded_netrw")
  finish
endif

" Check that vim has patches that netrw requires.
" Patches needed for v7.4: 1557, and 213.
" (netrw will benefit from vim's having patch#656, too)
let s:needspatches=[1557,213]
if exists("s:needspatches")
  for ptch in s:needspatches
    if v:version < 704 || (v:version == 704 && !has("patch".ptch))
      if !exists("s:needpatch{ptch}")
        unsilent echomsg "***sorry*** this version of netrw requires vim v7.4 with patch#".ptch
      endif
      let s:needpatch{ptch}= 1
      finish
    endif
  endfor
endif

let g:loaded_netrw = "v175"

let s:keepcpo= &cpo
setl cpo&vim
"DechoFuncName 1
"DechoRemOn
"call Decho("doing autoload/netrw.vim version ".g:loaded_netrw,'~'.expand("<slnum>"))

" ======================
"  Netrw Variables: {{{1
" ======================

" ---------------------------------------------------------------------
" netrw#ErrorMsg: {{{2
"   0=note     = s:NOTE
"   1=warning  = s:WARNING
"   2=error    = s:ERROR
"   Usage: netrw#ErrorMsg(s:NOTE | s:WARNING | s:ERROR,"some message",error-number)
"          netrw#ErrorMsg(s:NOTE | s:WARNING | s:ERROR,["message1","message2",...],error-number)
"          (this function can optionally take a list of messages)
"  Dec 2, 2019 : max errnum currently is 106
fun! netrw#ErrorMsg(level,msg,errnum)
  "  call Dfunc("netrw#ErrorMsg(level=".a:level." msg<".a:msg."> errnum=".a:errnum.") g:netrw_use_errorwindow=".g:netrw_use_errorwindow)

  if a:level < g:netrw_errorlvl
    "   call Dret("netrw#ErrorMsg : suppressing level=".a:level." since g:netrw_errorlvl=".g:netrw_errorlvl)
    return
  endif

  if a:level == 1
    let level= "**warning** (netrw) "
  elseif a:level == 2
    let level= "**error** (netrw) "
  else
    let level= "**note** (netrw) "
  endif
  "  call Decho("level=".level,'~'.expand("<slnum>"))

  if g:netrw_use_errorwindow == 2 && exists("*popup_atcursor")
    " use popup window
    if type(a:msg) == 3
      let msg = [level]+a:msg
    else
      let msg= level.a:msg
    endif
    let s:popuperr_id  = popup_atcursor(msg,{})
    let s:popuperr_text= ""
  elseif g:netrw_use_errorwindow
    " (default) netrw creates a one-line window to show error/warning
    " messages (reliably displayed)

    " record current window number
    let s:winBeforeErr= winnr()
    "   call Decho("s:winBeforeErr=".s:winBeforeErr,'~'.expand("<slnum>"))

    " getting messages out reliably is just plain difficult!
    " This attempt splits the current window, creating a one line window.
    if bufexists("NetrwMessage") && bufwinnr("NetrwMessage") > 0
      "    call Decho("write to NetrwMessage buffer",'~'.expand("<slnum>"))
      exe bufwinnr("NetrwMessage")."wincmd w"
      "    call Decho("setl ma noro",'~'.expand("<slnum>"))
      setl ma noro
      if type(a:msg) == 3
        for msg in a:msg
          NetrwKeepj call setline(line("$")+1,level.msg)
        endfor
      else
        NetrwKeepj call setline(line("$")+1,level.a:msg)
      endif
      NetrwKeepj $
    else
      "    call Decho("create a NetrwMessage buffer window",'~'.expand("<slnum>"))
      bo 1split
      sil! call s:NetrwEnew()
      sil! NetrwKeepj call s:NetrwOptionsSafe(1)
      setl bt=nofile
      NetrwKeepj file NetrwMessage
      "    call Decho("setl ma noro",'~'.expand("<slnum>"))
      setl ma noro
      if type(a:msg) == 3
        for msg in a:msg
          NetrwKeepj call setline(line("$")+1,level.msg)
        endfor
      else
        NetrwKeepj call setline(line("$"),level.a:msg)
      endif
      NetrwKeepj $
    endif
    "   call Decho("wrote msg<".level.a:msg."> to NetrwMessage win#".winnr(),'~'.expand("<slnum>"))
    if &fo !~ '[ta]'
      syn clear
      syn match netrwMesgNote     "^\*\*note\*\*"
      syn match netrwMesgWarning  "^\*\*warning\*\*"
      syn match netrwMesgError    "^\*\*error\*\*"
      hi link netrwMesgWarning WarningMsg
      hi link netrwMesgError   Error
    endif
    "   call Decho("setl noma ro bh=wipe",'~'.expand("<slnum>"))
    setl ro nomod noma bh=wipe

  else
    " (optional) netrw will show messages using echomsg.  Even if the
    " message doesn't appear, at least it'll be recallable via :messages
    "   redraw!
    if a:level == s:WARNING
      echohl WarningMsg
    elseif a:level == s:ERROR
      echohl Error
    endif

    if type(a:msg) == 3
      for msg in a:msg
        unsilent echomsg level.msg
      endfor
    else
      unsilent echomsg level.a:msg
    endif

    "   call Decho("echomsg ***netrw*** ".a:msg,'~'.expand("<slnum>"))
    echohl None
  endif

  "  call Dret("netrw#ErrorMsg")
endfun

" ---------------------------------------------------------------------
" s:NetrwInit: initializes variables if they haven't been defined {{{2
"            Loosely,  varname = value.
fun s:NetrwInit(varname,value)
  " call Decho("varname<".a:varname."> value=".a:value,'~'.expand("<slnum>"))
  if !exists(a:varname)
    if type(a:value) == 0
      exe "let ".a:varname."=".a:value
    elseif type(a:value) == 1 && a:value =~ '^[{[]'
      exe "let ".a:varname."=".a:value
    elseif type(a:value) == 1
      exe "let ".a:varname."="."'".a:value."'"
    else
      exe "let ".a:varname."=".a:value
    endif
  endif
endfun

" ---------------------------------------------------------------------
"  Netrw Constants: {{{2
call s:NetrwInit("g:netrw_dirhistcnt",0)
if !exists("s:LONGLIST")
  call s:NetrwInit("s:THINLIST",0)
  call s:NetrwInit("s:LONGLIST",1)
  call s:NetrwInit("s:WIDELIST",2)
  call s:NetrwInit("s:TREELIST",3)
  call s:NetrwInit("s:MAXLIST" ,4)
endif

let s:NOTE    = 0
let s:WARNING = 1
let s:ERROR   = 2
call s:NetrwInit("g:netrw_errorlvl", s:NOTE)

" ---------------------------------------------------------------------
" Default option values: {{{2
let g:netrw_localcopycmdopt    = ""
let g:netrw_localcopydircmdopt = ""
let g:netrw_localmkdiropt      = ""
let g:netrw_localmovecmdopt    = ""

" ---------------------------------------------------------------------
" Default values for netrw's global protocol variables {{{2
if !exists("g:netrw_use_errorwindow")
  let g:netrw_use_errorwindow = 0
endif

if !exists("g:netrw_dav_cmd")
  if executable("cadaver")
    let g:netrw_dav_cmd   = "cadaver"
  elseif executable("curl")
    let g:netrw_dav_cmd   = "curl"
  else
    let g:netrw_dav_cmd   = ""
  endif
endif
if !exists("g:netrw_fetch_cmd")
  if executable("fetch")
    let g:netrw_fetch_cmd = "fetch -o"
  else
    let g:netrw_fetch_cmd = ""
  endif
endif
if !exists("g:netrw_file_cmd")
  if executable("elinks")
    call s:NetrwInit("g:netrw_file_cmd","elinks")
  elseif executable("links")
    call s:NetrwInit("g:netrw_file_cmd","links")
  endif
endif
if !exists("g:netrw_ftp_cmd")
  let g:netrw_ftp_cmd   = "ftp"
endif
let s:netrw_ftp_cmd= g:netrw_ftp_cmd
if !exists("g:netrw_ftp_options")
  let g:netrw_ftp_options= "-i -n"
endif
if !exists("g:netrw_http_cmd")
  if executable("wget")
    let g:netrw_http_cmd  = "wget"
    call s:NetrwInit("g:netrw_http_xcmd","-q -O")
  elseif executable("curl")
    let g:netrw_http_cmd  = "curl"
    call s:NetrwInit("g:netrw_http_xcmd","-L -o")
  elseif executable("elinks")
    let g:netrw_http_cmd = "elinks"
    call s:NetrwInit("g:netrw_http_xcmd","-source >")
  elseif executable("fetch")
    let g:netrw_http_cmd  = "fetch"
    call s:NetrwInit("g:netrw_http_xcmd","-o")
  elseif executable("links")
    let g:netrw_http_cmd = "links"
    call s:NetrwInit("g:netrw_http_xcmd","-http.extra-header ".shellescape("Accept-Encoding: identity", 1)." -source >")
  else
    let g:netrw_http_cmd  = ""
  endif
endif
call s:NetrwInit("g:netrw_http_put_cmd","curl -T")
call s:NetrwInit("g:netrw_keepj","keepj")
call s:NetrwInit("g:netrw_rcp_cmd"  , "rcp")
call s:NetrwInit("g:netrw_rsync_cmd", "rsync")
call s:NetrwInit("g:netrw_rsync_sep", "/")
if !exists("g:netrw_scp_cmd")
  if executable("scp")
    call s:NetrwInit("g:netrw_scp_cmd" , "scp -q")
  elseif executable("pscp")
    call s:NetrwInit("g:netrw_scp_cmd", 'pscp -q')
  else
    call s:NetrwInit("g:netrw_scp_cmd" , "scp -q")
  endif
endif
call s:NetrwInit("g:netrw_sftp_cmd" , "sftp")
call s:NetrwInit("g:netrw_ssh_cmd"  , "ssh")

if has("win32")
      \ && exists("g:netrw_use_nt_rcp")
      \ && g:netrw_use_nt_rcp
      \ && executable( $SystemRoot .'/system32/rcp.exe')
  let s:netrw_has_nt_rcp = 1
  let s:netrw_rcpmode    = '-b'
else
  let s:netrw_has_nt_rcp = 0
  let s:netrw_rcpmode    = ''
endif

" ---------------------------------------------------------------------
" Default values for netrw's global variables {{{2
" Cygwin Detection ------- {{{3
if !exists("g:netrw_cygwin")
  if has("win32unix") && &shell =~ '\%(\<bash\>\|\<zsh\>\)\%(\.exe\)\=$'
    let g:netrw_cygwin= 1
  else
    let g:netrw_cygwin= 0
  endif
endif
" Default values - a-c ---------- {{{3
call s:NetrwInit("g:netrw_alto"        , &sb)
call s:NetrwInit("g:netrw_altv"        , &spr)
call s:NetrwInit("g:netrw_banner"      , 1)
call s:NetrwInit("g:netrw_browse_split", 0)
call s:NetrwInit("g:netrw_bufsettings" , "noma nomod nonu nobl nowrap ro nornu")
call s:NetrwInit("g:netrw_chgwin"      , -1)
call s:NetrwInit("g:netrw_clipboard"   , 1)
call s:NetrwInit("g:netrw_compress"    , "gzip")
call s:NetrwInit("g:netrw_ctags"       , "ctags")
if exists("g:netrw_cursorline") && !exists("g:netrw_cursor")
  call netrw#ErrorMsg(s:NOTE,'g:netrw_cursorline is deprecated; use g:netrw_cursor instead',77)
  let g:netrw_cursor= g:netrw_cursorline
endif
call s:NetrwInit("g:netrw_cursor"      , 2)
let s:netrw_usercul = &cursorline
let s:netrw_usercuc = &cursorcolumn
"call Decho("(netrw) COMBAK: cuc=".&l:cuc." cul=".&l:cul." initialization of s:netrw_cu[cl]")
call s:NetrwInit("g:netrw_cygdrive","/cygdrive")
" Default values - d-g ---------- {{{3
call s:NetrwInit("s:didstarstar",0)
call s:NetrwInit("g:netrw_dirhistcnt"      , 0)
let s:xz_opt = has('unix') ? "XZ_OPT=-T0" :
      \ (has("win32") && &shell =~? '\vcmd(\.exe)?$' ?
      \ "setx XZ_OPT=-T0 &&" : "")
call s:NetrwInit("g:netrw_decompress ", "{"
      \ .."'.lz4':      'lz4 -d',"
      \ .."'.lzo':      'lzop -d',"
      \ .."'.lz':       'lzip -dk',"
      \ .."'.7z':       '7za x',"
      \ .."'.001':      '7za x',"
      \ .."'.zip':      'unzip',"
      \ .."'.bz':       'bunzip2 -k',"
      \ .."'.bz2':      'bunzip2 -k',"
      \ .."'.gz':       'gunzip -k',"
      \ .."'.lzma':     'unlzma -T0 -k',"
      \ .."'.xz':       'unxz -T0 -k',"
      \ .."'.zst':      'zstd -T0 -d',"
      \ .."'.Z':        'uncompress -k',"
      \ .."'.tar':      'tar -xvf',"
      \ .."'.tar.bz':   'tar -xvjf',"
      \ .."'.tar.bz2':  'tar -xvjf',"
      \ .."'.tbz':      'tar -xvjf',"
      \ .."'.tbz2':     'tar -xvjf',"
      \ .."'.tar.gz':   'tar -xvzf',"
      \ .."'.tgz':      'tar -xvzf',"
      \ .."'.tar.lzma': '"..s:xz_opt.." tar -xvf --lzma',"
      \ .."'.tlz':      '"..s:xz_opt.." tar -xvf --lzma',"
      \ .."'.tar.xz':   '"..s:xz_opt.." tar -xvfJ',"
      \ .."'.txz':      '"..s:xz_opt.." tar -xvfJ',"
      \ .."'.tar.zst':  '"..s:xz_opt.." tar -xvf --use-compress-program=unzstd',"
      \ .."'.tzst':     '"..s:xz_opt.." tar -xvf --use-compress-program=unzstd',"
      \ .."'.rar':      '"..(executable("unrar")?"unrar x -ad":"rar x -ad").."'"
      \ .."}")
unlet s:xz_opt
call s:NetrwInit("g:netrw_dirhistmax"       , 10)
call s:NetrwInit("g:netrw_fastbrowse"       , 1)
call s:NetrwInit("g:netrw_ftp_browse_reject", '^total\s\+\d\+$\|^Trying\s\+\d\+.*$\|^KERBEROS_V\d rejected\|^Security extensions not\|No such file\|: connect to address [0-9a-fA-F:]*: No route to host$')
if !exists("g:netrw_ftp_list_cmd")
  if has("unix") || (exists("g:netrw_cygwin") && g:netrw_cygwin)
    let g:netrw_ftp_list_cmd     = "ls -lF"
    let g:netrw_ftp_timelist_cmd = "ls -tlF"
    let g:netrw_ftp_sizelist_cmd = "ls -slF"
  else
    let g:netrw_ftp_list_cmd     = "dir"
    let g:netrw_ftp_timelist_cmd = "dir"
    let g:netrw_ftp_sizelist_cmd = "dir"
  endif
endif
call s:NetrwInit("g:netrw_ftpmode",'binary')
" Default values - h-lh ---------- {{{3
call s:NetrwInit("g:netrw_hide",1)
if !exists("g:netrw_ignorenetrc")
  if &shell =~ '\c\<\%(cmd\|4nt\)\.exe$'
    let g:netrw_ignorenetrc= 1
  else
    let g:netrw_ignorenetrc= 0
  endif
endif
call s:NetrwInit("g:netrw_keepdir",1)
if !exists("g:netrw_list_cmd")
  if g:netrw_scp_cmd =~ '^pscp' && executable("pscp")
    if exists("g:netrw_list_cmd_options")
      let g:netrw_list_cmd= g:netrw_scp_cmd." -ls USEPORT HOSTNAME: ".g:netrw_list_cmd_options
    else
      let g:netrw_list_cmd= g:netrw_scp_cmd." -ls USEPORT HOSTNAME:"
    endif
  elseif executable(g:netrw_ssh_cmd)
    " provide a scp-based default listing command
    if exists("g:netrw_list_cmd_options")
      let g:netrw_list_cmd= g:netrw_ssh_cmd." USEPORT HOSTNAME ls -FLa ".g:netrw_list_cmd_options
    else
      let g:netrw_list_cmd= g:netrw_ssh_cmd." USEPORT HOSTNAME ls -FLa"
    endif
  else
    "  call Decho(g:netrw_ssh_cmd." is not executable",'~'.expand("<slnum>"))
    let g:netrw_list_cmd= ""
  endif
endif
call s:NetrwInit("g:netrw_list_hide","")
" Default values - lh-lz ---------- {{{3
if exists("g:netrw_local_copycmd")
  let g:netrw_localcopycmd= g:netrw_local_copycmd
  call netrw#ErrorMsg(s:NOTE,"g:netrw_local_copycmd is deprecated in favor of g:netrw_localcopycmd",84)
endif
if !exists("g:netrw_localcmdshell")
  let g:netrw_localcmdshell= ""
endif
if !exists("g:netrw_localcopycmd")
  if has("win32")
    if g:netrw_cygwin
      let g:netrw_localcopycmd= "cp"
    else
      let g:netrw_localcopycmd   = expand("$COMSPEC", v:true)
      let g:netrw_localcopycmdopt= " /c copy"
    endif
  elseif has("unix") || has("macunix")
    let g:netrw_localcopycmd= "cp"
  else
    let g:netrw_localcopycmd= ""
  endif
endif
if !exists("g:netrw_localcopydircmd")
  if has("win32")
    if g:netrw_cygwin
      let g:netrw_localcopydircmd   = "cp"
      let g:netrw_localcopydircmdopt= " -R"
    else
      let g:netrw_localcopydircmd   = expand("$COMSPEC", v:true)
      let g:netrw_localcopydircmdopt= " /c xcopy /e /c /h /i /k"
    endif
  elseif has("unix")
    let g:netrw_localcopydircmd   = "cp"
    let g:netrw_localcopydircmdopt= " -R"
  elseif has("macunix")
    let g:netrw_localcopydircmd   = "cp"
    let g:netrw_localcopydircmdopt= " -R"
  else
    let g:netrw_localcopydircmd= ""
  endif
endif
if exists("g:netrw_local_mkdir")
  let g:netrw_localmkdir= g:netrw_local_mkdir
  call netrw#ErrorMsg(s:NOTE,"g:netrw_local_mkdir is deprecated in favor of g:netrw_localmkdir",87)
endif
if has("win32")
  if g:netrw_cygwin
    call s:NetrwInit("g:netrw_localmkdir","mkdir")
  else
    let g:netrw_localmkdir   = expand("$COMSPEC", v:true)
    let g:netrw_localmkdiropt= " /c mkdir"
  endif
else
  call s:NetrwInit("g:netrw_localmkdir","mkdir")
endif
call s:NetrwInit("g:netrw_remote_mkdir","mkdir")
if exists("g:netrw_local_movecmd")
  let g:netrw_localmovecmd= g:netrw_local_movecmd
  call netrw#ErrorMsg(s:NOTE,"g:netrw_local_movecmd is deprecated in favor of g:netrw_localmovecmd",88)
endif
if !exists("g:netrw_localmovecmd")
  if has("win32")
    if g:netrw_cygwin
      let g:netrw_localmovecmd= "mv"
    else
      let g:netrw_localmovecmd   = expand("$COMSPEC", v:true)
      let g:netrw_localmovecmdopt= " /c move"
    endif
  elseif has("unix") || has("macunix")
    let g:netrw_localmovecmd= "mv"
  else
    let g:netrw_localmovecmd= ""
  endif
endif
" following serves as an example for how to insert a version&patch specific test
"if v:version < 704 || (v:version == 704 && !has("patch1107"))
"endif
call s:NetrwInit("g:netrw_liststyle"  , s:THINLIST)
" sanity checks
if g:netrw_liststyle < 0 || g:netrw_liststyle >= s:MAXLIST
  let g:netrw_liststyle= s:THINLIST
endif
if g:netrw_liststyle == s:LONGLIST && g:netrw_scp_cmd !~ '^pscp'
  let g:netrw_list_cmd= g:netrw_list_cmd." -l"
endif
" Default values - m-r ---------- {{{3
call s:NetrwInit("g:netrw_markfileesc"   , '*./[\~')
call s:NetrwInit("g:netrw_maxfilenamelen", 32)
call s:NetrwInit("g:netrw_menu"          , 1)
call s:NetrwInit("g:netrw_mkdir_cmd"     , g:netrw_ssh_cmd." USEPORT HOSTNAME mkdir")
call s:NetrwInit("g:netrw_mousemaps"     , (exists("+mouse") && &mouse =~# '[anh]'))
call s:NetrwInit("g:netrw_retmap"        , 0)
if has("unix") || (exists("g:netrw_cygwin") && g:netrw_cygwin)
  call s:NetrwInit("g:netrw_chgperm"       , "chmod PERM FILENAME")
elseif has("win32")
  call s:NetrwInit("g:netrw_chgperm"       , "cacls FILENAME /e /p PERM")
else
  call s:NetrwInit("g:netrw_chgperm"       , "chmod PERM FILENAME")
endif
call s:NetrwInit("g:netrw_preview"       , 0)
call s:NetrwInit("g:netrw_scpport"       , "-P")
call s:NetrwInit("g:netrw_servername"    , "NETRWSERVER")
call s:NetrwInit("g:netrw_sshport"       , "-p")
call s:NetrwInit("g:netrw_rename_cmd"    , g:netrw_ssh_cmd." USEPORT HOSTNAME mv")
call s:NetrwInit("g:netrw_rm_cmd"        , g:netrw_ssh_cmd." USEPORT HOSTNAME rm")
call s:NetrwInit("g:netrw_rmdir_cmd"     , g:netrw_ssh_cmd." USEPORT HOSTNAME rmdir")
call s:NetrwInit("g:netrw_rmf_cmd"       , g:netrw_ssh_cmd." USEPORT HOSTNAME rm -f ")
" Default values - q-s ---------- {{{3
call s:NetrwInit("g:netrw_quickhelp",0)
let s:QuickHelp= ["-:go up dir  D:delete  R:rename  s:sort-by  x:special",
      \              "(create new)  %:file  d:directory",
      \              "(windows split&open) o:horz  v:vert  p:preview",
      \              "i:style  qf:file info  O:obtain  r:reverse",
      \              "(marks)  mf:mark file  mt:set target  mm:move  mc:copy",
      \              "(bookmarks)  mb:make  mB:delete  qb:list  gb:go to",
      \              "(history)  qb:list  u:go up  U:go down",
      \              "(targets)  mt:target Tb:use bookmark  Th:use history"]
" g:netrw_sepchr: picking a character that doesn't appear in filenames that can be used to separate priority from filename
call s:NetrwInit("g:netrw_sepchr"        , (&enc == "euc-jp")? "\<Char-0x01>" : "\<Char-0xff>")
if !exists("g:netrw_keepj") || g:netrw_keepj == "keepj"
  call s:NetrwInit("s:netrw_silentxfer"    , (exists("g:netrw_silent") && g:netrw_silent != 0)? "sil keepj " : "keepj ")
else
  call s:NetrwInit("s:netrw_silentxfer"    , (exists("g:netrw_silent") && g:netrw_silent != 0)? "sil " : " ")
endif
call s:NetrwInit("g:netrw_sort_by"       , "name") " alternatives: date                                      , size
call s:NetrwInit("g:netrw_sort_options"  , "")
call s:NetrwInit("g:netrw_sort_direction", "normal") " alternative: reverse  (z y x ...)
if !exists("g:netrw_sort_sequence")
  if has("unix")
    let g:netrw_sort_sequence= '[\/]$,\<core\%(\.\d\+\)\=\>,\.h$,\.c$,\.cpp$,\~\=\*$,*,\.o$,\.obj$,\.info$,\.swp$,\.bak$,\~$'
  else
    let g:netrw_sort_sequence= '[\/]$,\.h$,\.c$,\.cpp$,*,\.o$,\.obj$,\.info$,\.swp$,\.bak$,\~$'
  endif
endif
call s:NetrwInit("g:netrw_special_syntax"   , 0)
call s:NetrwInit("g:netrw_ssh_browse_reject", '^total\s\+\d\+$')
call s:NetrwInit("g:netrw_use_noswf"        , 1)
call s:NetrwInit("g:netrw_sizestyle"        ,"b")
" Default values - t-w ---------- {{{3
call s:NetrwInit("g:netrw_timefmt","%c")
if !exists("g:netrw_xstrlen")
  if exists("g:Align_xstrlen")
    let g:netrw_xstrlen= g:Align_xstrlen
  elseif exists("g:drawit_xstrlen")
    let g:netrw_xstrlen= g:drawit_xstrlen
  elseif &enc == "latin1" || !has("multi_byte")
    let g:netrw_xstrlen= 0
  else
    let g:netrw_xstrlen= 1
  endif
endif
call s:NetrwInit("g:NetrwTopLvlMenu","Netrw.")
call s:NetrwInit("g:netrw_winsize",50)
call s:NetrwInit("g:netrw_wiw",1)
if g:netrw_winsize > 100|let g:netrw_winsize= 100|endif
" ---------------------------------------------------------------------
" Default values for netrw's script variables: {{{2
call s:NetrwInit("g:netrw_fname_escape",' ?&;%')
if has("win32")
  call s:NetrwInit("g:netrw_glob_escape",'*?`{[]$')
else
  call s:NetrwInit("g:netrw_glob_escape",'*[]?`{~$\')
endif
call s:NetrwInit("g:netrw_menu_escape",'.&? \')
call s:NetrwInit("g:netrw_tmpfile_escape",' &;')
call s:NetrwInit("s:netrw_map_escape","<|\n\r\\\<C-V>\"")
if has("gui_running") && (&enc == 'utf-8' || &enc == 'utf-16' || &enc == 'ucs-4')
  let s:treedepthstring= "│ "
else
  let s:treedepthstring= "| "
endif
call s:NetrwInit("s:netrw_posn",'{}')

" BufEnter event ignored by decho when following variable is true
"  Has a side effect that doau BufReadPost doesn't work, so
"  files read by network transfer aren't appropriately highlighted.
"let g:decho_bufenter = 1       "Decho

" ======================
"  Netrw Initialization: {{{1
" ======================
if v:version >= 700 && has("balloon_eval") && !exists("s:initbeval") && !exists("g:netrw_nobeval") && has("syntax") && exists("g:syntax_on")
  " call Decho("installed beval events",'~'.expand("<slnum>"))
  let &l:bexpr = "netrw#BalloonHelp()"
  " call Decho("&l:bexpr<".&l:bexpr."> buf#".bufnr())
  au FileType netrw      setl beval
  au WinLeave *          if &ft == "netrw" && exists("s:initbeval")|let &beval= s:initbeval|endif
  au VimEnter *          let s:initbeval= &beval
  "else " Decho
  " if v:version < 700           | call Decho("did not install beval events: v:version=".v:version." < 700","~".expand("<slnum>"))     | endif
  " if !has("balloon_eval")      | call Decho("did not install beval events: does not have balloon_eval","~".expand("<slnum>"))        | endif
  " if exists("s:initbeval")     | call Decho("did not install beval events: s:initbeval exists","~".expand("<slnum>"))                | endif
  " if exists("g:netrw_nobeval") | call Decho("did not install beval events: g:netrw_nobeval exists","~".expand("<slnum>"))            | endif
  " if !has("syntax")            | call Decho("did not install beval events: does not have syntax highlighting","~".expand("<slnum>")) | endif
  " if exists("g:syntax_on")     | call Decho("did not install beval events: g:syntax_on exists","~".expand("<slnum>"))                | endif
endif
au WinEnter *   if &ft == "netrw"|call s:NetrwInsureWinVars()|endif

if g:netrw_keepj =~# "keepj"
  com! -nargs=*  NetrwKeepj      keepj <args>
else
  let g:netrw_keepj= ""
  com! -nargs=*  NetrwKeepj      <args>
endif

" ==============================
"  Netrw Utility Functions: {{{1
" ==============================

" ---------------------------------------------------------------------
" netrw#BalloonHelp: {{{2
if v:version >= 700 && has("balloon_eval") && has("syntax") && exists("g:syntax_on") && !exists("g:netrw_nobeval")
  " call Decho("loading netrw#BalloonHelp()",'~'.expand("<slnum>"))
  fun! netrw#BalloonHelp()
    if &ft != "netrw"
      return ""
    endif
    if exists("s:popuperr_id") && popup_getpos(s:popuperr_id) != {}
      " popup error window is still showing
      " s:pouperr_id and s:popuperr_text are set up in netrw#ErrorMsg()
      if exists("s:popuperr_text") && s:popuperr_text != "" && v:beval_text != s:popuperr_text
        " text under mouse hasn't changed; only close window when it changes
        call popup_close(s:popuperr_id)
        unlet s:popuperr_text
      else
        let s:popuperr_text= v:beval_text
      endif
      let mesg= ""
    elseif !exists("w:netrw_bannercnt") || v:beval_lnum >= w:netrw_bannercnt || (exists("g:netrw_nobeval") && g:netrw_nobeval)
      let mesg= ""
    elseif     v:beval_text == "Netrw" || v:beval_text == "Directory" || v:beval_text == "Listing"
      let mesg = "i: thin-long-wide-tree  gh: quick hide/unhide of dot-files   qf: quick file info  %:open new file"
    elseif     getline(v:beval_lnum) =~ '^"\s*/'
      let mesg = "<cr>: edit/enter   o: edit/enter in horiz window   t: edit/enter in new tab   v:edit/enter in vert window"
    elseif     v:beval_text == "Sorted" || v:beval_text == "by"
      let mesg = 's: sort by name, time, file size, extension   r: reverse sorting order   mt: mark target'
    elseif v:beval_text == "Sort"   || v:beval_text == "sequence"
      let mesg = "S: edit sorting sequence"
    elseif v:beval_text == "Hiding" || v:beval_text == "Showing"
      let mesg = "a: hiding-showing-all   ctrl-h: editing hiding list   mh: hide/show by suffix"
    elseif v:beval_text == "Quick" || v:beval_text == "Help"
      let mesg = "Help: press <F1>"
    elseif v:beval_text == "Copy/Move" || v:beval_text == "Tgt"
      let mesg = "mt: mark target   mc: copy marked file to target   mm: move marked file to target"
    else
      let mesg= ""
    endif
    return mesg
  endfun
  "else " Decho
  " if v:version < 700            |call Decho("did not load netrw#BalloonHelp(): vim version ".v:version." < 700 -","~".expand("<slnum>"))|endif
  " if !has("balloon_eval")       |call Decho("did not load netrw#BalloonHelp(): does not have balloon eval","~".expand("<slnum>"))       |endif
  " if !has("syntax")             |call Decho("did not load netrw#BalloonHelp(): syntax disabled","~".expand("<slnum>"))                  |endif
  " if !exists("g:syntax_on")     |call Decho("did not load netrw#BalloonHelp(): g:syntax_on n/a","~".expand("<slnum>"))                  |endif
  " if  exists("g:netrw_nobeval") |call Decho("did not load netrw#BalloonHelp(): g:netrw_nobeval exists","~".expand("<slnum>"))           |endif
endif

" ------------------------------------------------------------------------
" netrw#Explore: launch the local browser in the directory of the current file {{{2
"          indx:  == -1: Nexplore
"                 == -2: Pexplore
"                 ==  +: this is overloaded:
"                      * If Nexplore/Pexplore is in use, then this refers to the
"                        indx'th item in the w:netrw_explore_list[] of items which
"                        matched the */pattern **/pattern *//pattern **//pattern
"                      * If Hexplore or Vexplore, then this will override
"                        g:netrw_winsize to specify the qty of rows or columns the
"                        newly split window should have.
"          dosplit==0: the window will be split iff the current file has been modified and hidden not set
"          dosplit==1: the window will be split before running the local browser
"          style == 0: Explore     style == 1: Explore!
"                == 2: Hexplore    style == 3: Hexplore!
"                == 4: Vexplore    style == 5: Vexplore!
"                == 6: Texplore
fun! netrw#Explore(indx,dosplit,style,...)
  if !exists("b:netrw_curdir")
    let b:netrw_curdir= getcwd()
  endif

  " record current file for Rexplore's benefit
  if &ft != "netrw"
    let w:netrw_rexfile= expand("%:p")
  endif

  " record current directory
  let curdir     = simplify(b:netrw_curdir)
  let curfiledir = substitute(expand("%:p"),'^\(.*[/\\]\)[^/\\]*$','\1','e')
  if !exists("g:netrw_cygwin") && has("win32")
    let curdir= substitute(curdir,'\','/','g')
  endif

  " using completion, directories with spaces in their names (thanks, Bill Gates, for a truly dumb idea)
  " will end up with backslashes here.  Solution: strip off backslashes that precede white space and
  " try Explore again.
  if a:0 > 0
    if a:1 =~ "\\\s" && !filereadable(s:NetrwFile(a:1)) && !isdirectory(s:NetrwFile(a:1))
      let a1 = substitute(a:1, '\\\(\s\)', '\1', 'g')
      if a1 != a:1
        call netrw#Explore(a:indx, a:dosplit, a:style, a1)
        return
      endif
    endif
  endif

  " save registers
  if !has('nvim') && has("clipboard") && g:netrw_clipboard
    "   call Decho("(netrw#Explore) save @* and @+",'~'.expand("<slnum>"))
    sil! let keepregstar = @*
    sil! let keepregplus = @+
  endif
  sil! let keepregslash= @/

  " if   dosplit
  " -or- file has been modified AND file not hidden when abandoned
  " -or- Texplore used
  if a:dosplit || (&modified && &hidden == 0 && &bufhidden != "hide") || a:style == 6
    call s:SaveWinVars()
    let winsz= g:netrw_winsize
    if a:indx > 0
      let winsz= a:indx
    endif

    if a:style == 0      " Explore, Sexplore
      let winsz= (winsz > 0)? (winsz*winheight(0))/100 : -winsz
      if winsz == 0|let winsz= ""|endif
      exe "noswapfile ".(g:netrw_alto ? "below " : "above ").winsz."wincmd s"

    elseif a:style == 1  " Explore!, Sexplore!
      let winsz= (winsz > 0)? (winsz*winwidth(0))/100 : -winsz
      if winsz == 0|let winsz= ""|endif
      exe "keepalt noswapfile ".(g:netrw_altv ? "rightbelow " : "leftabove ").winsz."wincmd v"

    elseif a:style == 2  " Hexplore
      let winsz= (winsz > 0)? (winsz*winheight(0))/100 : -winsz
      if winsz == 0|let winsz= ""|endif
      exe "keepalt noswapfile ".(g:netrw_alto ? "below " : "above ").winsz."wincmd s"

    elseif a:style == 3  " Hexplore!
      let winsz= (winsz > 0)? (winsz*winheight(0))/100 : -winsz
      if winsz == 0|let winsz= ""|endif
      exe "keepalt noswapfile ".(!g:netrw_alto ? "below " : "above ").winsz."wincmd s"

    elseif a:style == 4  " Vexplore
      let winsz= (winsz > 0)? (winsz*winwidth(0))/100 : -winsz
      if winsz == 0|let winsz= ""|endif
      exe "keepalt noswapfile ".(g:netrw_altv ? "rightbelow " : "leftabove ").winsz."wincmd v"

    elseif a:style == 5  " Vexplore!
      let winsz= (winsz > 0)? (winsz*winwidth(0))/100 : -winsz
      if winsz == 0|let winsz= ""|endif
      exe "keepalt noswapfile ".(!g:netrw_altv ? "rightbelow " : "leftabove ").winsz."wincmd v"

    elseif a:style == 6  " Texplore
      call s:SaveBufVars()
      exe "keepalt tabnew ".fnameescape(curdir)
      call s:RestoreBufVars()
    endif
    call s:RestoreWinVars()
  endif
  NetrwKeepj norm! 0

  if a:0 > 0
    if a:1 =~ '^\~' && (has("unix") || (exists("g:netrw_cygwin") && g:netrw_cygwin))
      let dirname= simplify(substitute(a:1,'\~',expand("$HOME"),''))
    elseif a:1 == '.'
      let dirname= simplify(exists("b:netrw_curdir")? b:netrw_curdir : getcwd())
      if dirname !~ '/$'
        let dirname= dirname."/"
      endif
    elseif a:1 =~ '\$'
      let dirname= simplify(expand(a:1))
    elseif a:1 !~ '^\*\{1,2}/' && a:1 !~ '^\a\{3,}://'
      let dirname= simplify(a:1)
    else
      let dirname= a:1
    endif
  else
    " clear explore
    call s:NetrwClearExplore()
    return
  endif

  if dirname =~ '\.\./\=$'
    let dirname= simplify(fnamemodify(dirname,':p:h'))
  elseif dirname =~ '\.\.' || dirname == '.'
    let dirname= simplify(fnamemodify(dirname,':p'))
  endif

  if dirname =~ '^\*//'
    " starpat=1: Explore *//pattern   (current directory only search for files containing pattern)
    let pattern= substitute(dirname,'^\*//\(.*\)$','\1','')
    let starpat= 1
    if &hls | let keepregslash= s:ExplorePatHls(pattern) | endif

  elseif dirname =~ '^\*\*//'
    " starpat=2: Explore **//pattern  (recursive descent search for files containing pattern)
    let pattern= substitute(dirname,'^\*\*//','','')
    let starpat= 2

  elseif dirname =~ '/\*\*/'
    " handle .../**/.../filepat
    let prefixdir= substitute(dirname,'^\(.\{-}\)\*\*.*$','\1','')
    if prefixdir =~ '^/' || (prefixdir =~ '^\a:/' && has("win32"))
      let b:netrw_curdir = prefixdir
    else
      let b:netrw_curdir= getcwd().'/'.prefixdir
    endif
    let dirname= substitute(dirname,'^.\{-}\(\*\*/.*\)$','\1','')
    let starpat= 4

  elseif dirname =~ '^\*/'
    " case starpat=3: Explore */filepat   (search in current directory for filenames matching filepat)
    let starpat= 3

  elseif dirname=~ '^\*\*/'
    " starpat=4: Explore **/filepat  (recursive descent search for filenames matching filepat)
    let starpat= 4

  else
    let starpat= 0
  endif

  if starpat == 0 && a:indx >= 0
    " [Explore Hexplore Vexplore Sexplore] [dirname]
    if dirname == ""
      let dirname= curfiledir
    endif
    if dirname =~# '^scp://' || dirname =~ '^ftp://'
      call netrw#Nread(2,dirname)
    else
      if dirname == ""
        let dirname= getcwd()
      elseif has("win32") && !g:netrw_cygwin
        " Windows : check for a drive specifier, or else for a remote share name ('\\Foo' or '//Foo',
        " depending on whether backslashes have been converted to forward slashes by earlier code).
        if dirname !~ '^[a-zA-Z]:' && dirname !~ '^\\\\\w\+' && dirname !~ '^//\w\+'
          let dirname= b:netrw_curdir."/".dirname
        endif
      elseif dirname !~ '^/'
        let dirname= b:netrw_curdir."/".dirname
      endif
      call netrw#LocalBrowseCheck(dirname)
    endif
    if exists("w:netrw_bannercnt")
      " done to handle P08-Ingelrest. :Explore will _Always_ go to the line just after the banner.
      " If one wants to return the same place in the netrw window, use :Rex instead.
      exe w:netrw_bannercnt
    endif


  " starpat=1: Explore *//pattern  (current directory only search for files containing pattern)
  " starpat=2: Explore **//pattern (recursive descent search for files containing pattern)
  " starpat=3: Explore */filepat   (search in current directory for filenames matching filepat)
  " starpat=4: Explore **/filepat  (recursive descent search for filenames matching filepat)
  elseif a:indx <= 0
    " Nexplore, Pexplore, Explore: handle starpat
    if !mapcheck("<s-up>","n") && !mapcheck("<s-down>","n") && exists("b:netrw_curdir")
      let s:didstarstar= 1
      nnoremap <buffer> <silent> <s-up>   :Pexplore<cr>
      nnoremap <buffer> <silent> <s-down> :Nexplore<cr>
    endif

    if has("path_extra")
      if !exists("w:netrw_explore_indx")
        let w:netrw_explore_indx= 0
      endif

      let indx = a:indx

      if indx == -1
        " Nexplore
        if !exists("w:netrw_explore_list") " sanity check
          NetrwKeepj call netrw#ErrorMsg(s:WARNING,"using Nexplore or <s-down> improperly; see help for netrw-starstar",40)
          if !has('nvim') && has("clipboard") && g:netrw_clipboard
            if @* != keepregstar | sil! let @* = keepregstar | endif
            if @+ != keepregplus | sil! let @+ = keepregplus | endif
          endif
          sil! let @/ = keepregslash
          return
        endif
        let indx= w:netrw_explore_indx
        if indx < 0                        | let indx= 0                           | endif
        if indx >= w:netrw_explore_listlen | let indx= w:netrw_explore_listlen - 1 | endif
        let curfile= w:netrw_explore_list[indx]
        while indx < w:netrw_explore_listlen && curfile == w:netrw_explore_list[indx]
          let indx= indx + 1
        endwhile
        if indx >= w:netrw_explore_listlen | let indx= w:netrw_explore_listlen - 1 | endif

      elseif indx == -2
        " Pexplore
        if !exists("w:netrw_explore_list") " sanity check
          NetrwKeepj call netrw#ErrorMsg(s:WARNING,"using Pexplore or <s-up> improperly; see help for netrw-starstar",41)
          if !has('nvim') && has("clipboard") && g:netrw_clipboard
            if @* != keepregstar | sil! let @* = keepregstar | endif
            if @+ != keepregplus | sil! let @+ = keepregplus | endif
          endif
          sil! let @/ = keepregslash
          return
        endif
        let indx= w:netrw_explore_indx
        if indx < 0                        | let indx= 0                           | endif
        if indx >= w:netrw_explore_listlen | let indx= w:netrw_explore_listlen - 1 | endif
        let curfile= w:netrw_explore_list[indx]
        while indx >= 0 && curfile == w:netrw_explore_list[indx]
          let indx= indx - 1
        endwhile
        if indx < 0                        | let indx= 0                           | endif

      else
        " Explore -- initialize
        " build list of files to Explore with Nexplore/Pexplore
        NetrwKeepj keepalt call s:NetrwClearExplore()
        let w:netrw_explore_indx= 0
        if !exists("b:netrw_curdir")
          let b:netrw_curdir= getcwd()
        endif

        " switch on starpat to build the w:netrw_explore_list of files
        if starpat == 1
          " starpat=1: Explore *//pattern  (current directory only search for files containing pattern)
          try
            exe "NetrwKeepj noautocmd vimgrep /".pattern."/gj ".fnameescape(b:netrw_curdir)."/*"
          catch /^Vim\%((\a\+)\)\=:E480/
            keepalt call netrw#ErrorMsg(s:WARNING,"no match with pattern<".pattern.">",76)
            return
          endtry
          let w:netrw_explore_list = s:NetrwExploreListUniq(map(getqflist(),'bufname(v:val.bufnr)'))
          if &hls | let keepregslash= s:ExplorePatHls(pattern) | endif

        elseif starpat == 2
          " starpat=2: Explore **//pattern (recursive descent search for files containing pattern)
          try
            exe "sil NetrwKeepj noautocmd keepalt vimgrep /".pattern."/gj "."**/*"
          catch /^Vim\%((\a\+)\)\=:E480/
            keepalt call netrw#ErrorMsg(s:WARNING,'no files matched pattern<'.pattern.'>',45)
            if &hls | let keepregslash= s:ExplorePatHls(pattern) | endif
            if !has('nvim') && has("clipboard") && g:netrw_clipboard
              if @* != keepregstar | sil! let @* = keepregstar | endif
              if @+ != keepregplus | sil! let @+ = keepregplus | endif
            endif
            sil! let @/ = keepregslash
            return
          endtry
          let s:netrw_curdir       = b:netrw_curdir
          let w:netrw_explore_list = getqflist()
          let w:netrw_explore_list = s:NetrwExploreListUniq(map(w:netrw_explore_list,'s:netrw_curdir."/".bufname(v:val.bufnr)'))
          if &hls | let keepregslash= s:ExplorePatHls(pattern) | endif

        elseif starpat == 3
          " starpat=3: Explore */filepat   (search in current directory for filenames matching filepat)
          let filepat= substitute(dirname,'^\*/','','')
          let filepat= substitute(filepat,'^[%#<]','\\&','')
          let w:netrw_explore_list= s:NetrwExploreListUniq(split(expand(b:netrw_curdir."/".filepat),'\n'))
          if &hls | let keepregslash= s:ExplorePatHls(filepat) | endif

        elseif starpat == 4
          " starpat=4: Explore **/filepat  (recursive descent search for filenames matching filepat)
          let w:netrw_explore_list= s:NetrwExploreListUniq(split(expand(b:netrw_curdir."/".dirname),'\n'))
          if &hls | let keepregslash= s:ExplorePatHls(dirname) | endif
        endif " switch on starpat to build w:netrw_explore_list

        let w:netrw_explore_listlen = len(w:netrw_explore_list)

        if w:netrw_explore_listlen == 0 || (w:netrw_explore_listlen == 1 && w:netrw_explore_list[0] =~ '\*\*\/')
          keepalt NetrwKeepj call netrw#ErrorMsg(s:WARNING,"no files matched",42)
          if !has('nvim') && has("clipboard") && g:netrw_clipboard
            if @* != keepregstar | sil! let @* = keepregstar | endif
            if @+ != keepregplus | sil! let @+ = keepregplus | endif
          endif
          sil! let @/ = keepregslash
          return
        endif
      endif  " if indx ... endif

      " NetrwStatusLine support - for exploring support
      let w:netrw_explore_indx= indx

      " wrap the indx around, but issue a note
      if indx >= w:netrw_explore_listlen || indx < 0
        let indx                = (indx < 0)? ( w:netrw_explore_listlen - 1 ) : 0
        let w:netrw_explore_indx= indx
        keepalt NetrwKeepj call netrw#ErrorMsg(s:NOTE,"no more files match Explore pattern",43)
      endif

      exe "let dirfile= w:netrw_explore_list[".indx."]"
      let newdir= substitute(dirfile,'/[^/]*$','','e')

      call netrw#LocalBrowseCheck(newdir)
      if !exists("w:netrw_liststyle")
        let w:netrw_liststyle= g:netrw_liststyle
      endif
      if w:netrw_liststyle == s:THINLIST || w:netrw_liststyle == s:LONGLIST
        keepalt NetrwKeepj call search('^'.substitute(dirfile,"^.*/","","").'\>',"W")
      else
        keepalt NetrwKeepj call search('\<'.substitute(dirfile,"^.*/","","").'\>',"w")
      endif
      let w:netrw_explore_mtchcnt = indx + 1
      let w:netrw_explore_bufnr   = bufnr("%")
      let w:netrw_explore_line    = line(".")
      keepalt NetrwKeepj call s:SetupNetrwStatusLine('%f %h%m%r%=%9*%{NetrwStatusLine()}')

    else
      if !exists("g:netrw_quiet")
        keepalt NetrwKeepj call netrw#ErrorMsg(s:WARNING,"your vim needs the +path_extra feature for Exploring with **!",44)
      endif
      if !has('nvim') && has("clipboard") && g:netrw_clipboard
        if @* != keepregstar | sil! let @* = keepregstar | endif
        if @+ != keepregplus | sil! let @+ = keepregplus | endif
      endif
      sil! let @/ = keepregslash
      return
    endif

  else
    if exists("w:netrw_liststyle") && w:netrw_liststyle == s:TREELIST && dirname =~ '/'
      sil! unlet w:netrw_treedict
      sil! unlet w:netrw_treetop
    endif
    let newdir= dirname
    if !exists("b:netrw_curdir")
      NetrwKeepj call netrw#LocalBrowseCheck(getcwd())
    else
      NetrwKeepj call netrw#LocalBrowseCheck(s:NetrwBrowseChgDir(1,newdir,0))
    endif
  endif

  " visual display of **/ **// */ Exploration files
  if exists("w:netrw_explore_indx") && exists("b:netrw_curdir")
    if !exists("s:explore_prvdir") || s:explore_prvdir != b:netrw_curdir
      " only update match list when current directory isn't the same as before
      let s:explore_prvdir = b:netrw_curdir
      let s:explore_match  = ""
      let dirlen           = strlen(b:netrw_curdir)
      if b:netrw_curdir !~ '/$'
        let dirlen= dirlen + 1
      endif
      let prvfname= ""
      for fname in w:netrw_explore_list
        if fname =~ '^'.b:netrw_curdir
          if s:explore_match == ""
            let s:explore_match= '\<'.escape(strpart(fname,dirlen),g:netrw_markfileesc).'\>'
          else
            let s:explore_match= s:explore_match.'\|\<'.escape(strpart(fname,dirlen),g:netrw_markfileesc).'\>'
          endif
        elseif fname !~ '^/' && fname != prvfname
          if s:explore_match == ""
            let s:explore_match= '\<'.escape(fname,g:netrw_markfileesc).'\>'
          else
            let s:explore_match= s:explore_match.'\|\<'.escape(fname,g:netrw_markfileesc).'\>'
          endif
        endif
        let prvfname= fname
      endfor
      if has("syntax") && exists("g:syntax_on") && g:syntax_on
        exe "2match netrwMarkFile /".s:explore_match."/"
      endif
    endif
    echo "<s-up>==Pexplore  <s-down>==Nexplore"
  else
    2match none
    if exists("s:explore_match")  | unlet s:explore_match  | endif
    if exists("s:explore_prvdir") | unlet s:explore_prvdir | endif
  endif

  " since Explore may be used to initialize netrw's browser,
  " there's no danger of a late FocusGained event on initialization.
  " Consequently, set s:netrw_events to 2.
  let s:netrw_events= 2
  if !has('nvim') && has("clipboard") && g:netrw_clipboard
    if @* != keepregstar | sil! let @* = keepregstar | endif
    if @+ != keepregplus | sil! let @+ = keepregplus | endif
  endif
  sil! let @/ = keepregslash
endfun

" ---------------------------------------------------------------------
" netrw#Lexplore: toggle Explorer window, keeping it on the left of the current tab {{{2
"   Uses  g:netrw_chgwin  : specifies the window where Lexplore files are to be opened
"         t:netrw_lexposn : winsaveview() output (used on Lexplore window)
"         t:netrw_lexbufnr: the buffer number of the Lexplore buffer  (internal to this function)
"         s:lexplore_win  : window number of Lexplore window (serves to indicate which window is a Lexplore window)
"         w:lexplore_buf  : buffer number of Lexplore window (serves to indicate which window is a Lexplore window)
fun! netrw#Lexplore(count,rightside,...)
  "  call Dfunc("netrw#Lexplore(count=".a:count." rightside=".a:rightside.",...) a:0=".a:0." ft=".&ft)
  let curwin= winnr()

  if a:0 > 0 && a:1 != ""
    " if a netrw window is already on the left-side of the tab
    " and a directory has been specified, explore with that
    " directory.
    let a1 = expand(a:1)
    exe "1wincmd w"
    if &ft == "netrw"
      exe "Explore ".fnameescape(a1)
      exe curwin."wincmd w"
      let s:lexplore_win= curwin
      let w:lexplore_buf= bufnr("%")
      if exists("t:netrw_lexposn")
        unlet t:netrw_lexposn
      endif
      return
    endif
    exe curwin."wincmd w"
  else
    let a1= ""
  endif

  if exists("t:netrw_lexbufnr")
    " check if t:netrw_lexbufnr refers to a netrw window
    let lexwinnr = bufwinnr(t:netrw_lexbufnr)
  else
    let lexwinnr= 0
  endif

  if lexwinnr > 0
    " close down netrw explorer window
    exe lexwinnr."wincmd w"
    let g:netrw_winsize = -winwidth(0)
    let t:netrw_lexposn = winsaveview()
    close
    if lexwinnr < curwin
      let curwin= curwin - 1
    endif
    if lexwinnr != curwin
      exe curwin."wincmd w"
    endif
    unlet t:netrw_lexbufnr

  else
    " open netrw explorer window
    exe "1wincmd w"
    let keep_altv    = g:netrw_altv
    let g:netrw_altv = 0
    if a:count != 0
      let netrw_winsize   = g:netrw_winsize
      let g:netrw_winsize = a:count
    endif
    let curfile= expand("%")
    exe (a:rightside? "botright" : "topleft")." vertical ".((g:netrw_winsize > 0)? (g:netrw_winsize*winwidth(0))/100 : -g:netrw_winsize) . " new"
    if a:0 > 0 && a1 != ""
      call netrw#Explore(0,0,0,a1)
      exe "Explore ".fnameescape(a1)
    elseif curfile =~ '^\a\{3,}://'
      call netrw#Explore(0,0,0,substitute(curfile,'[^/\\]*$','',''))
    else
      call netrw#Explore(0,0,0,".")
    endif
    if a:count != 0
      let g:netrw_winsize = netrw_winsize
    endif
    setlocal winfixwidth
    let g:netrw_altv     = keep_altv
    let t:netrw_lexbufnr = bufnr("%")
    " done to prevent build-up of hidden buffers due to quitting and re-invocation of :Lexplore.
    " Since the intended use of :Lexplore is to have an always-present explorer window, the extra
    " effort to prevent mis-use of :Lex is warranted.
    set bh=wipe
    if exists("t:netrw_lexposn")
      call winrestview(t:netrw_lexposn)
      unlet t:netrw_lexposn
    endif
  endif

  " set up default window for editing via <cr>
  if exists("g:netrw_chgwin") && g:netrw_chgwin == -1
    if a:rightside
      let g:netrw_chgwin= 1
    else
      let g:netrw_chgwin= 2
    endif
  endif

endfun

" ---------------------------------------------------------------------
" netrw#Clean: remove netrw {{{2
" supports :NetrwClean  -- remove netrw from first directory on runtimepath
"          :NetrwClean! -- remove netrw from all directories on runtimepath
fun! netrw#Clean(sys)
  "  call Dfunc("netrw#Clean(sys=".a:sys.")")

  if a:sys
    let choice= confirm("Remove personal and system copies of netrw?","&Yes\n&No")
  else
    let choice= confirm("Remove personal copy of netrw?","&Yes\n&No")
  endif
  "  call Decho("choice=".choice,'~'.expand("<slnum>"))
  let diddel= 0
  let diddir= ""

  if choice == 1
    for dir in split(&rtp,',')
      if filereadable(dir."/plugin/netrwPlugin.vim")
        "     call Decho("removing netrw-related files from ".dir,'~'.expand("<slnum>"))
        if s:NetrwDelete(dir."/plugin/netrwPlugin.vim")        |call netrw#ErrorMsg(1,"unable to remove ".dir."/plugin/netrwPlugin.vim",55)        |endif
        if s:NetrwDelete(dir."/autoload/netrwFileHandlers.vim")|call netrw#ErrorMsg(1,"unable to remove ".dir."/autoload/netrwFileHandlers.vim",55)|endif
        if s:NetrwDelete(dir."/autoload/netrwSettings.vim")    |call netrw#ErrorMsg(1,"unable to remove ".dir."/autoload/netrwSettings.vim",55)    |endif
        if s:NetrwDelete(dir."/autoload/netrw.vim")            |call netrw#ErrorMsg(1,"unable to remove ".dir."/autoload/netrw.vim",55)            |endif
        if s:NetrwDelete(dir."/syntax/netrw.vim")              |call netrw#ErrorMsg(1,"unable to remove ".dir."/syntax/netrw.vim",55)              |endif
        if s:NetrwDelete(dir."/syntax/netrwlist.vim")          |call netrw#ErrorMsg(1,"unable to remove ".dir."/syntax/netrwlist.vim",55)          |endif
        let diddir= dir
        let diddel= diddel + 1
        if !a:sys|break|endif
      endif
    endfor
  endif

  echohl WarningMsg
  if diddel == 0
    echomsg "netrw is either not installed or not removable"
  elseif diddel == 1
    echomsg "removed one copy of netrw from <".diddir.">"
  else
    echomsg "removed ".diddel." copies of netrw"
  endif
  echohl None

  "  call Dret("netrw#Clean")
endfun

" ---------------------------------------------------------------------
" netrw#MakeTgt: make a target out of the directory name provided {{{2
fun! netrw#MakeTgt(dname)
  "  call Dfunc("netrw#MakeTgt(dname<".a:dname.">)")
  " simplify the target (eg. /abc/def/../ghi -> /abc/ghi)
  let svpos               = winsaveview()
  "  call Decho("saving posn to svpos<".string(svpos).">",'~'.expand("<slnum>"))
  let s:netrwmftgt_islocal= (a:dname !~ '^\a\{3,}://')
  "  call Decho("s:netrwmftgt_islocal=".s:netrwmftgt_islocal,'~'.expand("<slnum>"))
  if s:netrwmftgt_islocal
    let netrwmftgt= simplify(a:dname)
  else
    let netrwmftgt= a:dname
  endif
  if exists("s:netrwmftgt") && netrwmftgt == s:netrwmftgt
    " re-selected target, so just clear it
    unlet s:netrwmftgt s:netrwmftgt_islocal
  else
    let s:netrwmftgt= netrwmftgt
  endif
  if g:netrw_fastbrowse <= 1
    call s:NetrwRefresh((b:netrw_curdir !~ '\a\{3,}://'),b:netrw_curdir)
  endif
  "  call Decho("restoring posn to svpos<".string(svpos).">",'~'.expand("<slnum>"))"
  call winrestview(svpos)
  "  call Dret("netrw#MakeTgt")
endfun

" ---------------------------------------------------------------------
" netrw#Obtain: {{{2
"   netrw#Obtain(islocal,fname[,tgtdirectory])
"     islocal=0  obtain from remote source
"            =1  obtain from local source
"     fname  :   a filename or a list of filenames
"     tgtdir :   optional place where files are to go  (not present, uses getcwd())
fun! netrw#Obtain(islocal,fname,...)
  "  call Dfunc("netrw#Obtain(islocal=".a:islocal." fname<".((type(a:fname) == 1)? a:fname : string(a:fname)).">) a:0=".a:0)
  " NetrwStatusLine support - for obtaining support

  if type(a:fname) == 1
    let fnamelist= [ a:fname ]
  elseif type(a:fname) == 3
    let fnamelist= a:fname
  else
    call netrw#ErrorMsg(s:ERROR,"attempting to use NetrwObtain on something not a filename or a list",62)
    "   call Dret("netrw#Obtain")
    return
  endif
  "  call Decho("fnamelist<".string(fnamelist).">",'~'.expand("<slnum>"))
  if a:0 > 0
    let tgtdir= a:1
  else
    let tgtdir= getcwd()
  endif
  "  call Decho("tgtdir<".tgtdir.">",'~'.expand("<slnum>"))

  if exists("b:netrw_islocal") && b:netrw_islocal
    " obtain a file from local b:netrw_curdir to (local) tgtdir
    "   call Decho("obtain a file from local ".b:netrw_curdir." to ".tgtdir,'~'.expand("<slnum>"))
    if exists("b:netrw_curdir") && getcwd() != b:netrw_curdir
      let topath= s:ComposePath(tgtdir,"")
      if has("win32")
        " transfer files one at time
        "     call Decho("transfer files one at a time",'~'.expand("<slnum>"))
        for fname in fnamelist
          "      call Decho("system(".g:netrw_localcopycmd." ".s:ShellEscape(fname)." ".s:ShellEscape(topath).")",'~'.expand("<slnum>"))
          call system(g:netrw_localcopycmd.g:netrw_localcopycmdopt." ".s:ShellEscape(fname)." ".s:ShellEscape(topath))
          if v:shell_error != 0
            call netrw#ErrorMsg(s:WARNING,"consider setting g:netrw_localcopycmd<".g:netrw_localcopycmd."> to something that works",80)
            "       call Dret("s:NetrwObtain 0 : failed: ".g:netrw_localcopycmd." ".s:ShellEscape(fname)." ".s:ShellEscape(topath))
            return
          endif
        endfor
      else
        " transfer files with one command
        "     call Decho("transfer files with one command",'~'.expand("<slnum>"))
        let filelist= join(map(deepcopy(fnamelist),"s:ShellEscape(v:val)"))
        "     call Decho("system(".g:netrw_localcopycmd." ".filelist." ".s:ShellEscape(topath).")",'~'.expand("<slnum>"))
        call system(g:netrw_localcopycmd.g:netrw_localcopycmdopt." ".filelist." ".s:ShellEscape(topath))
        if v:shell_error != 0
          call netrw#ErrorMsg(s:WARNING,"consider setting g:netrw_localcopycmd<".g:netrw_localcopycmd."> to something that works",80)
          "      call Dret("s:NetrwObtain 0 : failed: ".g:netrw_localcopycmd." ".filelist." ".s:ShellEscape(topath))
          return
        endif
      endif
    elseif !exists("b:netrw_curdir")
      call netrw#ErrorMsg(s:ERROR,"local browsing directory doesn't exist!",36)
    else
      call netrw#ErrorMsg(s:WARNING,"local browsing directory and current directory are identical",37)
    endif

  else
    " obtain files from remote b:netrw_curdir to local tgtdir
    "   call Decho("obtain a file from remote ".b:netrw_curdir." to ".tgtdir,'~'.expand("<slnum>"))
    if type(a:fname) == 1
      call s:SetupNetrwStatusLine('%f %h%m%r%=%9*Obtaining '.a:fname)
    endif
    call s:NetrwMethod(b:netrw_curdir)

    if b:netrw_method == 4
      " obtain file using scp
      "    call Decho("obtain via scp (method#4)",'~'.expand("<slnum>"))
      if exists("g:netrw_port") && g:netrw_port != ""
        let useport= " ".g:netrw_scpport." ".g:netrw_port
      else
        let useport= ""
      endif
      if b:netrw_fname =~ '/'
        let path= substitute(b:netrw_fname,'^\(.*/\).\{-}$','\1','')
      else
        let path= ""
      endif
      let filelist= join(map(deepcopy(fnamelist),'escape(s:ShellEscape(g:netrw_machine.":".path.v:val,1)," ")'))
      call s:NetrwExe(s:netrw_silentxfer."!".g:netrw_scp_cmd.s:ShellEscape(useport,1)." ".filelist." ".s:ShellEscape(tgtdir,1))

    elseif b:netrw_method == 2
      " obtain file using ftp + .netrc
      "     call Decho("obtain via ftp+.netrc (method #2)",'~'.expand("<slnum>"))
      call s:SaveBufVars()|sil NetrwKeepj new|call s:RestoreBufVars()
      let tmpbufnr= bufnr("%")
      setl ff=unix
      if exists("g:netrw_ftpmode") && g:netrw_ftpmode != ""
        NetrwKeepj put =g:netrw_ftpmode
        "      call Decho("filter input: ".getline('$'),'~'.expand("<slnum>"))
      endif

      if exists("b:netrw_fname") && b:netrw_fname != ""
        call setline(line("$")+1,'cd "'.b:netrw_fname.'"')
        "      call Decho("filter input: ".getline('$'),'~'.expand("<slnum>"))
      endif

      if exists("g:netrw_ftpextracmd")
        NetrwKeepj put =g:netrw_ftpextracmd
        "      call Decho("filter input: ".getline('$'),'~'.expand("<slnum>"))
      endif
      for fname in fnamelist
        call setline(line("$")+1,'get "'.fname.'"')
        "      call Decho("filter input: ".getline('$'),'~'.expand("<slnum>"))
      endfor
      if exists("g:netrw_port") && g:netrw_port != ""
        call s:NetrwExe(s:netrw_silentxfer."%!".s:netrw_ftp_cmd." -i ".s:ShellEscape(g:netrw_machine,1)." ".s:ShellEscape(g:netrw_port,1))
      else
        call s:NetrwExe(s:netrw_silentxfer."%!".s:netrw_ftp_cmd." -i ".s:ShellEscape(g:netrw_machine,1))
      endif
      " If the result of the ftp operation isn't blank, show an error message (tnx to Doug Claar)
      if getline(1) !~ "^$" && !exists("g:netrw_quiet") && getline(1) !~ '^Trying '
        let debugkeep= &debug
        setl debug=msg
        call netrw#ErrorMsg(s:ERROR,getline(1),4)
        let &debug= debugkeep
      endif

    elseif b:netrw_method == 3
      " obtain with ftp + machine, id, passwd, and fname (ie. no .netrc)
      "    call Decho("obtain via ftp+mipf (method #3)",'~'.expand("<slnum>"))
      call s:SaveBufVars()|sil NetrwKeepj new|call s:RestoreBufVars()
      let tmpbufnr= bufnr("%")
      setl ff=unix

      if exists("g:netrw_port") && g:netrw_port != ""
        NetrwKeepj put ='open '.g:netrw_machine.' '.g:netrw_port
      "     call Decho("filter input: ".getline('$'),'~'.expand("<slnum>"))
      else
        NetrwKeepj put ='open '.g:netrw_machine
        "     call Decho("filter input: ".getline('$'),'~'.expand("<slnum>"))
      endif

      if exists("g:netrw_uid") && g:netrw_uid != ""
        if exists("g:netrw_ftp") && g:netrw_ftp == 1
          NetrwKeepj put =g:netrw_uid
          "      call Decho("filter input: ".getline('$'),'~'.expand("<slnum>"))
          if exists("s:netrw_passwd") && s:netrw_passwd != ""
            NetrwKeepj put ='\"'.s:netrw_passwd.'\"'
          endif
        "      call Decho("filter input: ".getline('$'),'~'.expand("<slnum>"))
        elseif exists("s:netrw_passwd")
          NetrwKeepj put ='user \"'.g:netrw_uid.'\" \"'.s:netrw_passwd.'\"'
          "      call Decho("filter input: ".getline('$'),'~'.expand("<slnum>"))
        endif
      endif

      if exists("g:netrw_ftpmode") && g:netrw_ftpmode != ""
        NetrwKeepj put =g:netrw_ftpmode
        "     call Decho("filter input: ".getline('$'),'~'.expand("<slnum>"))
      endif

      if exists("b:netrw_fname") && b:netrw_fname != ""
        NetrwKeepj call setline(line("$")+1,'cd "'.b:netrw_fname.'"')
        "     call Decho("filter input: ".getline('$'),'~'.expand("<slnum>"))
      endif

      if exists("g:netrw_ftpextracmd")
        NetrwKeepj put =g:netrw_ftpextracmd
        "     call Decho("filter input: ".getline('$'),'~'.expand("<slnum>"))
      endif

      if exists("g:netrw_ftpextracmd")
        NetrwKeepj put =g:netrw_ftpextracmd
        "     call Decho("filter input: ".getline('$'),'~'.expand("<slnum>"))
      endif
      for fname in fnamelist
        NetrwKeepj call setline(line("$")+1,'get "'.fname.'"')
      endfor
      "    call Decho("filter input: ".getline('$'),'~'.expand("<slnum>"))

      " perform ftp:
      " -i       : turns off interactive prompting from ftp
      " -n  unix : DON'T use <.netrc>, even though it exists
      " -n  win32: quit being obnoxious about password
      "  Note: using "_dd to delete to the black hole register; avoids messing up @@
      NetrwKeepj norm! 1G"_dd
      call s:NetrwExe(s:netrw_silentxfer."%!".s:netrw_ftp_cmd." ".g:netrw_ftp_options)
      " If the result of the ftp operation isn't blank, show an error message (tnx to Doug Claar)
      if getline(1) !~ "^$"
        "     call Decho("error<".getline(1).">",'~'.expand("<slnum>"))
        if !exists("g:netrw_quiet")
          NetrwKeepj call netrw#ErrorMsg(s:ERROR,getline(1),5)
        endif
      endif

    elseif b:netrw_method == 9
      " obtain file using sftp
      "    call Decho("obtain via sftp (method #9)",'~'.expand("<slnum>"))
      if a:fname =~ '/'
        let localfile= substitute(a:fname,'^.*/','','')
      else
        let localfile= a:fname
      endif
      call s:NetrwExe(s:netrw_silentxfer."!".g:netrw_sftp_cmd." ".s:ShellEscape(g:netrw_machine.":".b:netrw_fname,1).s:ShellEscape(localfile)." ".s:ShellEscape(tgtdir))

    elseif !exists("b:netrw_method") || b:netrw_method < 0
      " probably a badly formed url; protocol not recognized
      "    call Dret("netrw#Obtain : unsupported method")
      return

    else
      " protocol recognized but not supported for Obtain (yet?)
      if !exists("g:netrw_quiet")
        NetrwKeepj call netrw#ErrorMsg(s:ERROR,"current protocol not supported for obtaining file",97)
      endif
      "    call Dret("netrw#Obtain : current protocol not supported for obtaining file")
      return
    endif

    " restore status line
    if type(a:fname) == 1 && exists("s:netrw_users_stl")
      NetrwKeepj call s:SetupNetrwStatusLine(s:netrw_users_stl)
    endif

  endif

  " cleanup
  if exists("tmpbufnr")
    if bufnr("%") != tmpbufnr
      exe tmpbufnr."bw!"
    else
      q!
    endif
  endif

  "  call Dret("netrw#Obtain")
endfun

" ---------------------------------------------------------------------
" netrw#Nread: save position, call netrw#NetRead(), and restore position {{{2
fun! netrw#Nread(mode,fname)
  "  call Dfunc("netrw#Nread(mode=".a:mode." fname<".a:fname.">)")
  let svpos= winsaveview()
  "  call Decho("saving posn to svpos<".string(svpos).">",'~'.expand("<slnum>"))
  call netrw#NetRead(a:mode,a:fname)
  "  call Decho("restoring posn to svpos<".string(svpos).">",'~'.expand("<slnum>"))
  call winrestview(svpos)

  if exists("w:netrw_liststyle") && w:netrw_liststyle != s:TREELIST
    if exists("w:netrw_bannercnt")
      " start with cursor just after the banner
      exe w:netrw_bannercnt
    endif
  endif
  "  call Dret("netrw#Nread")
endfun

" ------------------------------------------------------------------------
" s:NetrwOptionsSave: save options prior to setting to "netrw-buffer-standard" form {{{2
"             Options get restored by s:NetrwOptionsRestore()
"
"             Option handling:
"              * save user's options                                     (s:NetrwOptionsSave)
"              * set netrw-safe options                                  (s:NetrwOptionsSafe)
"                - change an option only when user option != safe option (s:netrwSetSafeSetting)
"              * restore user's options                                  (s:netrwOPtionsRestore)
"                - restore a user option when != safe option             (s:NetrwRestoreSetting)
"             vt: (variable type) normally its either "w:" or "s:"
fun! s:NetrwOptionsSave(vt)
  "  call Dfunc("s:NetrwOptionsSave(vt<".a:vt.">) win#".winnr()." buf#".bufnr("%")."<".bufname(bufnr("%")).">"." winnr($)=".winnr("$")." mod=".&mod." ma=".&ma)
  "  call Decho(a:vt."netrw_optionsave".(exists("{a:vt}netrw_optionsave")? ("=".{a:vt}netrw_optionsave) : " doesn't exist"),'~'.expand("<slnum>"))
  "  call Decho("settings buf#".bufnr("%")."<".bufname("%").">: ".((&l:ma == 0)? "no" : "")."ma ".((&l:mod == 0)? "no" : "")."mod ".((&l:bl == 0)? "no" : "")."bl ".((&l:ro == 0)? "no" : "")."ro fo=".&l:fo." a:vt=".a:vt." hid=".&hid,'~'.expand("<slnum>"))
  "  call Decho("(s:NetrwOptionsSave) lines=".&lines)

  if !exists("{a:vt}netrw_optionsave")
    let {a:vt}netrw_optionsave= 1
  else
    "   call Dret("s:NetrwOptionsSave : options already saved")
    return
  endif
  "  call Decho("prior to save: fo=".&fo.(exists("+acd")? " acd=".&acd : " acd doesn't exist")." diff=".&l:diff,'~'.expand("<slnum>"))

  " Save current settings and current directory
  "  call Decho("saving current settings and current directory",'~'.expand("<slnum>"))
  let s:yykeep          = @@
  if exists("&l:acd")|let {a:vt}netrw_acdkeep  = &l:acd|endif
  let {a:vt}netrw_aikeep    = &l:ai
  let {a:vt}netrw_awkeep    = &l:aw
  let {a:vt}netrw_bhkeep    = &l:bh
  let {a:vt}netrw_blkeep    = &l:bl
  let {a:vt}netrw_btkeep    = &l:bt
  let {a:vt}netrw_bombkeep  = &l:bomb
  let {a:vt}netrw_cedit     = &cedit
  let {a:vt}netrw_cikeep    = &l:ci
  let {a:vt}netrw_cinkeep   = &l:cin
  let {a:vt}netrw_cinokeep  = &l:cino
  let {a:vt}netrw_comkeep   = &l:com
  let {a:vt}netrw_cpokeep   = &l:cpo
  let {a:vt}netrw_cuckeep   = &l:cuc
  let {a:vt}netrw_culkeep   = &l:cul
  "  call Decho("(s:NetrwOptionsSave) COMBAK: cuc=".&l:cuc." cul=".&l:cul)
  let {a:vt}netrw_diffkeep  = &l:diff
  let {a:vt}netrw_fenkeep   = &l:fen
  if !exists("g:netrw_ffkeep") || g:netrw_ffkeep
    let {a:vt}netrw_ffkeep    = &l:ff
  endif
  let {a:vt}netrw_fokeep    = &l:fo           " formatoptions
  let {a:vt}netrw_gdkeep    = &l:gd           " gdefault
  let {a:vt}netrw_gokeep    = &go             " guioptions
  let {a:vt}netrw_hidkeep   = &l:hidden
  let {a:vt}netrw_imkeep    = &l:im
  let {a:vt}netrw_iskkeep   = &l:isk
  let {a:vt}netrw_lines     = &lines
  let {a:vt}netrw_lskeep    = &l:ls
  let {a:vt}netrw_makeep    = &l:ma
  let {a:vt}netrw_magickeep = &l:magic
  let {a:vt}netrw_modkeep   = &l:mod
  let {a:vt}netrw_nukeep    = &l:nu
  let {a:vt}netrw_rnukeep   = &l:rnu
  let {a:vt}netrw_repkeep   = &l:report
  let {a:vt}netrw_rokeep    = &l:ro
  let {a:vt}netrw_selkeep   = &l:sel
  let {a:vt}netrw_spellkeep = &l:spell
  if !g:netrw_use_noswf
    let {a:vt}netrw_swfkeep  = &l:swf
  endif
  let {a:vt}netrw_tskeep    = &l:ts
  let {a:vt}netrw_twkeep    = &l:tw           " textwidth
  let {a:vt}netrw_wigkeep   = &l:wig          " wildignore
  let {a:vt}netrw_wrapkeep  = &l:wrap
  let {a:vt}netrw_writekeep = &l:write

  " save a few selected netrw-related variables
  "  call Decho("saving a few selected netrw-related variables",'~'.expand("<slnum>"))
  if g:netrw_keepdir
    let {a:vt}netrw_dirkeep  = getcwd()
    "   call Decho("saving to ".a:vt."netrw_dirkeep<".{a:vt}netrw_dirkeep.">",'~'.expand("<slnum>"))
  endif
  if !has('nvim') && has("clipboard") && g:netrw_clipboard
    sil! let {a:vt}netrw_starkeep = @*
    sil! let {a:vt}netrw_pluskeep = @+
  endif
  sil! let {a:vt}netrw_slashkeep= @/

  "  call Decho("(s:NetrwOptionsSave) lines=".&lines)
  "  call Decho("settings buf#".bufnr("%")."<".bufname("%").">: ".((&l:ma == 0)? "no" : "")."ma ".((&l:mod == 0)? "no" : "")."mod ".((&l:bl == 0)? "no" : "")."bl ".((&l:ro == 0)? "no" : "")."ro fo=".&l:fo." a:vt=".a:vt,'~'.expand("<slnum>"))
  "  call Dret("s:NetrwOptionsSave : tab#".tabpagenr()." win#".winnr())
endfun

" ---------------------------------------------------------------------
" s:NetrwOptionsSafe: sets options to help netrw do its job {{{2
"                     Use  s:NetrwSaveOptions() to save user settings
"                     Use  s:NetrwOptionsRestore() to restore user settings
fun! s:NetrwOptionsSafe(islocal)
  "  call Dfunc("s:NetrwOptionsSafe(islocal=".a:islocal.") win#".winnr()." buf#".bufnr("%")."<".bufname(bufnr("%"))."> winnr($)=".winnr("$"))
  "  call Decho("win#".winnr()."'s ft=".&ft,'~'.expand("<slnum>"))
  "  call Decho("settings buf#".bufnr("%")."<".bufname("%").">: ".((&l:ma == 0)? "no" : "")."ma ".((&l:mod == 0)? "no" : "")."mod ".((&l:bl == 0)? "no" : "")."bl ".((&l:ro == 0)? "no" : "")."ro fo=".&l:fo,'~'.expand("<slnum>"))
  if exists("+acd") | call s:NetrwSetSafeSetting("&l:acd",0)|endif
  call s:NetrwSetSafeSetting("&l:ai",0)
  call s:NetrwSetSafeSetting("&l:aw",0)
  call s:NetrwSetSafeSetting("&l:bl",0)
  call s:NetrwSetSafeSetting("&l:bomb",0)
  if a:islocal
    call s:NetrwSetSafeSetting("&l:bt","nofile")
  else
    call s:NetrwSetSafeSetting("&l:bt","acwrite")
  endif
  call s:NetrwSetSafeSetting("&l:ci",0)
  call s:NetrwSetSafeSetting("&l:cin",0)
  if g:netrw_fastbrowse > a:islocal
    call s:NetrwSetSafeSetting("&l:bh","hide")
  else
    call s:NetrwSetSafeSetting("&l:bh","delete")
  endif
  call s:NetrwSetSafeSetting("&l:cino","")
  call s:NetrwSetSafeSetting("&l:com","")
  if &cpo =~ 'a' | call s:NetrwSetSafeSetting("&cpo",substitute(&cpo,'a','','g')) | endif
  if &cpo =~ 'A' | call s:NetrwSetSafeSetting("&cpo",substitute(&cpo,'A','','g')) | endif
  setl fo=nroql2
  if &go =~ 'a' | set go-=a | endif
  if &go =~ 'A' | set go-=A | endif
  if &go =~ 'P' | set go-=P | endif
  call s:NetrwSetSafeSetting("&l:hid",0)
  call s:NetrwSetSafeSetting("&l:im",0)
  setl isk+=@ isk+=* isk+=/
  call s:NetrwSetSafeSetting("&l:magic",1)
  if g:netrw_use_noswf
    call s:NetrwSetSafeSetting("swf",0)
  endif
  call s:NetrwSetSafeSetting("&l:report",10000)
  call s:NetrwSetSafeSetting("&l:sel","inclusive")
  call s:NetrwSetSafeSetting("&l:spell",0)
  call s:NetrwSetSafeSetting("&l:tw",0)
  call s:NetrwSetSafeSetting("&l:wig","")
  setl cedit&

  " set up cuc and cul based on g:netrw_cursor and listing style
  " COMBAK -- cuc cul related
  call s:NetrwCursor(0)

  " allow the user to override safe options
  "  call Decho("ft<".&ft."> ei=".&ei,'~'.expand("<slnum>"))
  if &ft == "netrw"
    "   call Decho("do any netrw FileType autocmds (doau FileType netrw)",'~'.expand("<slnum>"))
    keepalt NetrwKeepj doau FileType netrw
  endif

  "  call Decho("fo=".&fo.(exists("+acd")? " acd=".&acd : " acd doesn't exist")." bh=".&l:bh." bt<".&bt.">",'~'.expand("<slnum>"))
  "  call Decho("settings buf#".bufnr("%")."<".bufname("%").">: ".((&l:ma == 0)? "no" : "")."ma ".((&l:mod == 0)? "no" : "")."mod ".((&l:bl == 0)? "no" : "")."bl ".((&l:ro == 0)? "no" : "")."ro fo=".&l:fo,'~'.expand("<slnum>"))
  "  call Dret("s:NetrwOptionsSafe")
endfun

" ---------------------------------------------------------------------
" s:NetrwOptionsRestore: restore options (based on prior s:NetrwOptionsSave) {{{2
fun! s:NetrwOptionsRestore(vt)
  if !exists("{a:vt}netrw_optionsave")
    " filereadable() returns zero for remote files (e.g. scp://user@localhost//etc/fstab)
    " Note: @ may not be in 'isfname', so '^\w\+://\f\+/' may not match
    if filereadable(expand("%")) || expand("%") =~# '^\w\+://\f\+'
      filetype detect
    else
      setl ft=netrw
    endif
    return
  endif
  unlet {a:vt}netrw_optionsave

  if exists("+acd")
    if exists("{a:vt}netrw_acdkeep")
      let curdir = getcwd()
      let &l:acd = {a:vt}netrw_acdkeep
      unlet {a:vt}netrw_acdkeep
      if &l:acd
        call s:NetrwLcd(curdir)
      endif
    endif
  endif
  call s:NetrwRestoreSetting(a:vt."netrw_aikeep","&l:ai")
  call s:NetrwRestoreSetting(a:vt."netrw_awkeep","&l:aw")
  call s:NetrwRestoreSetting(a:vt."netrw_blkeep","&l:bl")
  call s:NetrwRestoreSetting(a:vt."netrw_btkeep","&l:bt")
  call s:NetrwRestoreSetting(a:vt."netrw_bombkeep","&l:bomb")
  call s:NetrwRestoreSetting(a:vt."netrw_cedit","&cedit")
  call s:NetrwRestoreSetting(a:vt."netrw_cikeep","&l:ci")
  call s:NetrwRestoreSetting(a:vt."netrw_cinkeep","&l:cin")
  call s:NetrwRestoreSetting(a:vt."netrw_cinokeep","&l:cino")
  call s:NetrwRestoreSetting(a:vt."netrw_comkeep","&l:com")
  call s:NetrwRestoreSetting(a:vt."netrw_cpokeep","&l:cpo")
  call s:NetrwRestoreSetting(a:vt."netrw_diffkeep","&l:diff")
  call s:NetrwRestoreSetting(a:vt."netrw_fenkeep","&l:fen")
  if exists("g:netrw_ffkeep") && g:netrw_ffkeep
    call s:NetrwRestoreSetting(a:vt."netrw_ffkeep")","&l:ff")
  endif
  call s:NetrwRestoreSetting(a:vt."netrw_fokeep"   ,"&l:fo")
  call s:NetrwRestoreSetting(a:vt."netrw_gdkeep"   ,"&l:gd")
  call s:NetrwRestoreSetting(a:vt."netrw_gokeep"   ,"&go")
  call s:NetrwRestoreSetting(a:vt."netrw_hidkeep"  ,"&l:hidden")
  call s:NetrwRestoreSetting(a:vt."netrw_imkeep"   ,"&l:im")
  call s:NetrwRestoreSetting(a:vt."netrw_iskkeep"  ,"&l:isk")
  call s:NetrwRestoreSetting(a:vt."netrw_lines"    ,"&lines")
  call s:NetrwRestoreSetting(a:vt."netrw_lskeep"   ,"&l:ls")
  call s:NetrwRestoreSetting(a:vt."netrw_makeep"   ,"&l:ma")
  call s:NetrwRestoreSetting(a:vt."netrw_magickeep","&l:magic")
  call s:NetrwRestoreSetting(a:vt."netrw_modkeep"  ,"&l:mod")
  call s:NetrwRestoreSetting(a:vt."netrw_nukeep"   ,"&l:nu")
  call s:NetrwRestoreSetting(a:vt."netrw_rnukeep"  ,"&l:rnu")
  call s:NetrwRestoreSetting(a:vt."netrw_repkeep"  ,"&l:report")
  call s:NetrwRestoreSetting(a:vt."netrw_rokeep"   ,"&l:ro")
  call s:NetrwRestoreSetting(a:vt."netrw_selkeep"  ,"&l:sel")
  call s:NetrwRestoreSetting(a:vt."netrw_spellkeep","&l:spell")
  call s:NetrwRestoreSetting(a:vt."netrw_twkeep"   ,"&l:tw")
  call s:NetrwRestoreSetting(a:vt."netrw_wigkeep"  ,"&l:wig")
  call s:NetrwRestoreSetting(a:vt."netrw_wrapkeep" ,"&l:wrap")
  call s:NetrwRestoreSetting(a:vt."netrw_writekeep","&l:write")
  call s:NetrwRestoreSetting("s:yykeep","@@")
  " former problem: start with liststyle=0; press <i> : result, following line resets l:ts.
  " Fixed; in s:PerformListing, when w:netrw_liststyle is s:LONGLIST, will use a printf to pad filename with spaces
  "        rather than by appending a tab which previously was using "&ts" to set the desired spacing.  (Sep 28, 2018)
  call s:NetrwRestoreSetting(a:vt."netrw_tskeep","&l:ts")

  if exists("{a:vt}netrw_swfkeep")
    if &directory == ""
      " user hasn't specified a swapfile directory;
      " netrw will temporarily set the swapfile directory
      " to the current directory as returned by getcwd().
      let &l:directory= getcwd()
      sil! let &l:swf = {a:vt}netrw_swfkeep
      setl directory=
      unlet {a:vt}netrw_swfkeep
    elseif &l:swf != {a:vt}netrw_swfkeep
      if !g:netrw_use_noswf
        " following line causes a Press ENTER in windows -- can't seem to work around it!!!
        sil! let &l:swf= {a:vt}netrw_swfkeep
      endif
      unlet {a:vt}netrw_swfkeep
    endif
  endif
  if exists("{a:vt}netrw_dirkeep") && isdirectory(s:NetrwFile({a:vt}netrw_dirkeep)) && g:netrw_keepdir
    let dirkeep = substitute({a:vt}netrw_dirkeep,'\\','/','g')
    if exists("{a:vt}netrw_dirkeep")
      call s:NetrwLcd(dirkeep)
      unlet {a:vt}netrw_dirkeep
    endif
  endif
  if !has('nvim') && has("clipboard") && g:netrw_clipboard
    call s:NetrwRestoreSetting(a:vt."netrw_starkeep","@*")
    call s:NetrwRestoreSetting(a:vt."netrw_pluskeep","@+")
  endif
  call s:NetrwRestoreSetting(a:vt."netrw_slashkeep","@/")

  " Moved the filetype detect here from NetrwGetFile() because remote files
  " were having their filetype detect-generated settings overwritten by
  " NetrwOptionRestore.
  if &ft != "netrw"
    filetype detect
  endif
endfun

" ---------------------------------------------------------------------
" s:NetrwSetSafeSetting: sets an option to a safe setting {{{2
"                        but only when the options' value and the safe setting differ
"                        Doing this means that netrw will not come up as having changed a
"                        setting last when it really didn't actually change it.
"
"                        Called from s:NetrwOptionsSafe
"                          ex. call s:NetrwSetSafeSetting("&l:sel","inclusive")
fun! s:NetrwSetSafeSetting(setting,safesetting)
  "  call Dfunc("s:NetrwSetSafeSetting(setting<".a:setting."> safesetting<".a:safesetting.">)")

  if a:setting =~ '^&'
    "   call Decho("fyi: a:setting starts with &")
    exe "let settingval= ".a:setting
    "   call Decho("fyi: settingval<".settingval.">")

    if settingval != a:safesetting
      "    call Decho("set setting<".a:setting."> to option value<".a:safesetting.">")
      if type(a:safesetting) == 0
        exe "let ".a:setting."=".a:safesetting
      elseif type(a:safesetting) == 1
        exe "let ".a:setting."= '".a:safesetting."'"
      else
        call netrw#ErrorMsg(s:ERROR,"(s:NetrwRestoreSetting) doesn't know how to restore ".a:setting." with a safesetting of type#".type(a:safesetting),105)
      endif
    endif
  endif

  "  call Dret("s:NetrwSetSafeSetting")
endfun

" ------------------------------------------------------------------------
" s:NetrwRestoreSetting: restores specified setting using associated keepvar, {{{2
"                        but only if the setting value differs from the associated keepvar.
"                        Doing this means that netrw will not come up as having changed a
"                        setting last when it really didn't actually change it.
"
"                        Used by s:NetrwOptionsRestore() to restore each netrw-sensitive setting
"                        keepvars are set up by s:NetrwOptionsSave
fun! s:NetrwRestoreSetting(keepvar,setting)
  """  call Dfunc("s:NetrwRestoreSetting(a:keepvar<".a:keepvar."> a:setting<".a:setting.">)")

  " typically called from s:NetrwOptionsRestore
  "   call s:NetrwRestoreSettings(keep-option-variable-name,'associated-option')
  "   ex. call s:NetrwRestoreSetting(a:vt."netrw_selkeep","&l:sel")
  "  Restores option (but only if different) from a:keepvar
  if exists(a:keepvar)
    exe "let keepvarval= ".a:keepvar
    exe "let setting= ".a:setting

    ""   call Decho("fyi: a:keepvar<".a:keepvar."> exists")
    ""   call Decho("fyi: keepvarval=".keepvarval)
    ""   call Decho("fyi: a:setting<".a:setting."> setting<".setting.">")

    if setting != keepvarval
      ""    call Decho("restore setting<".a:setting."> (currently=".setting.") to keepvarval<".keepvarval.">")
      if type(a:setting) == 0
        exe "let ".a:setting."= ".keepvarval
      elseif type(a:setting) == 1
        exe "let ".a:setting."= '".substitute(keepvarval,"'","''","g")."'"
      else
        call netrw#ErrorMsg(s:ERROR,"(s:NetrwRestoreSetting) doesn't know how to restore ".a:keepvar." with a setting of type#".type(a:setting),105)
      endif
    endif

    exe "unlet ".a:keepvar
  endif

  ""  call Dret("s:NetrwRestoreSetting")
endfun

" ---------------------------------------------------------------------
" NetrwStatusLine: {{{2
fun! NetrwStatusLine()

  " vvv NetrwStatusLine() debugging vvv
  "  let g:stlmsg=""
  "  if !exists("w:netrw_explore_bufnr")
  "   let g:stlmsg="!X<explore_bufnr>"
  "  elseif w:netrw_explore_bufnr != bufnr("%")
  "   let g:stlmsg="explore_bufnr!=".bufnr("%")
  "  endif
  "  if !exists("w:netrw_explore_line")
  "   let g:stlmsg=" !X<explore_line>"
  "  elseif w:netrw_explore_line != line(".")
  "   let g:stlmsg=" explore_line!={line(.)<".line(".").">"
  "  endif
  "  if !exists("w:netrw_explore_list")
  "   let g:stlmsg=" !X<explore_list>"
  "  endif
  " ^^^ NetrwStatusLine() debugging ^^^

  if !exists("w:netrw_explore_bufnr") || w:netrw_explore_bufnr != bufnr("%") || !exists("w:netrw_explore_line") || w:netrw_explore_line != line(".") || !exists("w:netrw_explore_list")
    " restore user's status line
    let &l:stl      = s:netrw_users_stl
    let &laststatus = s:netrw_users_ls
    if exists("w:netrw_explore_bufnr")|unlet w:netrw_explore_bufnr|endif
    if exists("w:netrw_explore_line") |unlet w:netrw_explore_line |endif
    return ""
  else
    return "Match ".w:netrw_explore_mtchcnt." of ".w:netrw_explore_listlen
  endif
endfun

" ===============================
"  Netrw Transfer Functions: {{{1
" ===============================

" ------------------------------------------------------------------------
" netrw#NetRead: responsible for reading a file over the net {{{2
"   mode: =0 read remote file and insert before current line
"         =1 read remote file and insert after current line
"         =2 replace with remote file
"         =3 obtain file, but leave in temporary format
fun! netrw#NetRead(mode,...)
  "  call Dfunc("netrw#NetRead(mode=".a:mode.",...) a:0=".a:0." ".g:loaded_netrw.((a:0 > 0)? " a:1<".a:1.">" : ""))

  " NetRead: save options {{{3
  call s:NetrwOptionsSave("w:")
  call s:NetrwOptionsSafe(0)
  call s:RestoreCursorline()
  " NetrwSafeOptions sets a buffer up for a netrw listing, which includes buflisting off.
  " However, this setting is not wanted for a remote editing session.  The buffer should be "nofile", still.
  setl bl
  "  call Decho("buf#".bufnr("%")."<".bufname("%")."> bl=".&bl." bt=".&bt." bh=".&bh,'~'.expand("<slnum>"))

  " NetRead: interpret mode into a readcmd {{{3
  if     a:mode == 0 " read remote file before current line
    let readcmd = "0r"
  elseif a:mode == 1 " read file after current line
    let readcmd = "r"
  elseif a:mode == 2 " replace with remote file
    let readcmd = "%r"
  elseif a:mode == 3 " skip read of file (leave as temporary)
    let readcmd = "t"
  else
    exe a:mode
    let readcmd = "r"
  endif
  let ichoice = (a:0 == 0)? 0 : 1
  "  call Decho("readcmd<".readcmd."> ichoice=".ichoice,'~'.expand("<slnum>"))

  " NetRead: get temporary filename {{{3
  let tmpfile= s:GetTempfile("")
  if tmpfile == ""
    "   call Dret("netrw#NetRead : unable to get a tempfile!")
    return
  endif

  while ichoice <= a:0

    " attempt to repeat with previous host-file-etc
    if exists("b:netrw_lastfile") && a:0 == 0
      "    call Decho("using b:netrw_lastfile<" . b:netrw_lastfile . ">",'~'.expand("<slnum>"))
      let choice = b:netrw_lastfile
      let ichoice= ichoice + 1

    else
      exe "let choice= a:" . ichoice
      "    call Decho("no lastfile: choice<" . choice . ">",'~'.expand("<slnum>"))

      if match(choice,"?") == 0
        " give help
        echomsg 'NetRead Usage:'
        echomsg ':Nread machine:path                         uses rcp'
        echomsg ':Nread "machine path"                       uses ftp   with <.netrc>'
        echomsg ':Nread "machine id password path"           uses ftp'
        echomsg ':Nread dav://machine[:port]/path            uses cadaver'
        echomsg ':Nread fetch://machine/path                 uses fetch'
        echomsg ':Nread ftp://[user@]machine[:port]/path     uses ftp   autodetects <.netrc>'
        echomsg ':Nread http://[user@]machine/path           uses http  wget'
        echomsg ':Nread file:///path                         uses elinks'
        echomsg ':Nread https://[user@]machine/path          uses http  wget'
        echomsg ':Nread rcp://[user@]machine/path            uses rcp'
        echomsg ':Nread rsync://machine[:port]/path          uses rsync'
        echomsg ':Nread scp://[user@]machine[[:#]port]/path  uses scp'
        echomsg ':Nread sftp://[user@]machine[[:#]port]/path uses sftp'
        sleep 4
        break

      elseif match(choice,'^"') != -1
        " Reconstruct Choice if choice starts with '"'
        "     call Decho("reconstructing choice",'~'.expand("<slnum>"))
        if match(choice,'"$') != -1
          " case "..."
          let choice= strpart(choice,1,strlen(choice)-2)
        else
          "  case "... ... ..."
          let choice      = strpart(choice,1,strlen(choice)-1)
          let wholechoice = ""

          while match(choice,'"$') == -1
            let wholechoice = wholechoice . " " . choice
            let ichoice     = ichoice + 1
            if ichoice > a:0
              if !exists("g:netrw_quiet")
                call netrw#ErrorMsg(s:ERROR,"Unbalanced string in filename '". wholechoice ."'",3)
              endif
              "        call Dret("netrw#NetRead :2 getcwd<".getcwd().">")
              return
            endif
            let choice= a:{ichoice}
          endwhile
          let choice= strpart(wholechoice,1,strlen(wholechoice)-1) . " " . strpart(choice,0,strlen(choice)-1)
        endif
      endif
    endif

    "   call Decho("choice<" . choice . ">",'~'.expand("<slnum>"))
    let ichoice= ichoice + 1

    " NetRead: Determine method of read (ftp, rcp, etc) {{{3
    call s:NetrwMethod(choice)
    if !exists("b:netrw_method") || b:netrw_method < 0
      "    call Dret("netrw#NetRead : unsupported method")
      return
    endif
    let tmpfile= s:GetTempfile(b:netrw_fname) " apply correct suffix

    " Check whether or not NetrwBrowse() should be handling this request
    "   call Decho("checking if NetrwBrowse() should handle choice<".choice."> with netrw_list_cmd<".g:netrw_list_cmd.">",'~'.expand("<slnum>"))
    if choice =~ "^.*[\/]$" && b:netrw_method != 5 && choice !~ '^https\=://'
      "    call Decho("yes, choice matches '^.*[\/]$'",'~'.expand("<slnum>"))
      NetrwKeepj call s:NetrwBrowse(0,choice)
      "    call Dret("netrw#NetRead :3 getcwd<".getcwd().">")
      return
    endif

    " ============
    " NetRead: Perform Protocol-Based Read {{{3
    " ===========================
    if exists("g:netrw_silent") && g:netrw_silent == 0 && &ch >= 1
      echo "(netrw) Processing your read request..."
    endif

    ".........................................
    " NetRead: (rcp)  NetRead Method #1 {{{3
    if  b:netrw_method == 1 " read with rcp
      "    call Decho("read via rcp (method #1)",'~'.expand("<slnum>"))
      " ER: nothing done with g:netrw_uid yet?
      " ER: on Win2K" rcp machine[.user]:file tmpfile
      " ER: when machine contains '.' adding .user is required (use $USERNAME)
      " ER: the tmpfile is full path: rcp sees C:\... as host C
      if s:netrw_has_nt_rcp == 1
        if exists("g:netrw_uid") && ( g:netrw_uid != "" )
          let uid_machine = g:netrw_machine .'.'. g:netrw_uid
        else
          " Any way needed it machine contains a '.'
          let uid_machine = g:netrw_machine .'.'. $USERNAME
        endif
      else
        if exists("g:netrw_uid") && ( g:netrw_uid != "" )
          let uid_machine = g:netrw_uid .'@'. g:netrw_machine
        else
          let uid_machine = g:netrw_machine
        endif
      endif
      call s:NetrwExe(s:netrw_silentxfer."!".g:netrw_rcp_cmd." ".s:netrw_rcpmode." ".s:ShellEscape(uid_machine.":".b:netrw_fname,1)." ".s:ShellEscape(tmpfile,1))
      let result           = s:NetrwGetFile(readcmd, tmpfile, b:netrw_method)
      let b:netrw_lastfile = choice

      ".........................................
    " NetRead: (ftp + <.netrc>)  NetRead Method #2 {{{3
    elseif b:netrw_method  == 2          " read with ftp + <.netrc>
      "     call Decho("read via ftp+.netrc (method #2)",'~'.expand("<slnum>"))
      let netrw_fname= b:netrw_fname
      NetrwKeepj call s:SaveBufVars()|new|NetrwKeepj call s:RestoreBufVars()
      let filtbuf= bufnr("%")
      setl ff=unix
      NetrwKeepj put =g:netrw_ftpmode
      "     call Decho("filter input: ".getline(line("$")),'~'.expand("<slnum>"))
      if exists("g:netrw_ftpextracmd")
        NetrwKeepj put =g:netrw_ftpextracmd
        "      call Decho("filter input: ".getline(line("$")),'~'.expand("<slnum>"))
      endif
      call setline(line("$")+1,'get "'.netrw_fname.'" '.tmpfile)
      "     call Decho("filter input: ".getline(line("$")),'~'.expand("<slnum>"))
      if exists("g:netrw_port") && g:netrw_port != ""
        call s:NetrwExe(s:netrw_silentxfer."%!".s:netrw_ftp_cmd." -i ".s:ShellEscape(g:netrw_machine,1)." ".s:ShellEscape(g:netrw_port,1))
      else
        call s:NetrwExe(s:netrw_silentxfer."%!".s:netrw_ftp_cmd." -i ".s:ShellEscape(g:netrw_machine,1))
      endif
      " If the result of the ftp operation isn't blank, show an error message (tnx to Doug Claar)
      if getline(1) !~ "^$" && !exists("g:netrw_quiet") && getline(1) !~ '^Trying '
        let debugkeep = &debug
        setl debug=msg
        NetrwKeepj call netrw#ErrorMsg(s:ERROR,getline(1),4)
        let &debug    = debugkeep
      endif
      call s:SaveBufVars()
      keepj bd!
      if bufname("%") == "" && getline("$") == "" && line('$') == 1
        " needed when one sources a file in a nolbl setting window via ftp
        q!
      endif
      call s:RestoreBufVars()
      let result           = s:NetrwGetFile(readcmd, tmpfile, b:netrw_method)
      let b:netrw_lastfile = choice

      ".........................................
    " NetRead: (ftp + machine,id,passwd,filename)  NetRead Method #3 {{{3
    elseif b:netrw_method == 3           " read with ftp + machine, id, passwd, and fname
      " Construct execution string (four lines) which will be passed through filter
      "    call Decho("read via ftp+mipf (method #3)",'~'.expand("<slnum>"))
      let netrw_fname= escape(b:netrw_fname,g:netrw_fname_escape)
      NetrwKeepj call s:SaveBufVars()|new|NetrwKeepj call s:RestoreBufVars()
      let filtbuf= bufnr("%")
      setl ff=unix
      if exists("g:netrw_port") && g:netrw_port != ""
        NetrwKeepj put ='open '.g:netrw_machine.' '.g:netrw_port
      "     call Decho("filter input: ".getline('.'),'~'.expand("<slnum>"))
      else
        NetrwKeepj put ='open '.g:netrw_machine
        "     call Decho("filter input: ".getline('.'),'~'.expand("<slnum>"))
      endif

      if exists("g:netrw_uid") && g:netrw_uid != ""
        if exists("g:netrw_ftp") && g:netrw_ftp == 1
          NetrwKeepj put =g:netrw_uid
          "       call Decho("filter input: ".getline('.'),'~'.expand("<slnum>"))
          if exists("s:netrw_passwd")
            NetrwKeepj put ='\"'.s:netrw_passwd.'\"'
          endif
        "      call Decho("filter input: ".getline('.'),'~'.expand("<slnum>"))
        elseif exists("s:netrw_passwd")
          NetrwKeepj put ='user \"'.g:netrw_uid.'\" \"'.s:netrw_passwd.'\"'
          "      call Decho("filter input: ".getline('.'),'~'.expand("<slnum>"))
        endif
      endif

      if exists("g:netrw_ftpmode") && g:netrw_ftpmode != ""
        NetrwKeepj put =g:netrw_ftpmode
        "     call Decho("filter input: ".getline('.'),'~'.expand("<slnum>"))
      endif
      if exists("g:netrw_ftpextracmd")
        NetrwKeepj put =g:netrw_ftpextracmd
        "     call Decho("filter input: ".getline('.'),'~'.expand("<slnum>"))
      endif
      NetrwKeepj put ='get \"'.netrw_fname.'\" '.tmpfile
      "    call Decho("filter input: ".getline('.'),'~'.expand("<slnum>"))

      " perform ftp:
      " -i       : turns off interactive prompting from ftp
      " -n  unix : DON'T use <.netrc>, even though it exists
      " -n  win32: quit being obnoxious about password
      NetrwKeepj norm! 1G"_dd
      call s:NetrwExe(s:netrw_silentxfer."%!".s:netrw_ftp_cmd." ".g:netrw_ftp_options)
      " If the result of the ftp operation isn't blank, show an error message (tnx to Doug Claar)
      if getline(1) !~ "^$"
        "     call Decho("error<".getline(1).">",'~'.expand("<slnum>"))
        if !exists("g:netrw_quiet")
          call netrw#ErrorMsg(s:ERROR,getline(1),5)
        endif
      endif
      call s:SaveBufVars()|keepj bd!|call s:RestoreBufVars()
      let result           = s:NetrwGetFile(readcmd, tmpfile, b:netrw_method)
      let b:netrw_lastfile = choice

      ".........................................
    " NetRead: (scp) NetRead Method #4 {{{3
    elseif     b:netrw_method  == 4      " read with scp
      "    call Decho("read via scp (method #4)",'~'.expand("<slnum>"))
      if exists("g:netrw_port") && g:netrw_port != ""
        let useport= " ".g:netrw_scpport." ".g:netrw_port
      else
        let useport= ""
      endif
      " 'C' in 'C:\path\to\file' is handled as hostname on windows.
      " This is workaround to avoid mis-handle windows local-path:
      if g:netrw_scp_cmd =~ '^scp' && has("win32")
        let tmpfile_get = substitute(tr(tmpfile, '\', '/'), '^\(\a\):[/\\]\(.*\)$', '/\1/\2', '')
      else
        let tmpfile_get = tmpfile
      endif
      call s:NetrwExe(s:netrw_silentxfer."!".g:netrw_scp_cmd.useport." ".escape(s:ShellEscape(g:netrw_machine.":".b:netrw_fname,1),' ')." ".s:ShellEscape(tmpfile_get,1))
      let result           = s:NetrwGetFile(readcmd, tmpfile, b:netrw_method)
      let b:netrw_lastfile = choice

      ".........................................
    " NetRead: (http) NetRead Method #5 (wget) {{{3
    elseif     b:netrw_method  == 5
      "    call Decho("read via http (method #5)",'~'.expand("<slnum>"))
      if g:netrw_http_cmd == ""
        if !exists("g:netrw_quiet")
          call netrw#ErrorMsg(s:ERROR,"neither the wget nor the fetch command is available",6)
        endif
        "     call Dret("netrw#NetRead :4 getcwd<".getcwd().">")
        return
      endif

      if match(b:netrw_fname,"#") == -1 || exists("g:netrw_http_xcmd")
        " using g:netrw_http_cmd (usually elinks, links, curl, wget, or fetch)
        "     call Decho('using '.g:netrw_http_cmd.' (# not in b:netrw_fname<'.b:netrw_fname.">)",'~'.expand("<slnum>"))
        if exists("g:netrw_http_xcmd")
          call s:NetrwExe(s:netrw_silentxfer."!".g:netrw_http_cmd." ".s:ShellEscape(b:netrw_http."://".g:netrw_machine.b:netrw_fname,1)." ".g:netrw_http_xcmd." ".s:ShellEscape(tmpfile,1))
        else
          call s:NetrwExe(s:netrw_silentxfer."!".g:netrw_http_cmd." ".s:ShellEscape(tmpfile,1)." ".s:ShellEscape(b:netrw_http."://".g:netrw_machine.b:netrw_fname,1))
        endif
        let result = s:NetrwGetFile(readcmd, tmpfile, b:netrw_method)

      else
        " wget/curl/fetch plus a jump to an in-page marker (ie. http://abc/def.html#aMarker)
        "     call Decho("wget/curl plus jump (# in b:netrw_fname<".b:netrw_fname.">)",'~'.expand("<slnum>"))
        let netrw_html= substitute(b:netrw_fname,"#.*$","","")
        let netrw_tag = substitute(b:netrw_fname,"^.*#","","")
        "     call Decho("netrw_html<".netrw_html.">",'~'.expand("<slnum>"))
        "     call Decho("netrw_tag <".netrw_tag.">",'~'.expand("<slnum>"))
        call s:NetrwExe(s:netrw_silentxfer."!".g:netrw_http_cmd." ".s:ShellEscape(tmpfile,1)." ".s:ShellEscape(b:netrw_http."://".g:netrw_machine.netrw_html,1))
        let result = s:NetrwGetFile(readcmd, tmpfile, b:netrw_method)
        "     call Decho('<\s*a\s*name=\s*"'.netrw_tag.'"/','~'.expand("<slnum>"))
        exe 'NetrwKeepj norm! 1G/<\s*a\s*name=\s*"'.netrw_tag.'"/'."\<CR>"
      endif
      let b:netrw_lastfile = choice
      "    call Decho("setl ro",'~'.expand("<slnum>"))
      setl ro nomod

      ".........................................
    " NetRead: (dav) NetRead Method #6 {{{3
    elseif     b:netrw_method  == 6
      "    call Decho("read via cadaver (method #6)",'~'.expand("<slnum>"))

      if !executable(g:netrw_dav_cmd)
        call netrw#ErrorMsg(s:ERROR,g:netrw_dav_cmd." is not executable",73)
        "     call Dret("netrw#NetRead : ".g:netrw_dav_cmd." not executable")
        return
      endif
      if g:netrw_dav_cmd =~ "curl"
        call s:NetrwExe(s:netrw_silentxfer."!".g:netrw_dav_cmd." ".s:ShellEscape("dav://".g:netrw_machine.b:netrw_fname,1)." ".s:ShellEscape(tmpfile,1))
      else
        " Construct execution string (four lines) which will be passed through filter
        let netrw_fname= escape(b:netrw_fname,g:netrw_fname_escape)
        new
        setl ff=unix
        if exists("g:netrw_port") && g:netrw_port != ""
          NetrwKeepj put ='open '.g:netrw_machine.' '.g:netrw_port
        else
          NetrwKeepj put ='open '.g:netrw_machine
        endif
        if exists("g:netrw_uid") && exists("s:netrw_passwd") && g:netrw_uid != ""
          NetrwKeepj put ='user '.g:netrw_uid.' '.s:netrw_passwd
        endif
        NetrwKeepj put ='get '.netrw_fname.' '.tmpfile
        NetrwKeepj put ='quit'

        " perform cadaver operation:
        NetrwKeepj norm! 1G"_dd
        call s:NetrwExe(s:netrw_silentxfer."%!".g:netrw_dav_cmd)
        keepj bd!
      endif
      let result           = s:NetrwGetFile(readcmd, tmpfile, b:netrw_method)
      let b:netrw_lastfile = choice

      ".........................................
    " NetRead: (rsync) NetRead Method #7 {{{3
    elseif     b:netrw_method  == 7
      "    call Decho("read via rsync (method #7)",'~'.expand("<slnum>"))
      call s:NetrwExe(s:netrw_silentxfer."!".g:netrw_rsync_cmd." ".s:ShellEscape(g:netrw_machine.g:netrw_rsync_sep.b:netrw_fname,1)." ".s:ShellEscape(tmpfile,1))
      let result           = s:NetrwGetFile(readcmd,tmpfile, b:netrw_method)
      let b:netrw_lastfile = choice

      ".........................................
    " NetRead: (fetch) NetRead Method #8 {{{3
    "    fetch://[user@]host[:http]/path
    elseif     b:netrw_method  == 8
      "    call Decho("read via fetch (method #8)",'~'.expand("<slnum>"))
      if g:netrw_fetch_cmd == ""
        if !exists("g:netrw_quiet")
          NetrwKeepj call netrw#ErrorMsg(s:ERROR,"fetch command not available",7)
        endif
        "     call Dret("NetRead")
        return
      endif
      if exists("g:netrw_option") && g:netrw_option =~ ":https\="
        let netrw_option= "http"
      else
        let netrw_option= "ftp"
      endif
      "    call Decho("read via fetch for ".netrw_option,'~'.expand("<slnum>"))

      if exists("g:netrw_uid") && g:netrw_uid != "" && exists("s:netrw_passwd") && s:netrw_passwd != ""
        call s:NetrwExe(s:netrw_silentxfer."!".g:netrw_fetch_cmd." ".s:ShellEscape(tmpfile,1)." ".s:ShellEscape(netrw_option."://".g:netrw_uid.':'.s:netrw_passwd.'@'.g:netrw_machine."/".b:netrw_fname,1))
      else
        call s:NetrwExe(s:netrw_silentxfer."!".g:netrw_fetch_cmd." ".s:ShellEscape(tmpfile,1)." ".s:ShellEscape(netrw_option."://".g:netrw_machine."/".b:netrw_fname,1))
      endif

      let result          = s:NetrwGetFile(readcmd,tmpfile, b:netrw_method)
      let b:netrw_lastfile = choice
      "    call Decho("setl ro",'~'.expand("<slnum>"))
      setl ro nomod

      ".........................................
    " NetRead: (sftp) NetRead Method #9 {{{3
    elseif     b:netrw_method  == 9
      "    call Decho("read via sftp (method #9)",'~'.expand("<slnum>"))
      call s:NetrwExe(s:netrw_silentxfer."!".g:netrw_sftp_cmd." ".s:ShellEscape(g:netrw_machine.":".b:netrw_fname,1)." ".tmpfile)
      let result          = s:NetrwGetFile(readcmd, tmpfile, b:netrw_method)
      let b:netrw_lastfile = choice

      ".........................................
    " NetRead: (file) NetRead Method #10 {{{3
    elseif      b:netrw_method == 10 && exists("g:netrw_file_cmd")
      "   "    call Decho("read via ".b:netrw_file_cmd." (method #10)",'~'.expand("<slnum>"))
      call s:NetrwExe(s:netrw_silentxfer."!".g:netrw_file_cmd." ".s:ShellEscape(b:netrw_fname,1)." ".tmpfile)
      let result           = s:NetrwGetFile(readcmd, tmpfile, b:netrw_method)
      let b:netrw_lastfile = choice

      ".........................................
    " NetRead: Complain {{{3
    else
      call netrw#ErrorMsg(s:WARNING,"unable to comply with your request<" . choice . ">",8)
    endif
  endwhile

  " NetRead: cleanup {{{3
  if exists("b:netrw_method")
    "   call Decho("cleanup b:netrw_method and b:netrw_fname",'~'.expand("<slnum>"))
    unlet b:netrw_method
    unlet b:netrw_fname
  endif
  if s:FileReadable(tmpfile) && tmpfile !~ '.tar.bz2$' && tmpfile !~ '.tar.gz$' && tmpfile !~ '.zip' && tmpfile !~ '.tar' && readcmd != 't' && tmpfile !~ '.tar.xz$' && tmpfile !~ '.txz'
    "   call Decho("cleanup by deleting tmpfile<".tmpfile.">",'~'.expand("<slnum>"))
    NetrwKeepj call s:NetrwDelete(tmpfile)
  endif
  NetrwKeepj call s:NetrwOptionsRestore("w:")

  "  call Dret("netrw#NetRead :5 getcwd<".getcwd().">")
endfun

" ------------------------------------------------------------------------
" netrw#NetWrite: responsible for writing a file over the net {{{2
fun! netrw#NetWrite(...) range
  "  call Dfunc("netrw#NetWrite(a:0=".a:0.") ".g:loaded_netrw)

  " NetWrite: option handling {{{3
  let mod= 0
  call s:NetrwOptionsSave("w:")
  call s:NetrwOptionsSafe(0)

  " NetWrite: Get Temporary Filename {{{3
  let tmpfile= s:GetTempfile("")
  if tmpfile == ""
    "   call Dret("netrw#NetWrite : unable to get a tempfile!")
    return
  endif

  if a:0 == 0
    let ichoice = 0
  else
    let ichoice = 1
  endif

  let curbufname= expand("%")
  "  call Decho("curbufname<".curbufname.">",'~'.expand("<slnum>"))
  if &binary
    " For binary writes, always write entire file.
    " (line numbers don't really make sense for that).
    " Also supports the writing of tar and zip files.
    "   call Decho("(write entire file) sil exe w! ".fnameescape(v:cmdarg)." ".fnameescape(tmpfile),'~'.expand("<slnum>"))
    exe "sil NetrwKeepj w! ".fnameescape(v:cmdarg)." ".fnameescape(tmpfile)
  elseif g:netrw_cygwin
    " write (selected portion of) file to temporary
    let cygtmpfile= substitute(tmpfile,g:netrw_cygdrive.'/\(.\)','\1:','')
    "   call Decho("(write selected portion) sil exe ".a:firstline."," . a:lastline . "w! ".fnameescape(v:cmdarg)." ".fnameescape(cygtmpfile),'~'.expand("<slnum>"))
    exe "sil NetrwKeepj ".a:firstline."," . a:lastline . "w! ".fnameescape(v:cmdarg)." ".fnameescape(cygtmpfile)
  else
    " write (selected portion of) file to temporary
    "   call Decho("(write selected portion) sil exe ".a:firstline."," . a:lastline . "w! ".fnameescape(v:cmdarg)." ".fnameescape(tmpfile),'~'.expand("<slnum>"))
    exe "sil NetrwKeepj ".a:firstline."," . a:lastline . "w! ".fnameescape(v:cmdarg)." ".fnameescape(tmpfile)
  endif

  if curbufname == ""
    " when the file is [No Name], and one attempts to Nwrite it, the buffer takes
    " on the temporary file's name.  Deletion of the temporary file during
    " cleanup then causes an error message.
    0file!
  endif

  " NetWrite: while choice loop: {{{3
  while ichoice <= a:0

    " Process arguments: {{{4
    " attempt to repeat with previous host-file-etc
    if exists("b:netrw_lastfile") && a:0 == 0
      "    call Decho("using b:netrw_lastfile<" . b:netrw_lastfile . ">",'~'.expand("<slnum>"))
      let choice = b:netrw_lastfile
      let ichoice= ichoice + 1
    else
      exe "let choice= a:" . ichoice

      " Reconstruct Choice when choice starts with '"'
      if match(choice,"?") == 0
        echomsg 'NetWrite Usage:"'
        echomsg ':Nwrite machine:path                        uses rcp'
        echomsg ':Nwrite "machine path"                      uses ftp with <.netrc>'
        echomsg ':Nwrite "machine id password path"          uses ftp'
        echomsg ':Nwrite dav://[user@]machine/path           uses cadaver'
        echomsg ':Nwrite fetch://[user@]machine/path         uses fetch'
        echomsg ':Nwrite ftp://machine[#port]/path           uses ftp  (autodetects <.netrc>)'
        echomsg ':Nwrite rcp://machine/path                  uses rcp'
        echomsg ':Nwrite rsync://[user@]machine/path         uses rsync'
        echomsg ':Nwrite scp://[user@]machine[[:#]port]/path uses scp'
        echomsg ':Nwrite sftp://[user@]machine/path          uses sftp'
        sleep 4
        break

      elseif match(choice,"^\"") != -1
        if match(choice,"\"$") != -1
          " case "..."
          let choice=strpart(choice,1,strlen(choice)-2)
        else
          "  case "... ... ..."
          let choice      = strpart(choice,1,strlen(choice)-1)
          let wholechoice = ""

          while match(choice,"\"$") == -1
            let wholechoice= wholechoice . " " . choice
            let ichoice    = ichoice + 1
            if choice > a:0
              if !exists("g:netrw_quiet")
                call netrw#ErrorMsg(s:ERROR,"Unbalanced string in filename '". wholechoice ."'",13)
              endif
              "        call Dret("netrw#NetWrite")
              return
            endif
            let choice= a:{ichoice}
          endwhile
          let choice= strpart(wholechoice,1,strlen(wholechoice)-1) . " " . strpart(choice,0,strlen(choice)-1)
        endif
      endif
    endif
    let ichoice= ichoice + 1
    "   call Decho("choice<" . choice . "> ichoice=".ichoice,'~'.expand("<slnum>"))

    " Determine method of write (ftp, rcp, etc) {{{4
    NetrwKeepj call s:NetrwMethod(choice)
    if !exists("b:netrw_method") || b:netrw_method < 0
      "    call Dfunc("netrw#NetWrite : unsupported method")
      return
    endif

    " =============
    " NetWrite: Perform Protocol-Based Write {{{3
    " ============================
    if exists("g:netrw_silent") && g:netrw_silent == 0 && &ch >= 1
      echo "(netrw) Processing your write request..."
      "    call Decho("Processing your write request...",'~'.expand("<slnum>"))
    endif

    ".........................................
    " NetWrite: (rcp) NetWrite Method #1 {{{3
    if  b:netrw_method == 1
      "    call Decho("write via rcp (method #1)",'~'.expand("<slnum>"))
      if s:netrw_has_nt_rcp == 1
        if exists("g:netrw_uid") &&  ( g:netrw_uid != "" )
          let uid_machine = g:netrw_machine .'.'. g:netrw_uid
        else
          let uid_machine = g:netrw_machine .'.'. $USERNAME
        endif
      else
        if exists("g:netrw_uid") &&  ( g:netrw_uid != "" )
          let uid_machine = g:netrw_uid .'@'. g:netrw_machine
        else
          let uid_machine = g:netrw_machine
        endif
      endif
      call s:NetrwExe(s:netrw_silentxfer."!".g:netrw_rcp_cmd." ".s:netrw_rcpmode." ".s:ShellEscape(tmpfile,1)." ".s:ShellEscape(uid_machine.":".b:netrw_fname,1))
      let b:netrw_lastfile = choice

      ".........................................
    " NetWrite: (ftp + <.netrc>) NetWrite Method #2 {{{3
    elseif b:netrw_method == 2
      "    call Decho("write via ftp+.netrc (method #2)",'~'.expand("<slnum>"))
      let netrw_fname = b:netrw_fname

      " formerly just a "new...bd!", that changed the window sizes when equalalways.  Using enew workaround instead
      let bhkeep      = &l:bh
      let curbuf      = bufnr("%")
      setl bh=hide
      keepj keepalt enew

      "    call Decho("filter input window#".winnr(),'~'.expand("<slnum>"))
      setl ff=unix
      NetrwKeepj put =g:netrw_ftpmode
      "    call Decho("filter input: ".getline('$'),'~'.expand("<slnum>"))
      if exists("g:netrw_ftpextracmd")
        NetrwKeepj put =g:netrw_ftpextracmd
        "     call Decho("filter input: ".getline("$"),'~'.expand("<slnum>"))
      endif
      NetrwKeepj call setline(line("$")+1,'put "'.tmpfile.'" "'.netrw_fname.'"')
      "    call Decho("filter input: ".getline("$"),'~'.expand("<slnum>"))
      if exists("g:netrw_port") && g:netrw_port != ""
        call s:NetrwExe(s:netrw_silentxfer."%!".s:netrw_ftp_cmd." -i ".s:ShellEscape(g:netrw_machine,1)." ".s:ShellEscape(g:netrw_port,1))
      else
        "     call Decho("filter input window#".winnr(),'~'.expand("<slnum>"))
        call s:NetrwExe(s:netrw_silentxfer."%!".s:netrw_ftp_cmd." -i ".s:ShellEscape(g:netrw_machine,1))
      endif
      " If the result of the ftp operation isn't blank, show an error message (tnx to Doug Claar)
      if getline(1) !~ "^$"
        if !exists("g:netrw_quiet")
          NetrwKeepj call netrw#ErrorMsg(s:ERROR,getline(1),14)
        endif
        let mod=1
      endif

      " remove enew buffer (quietly)
      let filtbuf= bufnr("%")
      exe curbuf."b!"
      let &l:bh            = bhkeep
      exe filtbuf."bw!"

      let b:netrw_lastfile = choice

      ".........................................
    " NetWrite: (ftp + machine, id, passwd, filename) NetWrite Method #3 {{{3
    elseif b:netrw_method == 3
      " Construct execution string (three or more lines) which will be passed through filter
      "    call Decho("read via ftp+mipf (method #3)",'~'.expand("<slnum>"))
      let netrw_fname = b:netrw_fname
      let bhkeep      = &l:bh

      " formerly just a "new...bd!", that changed the window sizes when equalalways.  Using enew workaround instead
      let curbuf      = bufnr("%")
      setl bh=hide
      keepj keepalt enew
      setl ff=unix

      if exists("g:netrw_port") && g:netrw_port != ""
        NetrwKeepj put ='open '.g:netrw_machine.' '.g:netrw_port
      "     call Decho("filter input: ".getline('.'),'~'.expand("<slnum>"))
      else
        NetrwKeepj put ='open '.g:netrw_machine
        "     call Decho("filter input: ".getline('.'),'~'.expand("<slnum>"))
      endif
      if exists("g:netrw_uid") && g:netrw_uid != ""
        if exists("g:netrw_ftp") && g:netrw_ftp == 1
          NetrwKeepj put =g:netrw_uid
          "      call Decho("filter input: ".getline('.'),'~'.expand("<slnum>"))
          if exists("s:netrw_passwd") && s:netrw_passwd != ""
            NetrwKeepj put ='\"'.s:netrw_passwd.'\"'
          endif
        "      call Decho("filter input: ".getline('.'),'~'.expand("<slnum>"))
        elseif exists("s:netrw_passwd") && s:netrw_passwd != ""
          NetrwKeepj put ='user \"'.g:netrw_uid.'\" \"'.s:netrw_passwd.'\"'
          "      call Decho("filter input: ".getline('.'),'~'.expand("<slnum>"))
        endif
      endif
      NetrwKeepj put =g:netrw_ftpmode
      "    call Decho("filter input: ".getline('$'),'~'.expand("<slnum>"))
      if exists("g:netrw_ftpextracmd")
        NetrwKeepj put =g:netrw_ftpextracmd
        "     call Decho("filter input: ".getline("$"),'~'.expand("<slnum>"))
      endif
      NetrwKeepj put ='put \"'.tmpfile.'\" \"'.netrw_fname.'\"'
      "    call Decho("filter input: ".getline('.'),'~'.expand("<slnum>"))
      " save choice/id/password for future use
      let b:netrw_lastfile = choice

      " perform ftp:
      " -i       : turns off interactive prompting from ftp
      " -n  unix : DON'T use <.netrc>, even though it exists
      " -n  win32: quit being obnoxious about password
      NetrwKeepj norm! 1G"_dd
      call s:NetrwExe(s:netrw_silentxfer."%!".s:netrw_ftp_cmd." ".g:netrw_ftp_options)
      " If the result of the ftp operation isn't blank, show an error message (tnx to Doug Claar)
      if getline(1) !~ "^$"
        if  !exists("g:netrw_quiet")
          call netrw#ErrorMsg(s:ERROR,getline(1),15)
        endif
        let mod=1
      endif

      " remove enew buffer (quietly)
      let filtbuf= bufnr("%")
      exe curbuf."b!"
      let &l:bh= bhkeep
      exe filtbuf."bw!"

      ".........................................
    " NetWrite: (scp) NetWrite Method #4 {{{3
    elseif     b:netrw_method == 4
      "    call Decho("write via scp (method #4)",'~'.expand("<slnum>"))
      if exists("g:netrw_port") && g:netrw_port != ""
        let useport= " ".g:netrw_scpport." ".fnameescape(g:netrw_port)
      else
        let useport= ""
      endif
      call s:NetrwExe(s:netrw_silentxfer."!".g:netrw_scp_cmd.useport." ".s:ShellEscape(tmpfile,1)." ".s:ShellEscape(g:netrw_machine.":".b:netrw_fname,1))
      let b:netrw_lastfile = choice

      ".........................................
    " NetWrite: (http) NetWrite Method #5 {{{3
    elseif     b:netrw_method == 5
      "    call Decho("write via http (method #5)",'~'.expand("<slnum>"))
      let curl= substitute(g:netrw_http_put_cmd,'\s\+.*$',"","")
      if executable(curl)
        let url= g:netrw_choice
        call s:NetrwExe(s:netrw_silentxfer."!".g:netrw_http_put_cmd." ".s:ShellEscape(tmpfile,1)." ".s:ShellEscape(url,1) )
      elseif !exists("g:netrw_quiet")
        call netrw#ErrorMsg(s:ERROR,"can't write to http using <".g:netrw_http_put_cmd.">",16)
      endif

      ".........................................
    " NetWrite: (dav) NetWrite Method #6 (cadaver) {{{3
    elseif     b:netrw_method == 6
      "    call Decho("write via cadaver (method #6)",'~'.expand("<slnum>"))

      " Construct execution string (four lines) which will be passed through filter
      let netrw_fname = escape(b:netrw_fname,g:netrw_fname_escape)
      let bhkeep      = &l:bh

      " formerly just a "new...bd!", that changed the window sizes when equalalways.  Using enew workaround instead
      let curbuf      = bufnr("%")
      setl bh=hide
      keepj keepalt enew

      setl ff=unix
      if exists("g:netrw_port") && g:netrw_port != ""
        NetrwKeepj put ='open '.g:netrw_machine.' '.g:netrw_port
      else
        NetrwKeepj put ='open '.g:netrw_machine
      endif
      if exists("g:netrw_uid") && exists("s:netrw_passwd") && g:netrw_uid != ""
        NetrwKeepj put ='user '.g:netrw_uid.' '.s:netrw_passwd
      endif
      NetrwKeepj put ='put '.tmpfile.' '.netrw_fname

      " perform cadaver operation:
      NetrwKeepj norm! 1G"_dd
      call s:NetrwExe(s:netrw_silentxfer."%!".g:netrw_dav_cmd)

      " remove enew buffer (quietly)
      let filtbuf= bufnr("%")
      exe curbuf."b!"
      let &l:bh            = bhkeep
      exe filtbuf."bw!"

      let b:netrw_lastfile = choice

      ".........................................
    " NetWrite: (rsync) NetWrite Method #7 {{{3
    elseif     b:netrw_method == 7
      "    call Decho("write via rsync (method #7)",'~'.expand("<slnum>"))
      call s:NetrwExe(s:netrw_silentxfer."!".g:netrw_rsync_cmd." ".s:ShellEscape(tmpfile,1)." ".s:ShellEscape(g:netrw_machine.g:netrw_rsync_sep.b:netrw_fname,1))
      let b:netrw_lastfile = choice

      ".........................................
    " NetWrite: (sftp) NetWrite Method #9 {{{3
    elseif     b:netrw_method == 9
      "    call Decho("write via sftp (method #9)",'~'.expand("<slnum>"))
      let netrw_fname= escape(b:netrw_fname,g:netrw_fname_escape)
      if exists("g:netrw_uid") &&  ( g:netrw_uid != "" )
        let uid_machine = g:netrw_uid .'@'. g:netrw_machine
      else
        let uid_machine = g:netrw_machine
      endif

      " formerly just a "new...bd!", that changed the window sizes when equalalways.  Using enew workaround instead
      let bhkeep = &l:bh
      let curbuf = bufnr("%")
      setl bh=hide
      keepj keepalt enew

      setl ff=unix
      call setline(1,'put "'.escape(tmpfile,'\').'" '.netrw_fname)
      "    call Decho("filter input: ".getline('.'),'~'.expand("<slnum>"))
      let sftpcmd= substitute(g:netrw_sftp_cmd,"%TEMPFILE%",escape(tmpfile,'\'),"g")
      call s:NetrwExe(s:netrw_silentxfer."%!".sftpcmd.' '.s:ShellEscape(uid_machine,1))
      let filtbuf= bufnr("%")
      exe curbuf."b!"
      let &l:bh            = bhkeep
      exe filtbuf."bw!"
      let b:netrw_lastfile = choice

      ".........................................
    " NetWrite: Complain {{{3
    else
      call netrw#ErrorMsg(s:WARNING,"unable to comply with your request<" . choice . ">",17)
      let leavemod= 1
    endif
  endwhile

  " NetWrite: Cleanup: {{{3
  "  call Decho("cleanup",'~'.expand("<slnum>"))
  if s:FileReadable(tmpfile)
    "   call Decho("tmpfile<".tmpfile."> readable, will now delete it",'~'.expand("<slnum>"))
    call s:NetrwDelete(tmpfile)
  endif
  call s:NetrwOptionsRestore("w:")

  if a:firstline == 1 && a:lastline == line("$")
    " restore modifiability; usually equivalent to set nomod
    let &l:mod= mod
  "   call Decho(" ro=".&l:ro." ma=".&l:ma." mod=".&l:mod." wrap=".&l:wrap." (filename<".expand("%")."> win#".winnr()." ft<".&ft.">)",'~'.expand("<slnum>"))
  elseif !exists("leavemod")
    " indicate that the buffer has not been modified since last written
    "   call Decho("set nomod",'~'.expand("<slnum>"))
    setl nomod
    "   call Decho(" ro=".&l:ro." ma=".&l:ma." mod=".&l:mod." wrap=".&l:wrap." (filename<".expand("%")."> win#".winnr()." ft<".&ft.">)",'~'.expand("<slnum>"))
  endif

  "  call Dret("netrw#NetWrite")
endfun

" ---------------------------------------------------------------------
" netrw#NetSource: source a remotely hosted vim script {{{2
" uses NetRead to get a copy of the file into a temporarily file,
"              then sources that file,
"              then removes that file.
fun! netrw#NetSource(...)
  "  call Dfunc("netrw#NetSource() a:0=".a:0)
  if a:0 > 0 && a:1 == '?'
    " give help
    echomsg 'NetSource Usage:'
    echomsg ':Nsource dav://machine[:port]/path            uses cadaver'
    echomsg ':Nsource fetch://machine/path                 uses fetch'
    echomsg ':Nsource ftp://[user@]machine[:port]/path     uses ftp   autodetects <.netrc>'
    echomsg ':Nsource http[s]://[user@]machine/path        uses http  wget'
    echomsg ':Nsource rcp://[user@]machine/path            uses rcp'
    echomsg ':Nsource rsync://machine[:port]/path          uses rsync'
    echomsg ':Nsource scp://[user@]machine[[:#]port]/path  uses scp'
    echomsg ':Nsource sftp://[user@]machine[[:#]port]/path uses sftp'
    sleep 4
  else
    let i= 1
    while i <= a:0
      call netrw#NetRead(3,a:{i})
      "    call Decho("s:netread_tmpfile<".s:netrw_tmpfile.">",'~'.expand("<slnum>"))
      if s:FileReadable(s:netrw_tmpfile)
        "     call Decho("exe so ".fnameescape(s:netrw_tmpfile),'~'.expand("<slnum>"))
        exe "so ".fnameescape(s:netrw_tmpfile)
        "     call Decho("delete(".s:netrw_tmpfile.")",'~'.expand("<slnum>"))
        if delete(s:netrw_tmpfile)
          call netrw#ErrorMsg(s:ERROR,"unable to delete directory <".s:netrw_tmpfile.">!",103)
        endif
        unlet s:netrw_tmpfile
      else
        call netrw#ErrorMsg(s:ERROR,"unable to source <".a:{i}.">!",48)
      endif
      let i= i + 1
    endwhile
  endif
  "  call Dret("netrw#NetSource")
endfun

" ---------------------------------------------------------------------
" netrw#SetTreetop: resets the tree top to the current directory/specified directory {{{2
"                   (implements the :Ntree command)
fun! netrw#SetTreetop(iscmd,...)

  " iscmd==0: netrw#SetTreetop called using gn mapping
  " iscmd==1: netrw#SetTreetop called using :Ntree from the command line
  " clear out the current tree
  if exists("w:netrw_treetop")
    let inittreetop= w:netrw_treetop
    unlet w:netrw_treetop
  endif
  if exists("w:netrw_treedict")
    unlet w:netrw_treedict
  endif

  if (a:iscmd == 0 || a:1 == "") && exists("inittreetop")
    let treedir         = s:NetrwTreePath(inittreetop)
  else
    if isdirectory(s:NetrwFile(a:1))
      let treedir         = a:1
      let s:netrw_treetop = treedir
    elseif exists("b:netrw_curdir") && (isdirectory(s:NetrwFile(b:netrw_curdir."/".a:1)) || a:1 =~ '^\a\{3,}://')
      let treedir         = b:netrw_curdir."/".a:1
      let s:netrw_treetop = treedir
    else
      " normally the cursor is left in the message window.
      " However, here this results in the directory being listed in the message window, which is not wanted.
      let netrwbuf= bufnr("%")
      call netrw#ErrorMsg(s:ERROR,"sorry, ".a:1." doesn't seem to be a directory!",95)
      exe bufwinnr(netrwbuf)."wincmd w"
      let treedir         = "."
      let s:netrw_treetop = getcwd()
    endif
  endif

  " determine if treedir is remote or local
  let islocal= expand("%") !~ '^\a\{3,}://'

  " browse the resulting directory
  if islocal
    call netrw#LocalBrowseCheck(s:NetrwBrowseChgDir(islocal,treedir,0))
  else
    call s:NetrwBrowse(islocal,s:NetrwBrowseChgDir(islocal,treedir,0))
  endif

endfun

" ===========================================
" s:NetrwGetFile: Function to read temporary file "tfile" with command "readcmd". {{{2
"    readcmd == %r : replace buffer with newly read file
"            == 0r : read file at top of buffer
"            == r  : read file after current line
"            == t  : leave file in temporary form (ie. don't read into buffer)
fun! s:NetrwGetFile(readcmd, tfile, method)
  "  call Dfunc("NetrwGetFile(readcmd<".a:readcmd.">,tfile<".a:tfile."> method<".a:method.">)")

  " readcmd=='t': simply do nothing
  if a:readcmd == 't'
    "   call Decho(" ro=".&l:ro." ma=".&l:ma." mod=".&l:mod." wrap=".&l:wrap." (filename<".expand("%")."> win#".winnr()." ft<".&ft.">)",'~'.expand("<slnum>"))
    "   call Dret("NetrwGetFile : skip read of tfile<".a:tfile.">")
    return
  endif

  " get name of remote filename (ie. url and all)
  let rfile= bufname("%")
  "  call Decho("rfile<".rfile.">",'~'.expand("<slnum>"))

  if exists("*NetReadFixup")
    " for the use of NetReadFixup (not otherwise used internally)
    let line2= line("$")
  endif

  if a:readcmd[0] == '%'
    " get file into buffer
    "   call Decho("get file into buffer",'~'.expand("<slnum>"))

    " rename the current buffer to the temp file (ie. tfile)
    if g:netrw_cygwin
      let tfile= substitute(a:tfile,g:netrw_cygdrive.'/\(.\)','\1:','')
    else
      let tfile= a:tfile
    endif
    call s:NetrwBufRename(tfile)

    " edit temporary file (ie. read the temporary file in)
    if     rfile =~ '\.zip$'
      "    call Decho("handling remote zip file with zip#Browse(tfile<".tfile.">)",'~'.expand("<slnum>"))
      call zip#Browse(tfile)
    elseif rfile =~ '\.tar$'
      "    call Decho("handling remote tar file with tar#Browse(tfile<".tfile.">)",'~'.expand("<slnum>"))
      call tar#Browse(tfile)
    elseif rfile =~ '\.tar\.gz$'
      "    call Decho("handling remote gzip-compressed tar file",'~'.expand("<slnum>"))
      call tar#Browse(tfile)
    elseif rfile =~ '\.tar\.bz2$'
      "    call Decho("handling remote bz2-compressed tar file",'~'.expand("<slnum>"))
      call tar#Browse(tfile)
    elseif rfile =~ '\.tar\.xz$'
      "    call Decho("handling remote xz-compressed tar file",'~'.expand("<slnum>"))
      call tar#Browse(tfile)
    elseif rfile =~ '\.txz$'
      "    call Decho("handling remote xz-compressed tar file (.txz)",'~'.expand("<slnum>"))
      call tar#Browse(tfile)
    else
      "    call Decho("edit temporary file",'~'.expand("<slnum>"))
      NetrwKeepj e!
    endif

    " rename buffer back to remote filename
    call s:NetrwBufRename(rfile)

    " Jan 19, 2022: COMBAK -- bram problem with https://github.com/vim/vim/pull/9554.diff filetype
    " Detect filetype of local version of remote file.
    " Note that isk must not include a "/" for scripts.vim
    " to process this detection correctly.
    "   call Decho("detect filetype of local version of remote file<".rfile.">",'~'.expand("<slnum>"))
    "   call Decho("..did_filetype()=".did_filetype())
    "   setl ft=
    "   call Decho("..initial filetype<".&ft."> for buf#".bufnr()."<".bufname().">")
    let iskkeep= &isk
    setl isk-=/
    filetype detect
    "   call Decho("..local filetype<".&ft."> for buf#".bufnr()."<".bufname().">")
    let &l:isk= iskkeep
    "   call Dredir("ls!","NetrwGetFile (renamed buffer back to remote filename<".rfile."> : expand(%)<".expand("%").">)")
    let line1 = 1
    let line2 = line("$")

  elseif !&ma
    " attempting to read a file after the current line in the file, but the buffer is not modifiable
    NetrwKeepj call netrw#ErrorMsg(s:WARNING,"attempt to read<".a:tfile."> into a non-modifiable buffer!",94)
    "   call Dret("NetrwGetFile : attempt to read<".a:tfile."> into a non-modifiable buffer!")
    return

  elseif s:FileReadable(a:tfile)
    " read file after current line
    "   call Decho("read file<".a:tfile."> after current line",'~'.expand("<slnum>"))
    let curline = line(".")
    let lastline= line("$")
    "   call Decho("exe<".a:readcmd." ".fnameescape(v:cmdarg)." ".fnameescape(a:tfile).">  line#".curline,'~'.expand("<slnum>"))
    exe "NetrwKeepj ".a:readcmd." ".fnameescape(v:cmdarg)." ".fnameescape(a:tfile)
    let line1= curline + 1
    let line2= line("$") - lastline + 1

  else
    " not readable
    "   call Decho(" ro=".&l:ro." ma=".&l:ma." mod=".&l:mod." wrap=".&l:wrap." (filename<".expand("%")."> win#".winnr()." ft<".&ft.">)",'~'.expand("<slnum>"))
    "   call Decho("tfile<".a:tfile."> not readable",'~'.expand("<slnum>"))
    NetrwKeepj call netrw#ErrorMsg(s:WARNING,"file <".a:tfile."> not readable",9)
    "   call Dret("NetrwGetFile : tfile<".a:tfile."> not readable")
    return
  endif

  " User-provided (ie. optional) fix-it-up command
  if exists("*NetReadFixup")
    "   call Decho("calling NetReadFixup(method<".a:method."> line1=".line1." line2=".line2.")",'~'.expand("<slnum>"))
    NetrwKeepj call NetReadFixup(a:method, line1, line2)
    "  else " Decho
    "   call Decho("NetReadFixup() not called, doesn't exist  (line1=".line1." line2=".line2.")",'~'.expand("<slnum>"))
  endif

  if has("gui") && has("menu") && has("gui_running") && &go =~# 'm' && g:netrw_menu
    " update the Buffers menu
    NetrwKeepj call s:UpdateBuffersMenu()
  endif

  "  call Decho("readcmd<".a:readcmd."> cmdarg<".v:cmdarg."> tfile<".a:tfile."> readable=".s:FileReadable(a:tfile),'~'.expand("<slnum>"))

  " make sure file is being displayed
  "  redraw!

  "  call Decho(" ro=".&l:ro." ma=".&l:ma." mod=".&l:mod." wrap=".&l:wrap." (filename<".expand("%")."> win#".winnr()." ft<".&ft.">)",'~'.expand("<slnum>"))
  "  call Dret("NetrwGetFile")
endfun

" ------------------------------------------------------------------------
" s:NetrwMethod:  determine method of transfer {{{2
" Input:
"   choice = url   [protocol:]//[userid@]hostname[:port]/[path-to-file]
" Output:
"  b:netrw_method= 1: rcp
"                  2: ftp + <.netrc>
"                  3: ftp + machine, id, password, and [path]filename
"                  4: scp
"                  5: http[s] (wget)
"                  6: dav
"                  7: rsync
"                  8: fetch
"                  9: sftp
"                 10: file
"  g:netrw_machine= hostname
"  b:netrw_fname  = filename
"  g:netrw_port   = optional port number (for ftp)
"  g:netrw_choice = copy of input url (choice)
fun! s:NetrwMethod(choice)
  "   call Dfunc("s:NetrwMethod(a:choice<".a:choice.">)")

  " sanity check: choice should have at least three slashes in it
  if strlen(substitute(a:choice,'[^/]','','g')) < 3
    call netrw#ErrorMsg(s:ERROR,"not a netrw-style url; netrw uses protocol://[user@]hostname[:port]/[path])",78)
    let b:netrw_method = -1
    "    call Dret("s:NetrwMethod : incorrect url format<".a:choice.">")
    return
  endif

  " record current g:netrw_machine, if any
  " curmachine used if protocol == ftp and no .netrc
  if exists("g:netrw_machine")
    let curmachine= g:netrw_machine
  "    call Decho("curmachine<".curmachine.">",'~'.expand("<slnum>"))
  else
    let curmachine= "N O T A HOST"
  endif
  if exists("g:netrw_port")
    let netrw_port= g:netrw_port
  endif

  " insure that netrw_ftp_cmd starts off every method determination
  " with the current g:netrw_ftp_cmd
  let s:netrw_ftp_cmd= g:netrw_ftp_cmd

  " initialization
  let b:netrw_method  = 0
  let g:netrw_machine = ""
  let b:netrw_fname   = ""
  let g:netrw_port    = ""
  let g:netrw_choice  = a:choice

  " Patterns:
  " mipf     : a:machine a:id password filename      Use ftp
  " mf      : a:machine filename                     Use ftp + <.netrc> or g:netrw_uid s:netrw_passwd
  " ftpurm   : ftp://[user@]host[[#:]port]/filename  Use ftp + <.netrc> or g:netrw_uid s:netrw_passwd
  " rcpurm   : rcp://[user@]host/filename            Use rcp
  " rcphf    : [user@]host:filename                  Use rcp
  " scpurm   : scp://[user@]host[[#:]port]/filename  Use scp
  " httpurm  : http[s]://[user@]host/filename        Use wget
  " davurm   : dav[s]://host[:port]/path             Use cadaver/curl
  " rsyncurm : rsync://host[:port]/path              Use rsync
  " fetchurm : fetch://[user@]host[:http]/filename   Use fetch (defaults to ftp, override for http)
  " sftpurm  : sftp://[user@]host/filename  Use scp
  " fileurm  : file://[user@]host/filename           Use elinks or links
  let mipf     = '^\(\S\+\)\s\+\(\S\+\)\s\+\(\S\+\)\s\+\(\S\+\)$'
  let mf       = '^\(\S\+\)\s\+\(\S\+\)$'
  let ftpurm   = '^ftp://\(\([^/]*\)@\)\=\([^/#:]\{-}\)\([#:]\d\+\)\=/\(.*\)$'
  let rcpurm   = '^rcp://\%(\([^/]*\)@\)\=\([^/]\{-}\)/\(.*\)$'
  let rcphf    = '^\(\(\h\w*\)@\)\=\(\h\w*\):\([^@]\+\)$'
  let scpurm   = '^scp://\([^/#:]\+\)\%([#:]\(\d\+\)\)\=/\(.*\)$'
  let httpurm  = '^https\=://\([^/]\{-}\)\(/.*\)\=$'
  let davurm   = '^davs\=://\([^/]\+\)/\(.*/\)\([-_.~[:alnum:]]\+\)$'
  let rsyncurm = '^rsync://\([^/]\{-}\)/\(.*\)\=$'
  let fetchurm = '^fetch://\(\([^/]*\)@\)\=\([^/#:]\{-}\)\(:http\)\=/\(.*\)$'
  let sftpurm  = '^sftp://\([^/]\{-}\)/\(.*\)\=$'
  let fileurm  = '^file\=://\(.*\)$'

  "  call Decho("determine method:",'~'.expand("<slnum>"))
  " Determine Method
  " Method#1: rcp://user@hostname/...path-to-file {{{3
  if match(a:choice,rcpurm) == 0
    "   call Decho("rcp://...",'~'.expand("<slnum>"))
    let b:netrw_method  = 1
    let userid          = substitute(a:choice,rcpurm,'\1',"")
    let g:netrw_machine = substitute(a:choice,rcpurm,'\2',"")
    let b:netrw_fname   = substitute(a:choice,rcpurm,'\3',"")
    if userid != ""
      let g:netrw_uid= userid
    endif

  " Method#4: scp://user@hostname/...path-to-file {{{3
  elseif match(a:choice,scpurm) == 0
    "   call Decho("scp://...",'~'.expand("<slnum>"))
    let b:netrw_method  = 4
    let g:netrw_machine = substitute(a:choice,scpurm,'\1',"")
    let g:netrw_port    = substitute(a:choice,scpurm,'\2',"")
    let b:netrw_fname   = substitute(a:choice,scpurm,'\3',"")

  " Method#5: http[s]://user@hostname/...path-to-file {{{3
  elseif match(a:choice,httpurm) == 0
    "   call Decho("http[s]://...",'~'.expand("<slnum>"))
    let b:netrw_method = 5
    let g:netrw_machine= substitute(a:choice,httpurm,'\1',"")
    let b:netrw_fname  = substitute(a:choice,httpurm,'\2',"")
    let b:netrw_http   = (a:choice =~ '^https:')? "https" : "http"

  " Method#6: dav://hostname[:port]/..path-to-file.. {{{3
  elseif match(a:choice,davurm) == 0
    "   call Decho("dav://...",'~'.expand("<slnum>"))
    let b:netrw_method= 6
    if a:choice =~ 'davs:'
      let g:netrw_machine= 'https://'.substitute(a:choice,davurm,'\1/\2',"")
    else
      let g:netrw_machine= 'http://'.substitute(a:choice,davurm,'\1/\2',"")
    endif
    let b:netrw_fname  = substitute(a:choice,davurm,'\3',"")

  " Method#7: rsync://user@hostname/...path-to-file {{{3
  elseif match(a:choice,rsyncurm) == 0
    "   call Decho("rsync://...",'~'.expand("<slnum>"))
    let b:netrw_method = 7
    let g:netrw_machine= substitute(a:choice,rsyncurm,'\1',"")
    let b:netrw_fname  = substitute(a:choice,rsyncurm,'\2',"")

  " Methods 2,3: ftp://[user@]hostname[[:#]port]/...path-to-file {{{3
  elseif match(a:choice,ftpurm) == 0
    "   call Decho("ftp://...",'~'.expand("<slnum>"))
    let userid         = substitute(a:choice,ftpurm,'\2',"")
    let g:netrw_machine= substitute(a:choice,ftpurm,'\3',"")
    let g:netrw_port   = substitute(a:choice,ftpurm,'\4',"")
    let b:netrw_fname  = substitute(a:choice,ftpurm,'\5',"")
    "   call Decho("g:netrw_machine<".g:netrw_machine.">",'~'.expand("<slnum>"))
    if userid != ""
      let g:netrw_uid= userid
    endif

    if curmachine != g:netrw_machine
      if exists("s:netrw_hup[".g:netrw_machine."]")
        call NetUserPass("ftp:".g:netrw_machine)
      elseif exists("s:netrw_passwd")
        " if there's a change in hostname, require password re-entry
        unlet s:netrw_passwd
      endif
      if exists("netrw_port")
        unlet netrw_port
      endif
    endif

    if exists("g:netrw_uid") && exists("s:netrw_passwd")
      let b:netrw_method = 3
    else
      let host= substitute(g:netrw_machine,'\..*$','','')
      if exists("s:netrw_hup[host]")
        call NetUserPass("ftp:".host)

      elseif has("win32") && s:netrw_ftp_cmd =~# '-[sS]:'
        "     call Decho("has -s: : s:netrw_ftp_cmd<".s:netrw_ftp_cmd.">",'~'.expand("<slnum>"))
        "     call Decho("          g:netrw_ftp_cmd<".g:netrw_ftp_cmd.">",'~'.expand("<slnum>"))
        if g:netrw_ftp_cmd =~# '-[sS]:\S*MACHINE\>'
          let s:netrw_ftp_cmd= substitute(g:netrw_ftp_cmd,'\<MACHINE\>',g:netrw_machine,'')
          "      call Decho("s:netrw_ftp_cmd<".s:netrw_ftp_cmd.">",'~'.expand("<slnum>"))
        endif
        let b:netrw_method= 2
      elseif s:FileReadable(expand("$HOME/.netrc")) && !g:netrw_ignorenetrc
        "     call Decho("using <".expand("$HOME/.netrc")."> (readable)",'~'.expand("<slnum>"))
        let b:netrw_method= 2
      else
        if !exists("g:netrw_uid") || g:netrw_uid == ""
          call NetUserPass()
        elseif !exists("s:netrw_passwd") || s:netrw_passwd == ""
          call NetUserPass(g:netrw_uid)
          " else just use current g:netrw_uid and s:netrw_passwd
        endif
        let b:netrw_method= 3
      endif
    endif

  " Method#8: fetch {{{3
  elseif match(a:choice,fetchurm) == 0
    "   call Decho("fetch://...",'~'.expand("<slnum>"))
    let b:netrw_method = 8
    let g:netrw_userid = substitute(a:choice,fetchurm,'\2',"")
    let g:netrw_machine= substitute(a:choice,fetchurm,'\3',"")
    let b:netrw_option = substitute(a:choice,fetchurm,'\4',"")
    let b:netrw_fname  = substitute(a:choice,fetchurm,'\5',"")

  " Method#3: Issue an ftp : "machine id password [path/]filename" {{{3
  elseif match(a:choice,mipf) == 0
    "   call Decho("(ftp) host id pass file",'~'.expand("<slnum>"))
    let b:netrw_method  = 3
    let g:netrw_machine = substitute(a:choice,mipf,'\1',"")
    let g:netrw_uid     = substitute(a:choice,mipf,'\2',"")
    let s:netrw_passwd  = substitute(a:choice,mipf,'\3',"")
    let b:netrw_fname   = substitute(a:choice,mipf,'\4',"")
    call NetUserPass(g:netrw_machine,g:netrw_uid,s:netrw_passwd)

  " Method#3: Issue an ftp: "hostname [path/]filename" {{{3
  elseif match(a:choice,mf) == 0
    "   call Decho("(ftp) host file",'~'.expand("<slnum>"))
    if exists("g:netrw_uid") && exists("s:netrw_passwd")
      let b:netrw_method  = 3
      let g:netrw_machine = substitute(a:choice,mf,'\1',"")
      let b:netrw_fname   = substitute(a:choice,mf,'\2',"")

    elseif s:FileReadable(expand("$HOME/.netrc"))
      let b:netrw_method  = 2
      let g:netrw_machine = substitute(a:choice,mf,'\1',"")
      let b:netrw_fname   = substitute(a:choice,mf,'\2',"")
    endif

  " Method#9: sftp://user@hostname/...path-to-file {{{3
  elseif match(a:choice,sftpurm) == 0
    "   call Decho("sftp://...",'~'.expand("<slnum>"))
    let b:netrw_method = 9
    let g:netrw_machine= substitute(a:choice,sftpurm,'\1',"")
    let b:netrw_fname  = substitute(a:choice,sftpurm,'\2',"")

  " Method#1: Issue an rcp: hostname:filename"  (this one should be last) {{{3
  elseif match(a:choice,rcphf) == 0
    "   call Decho("(rcp) [user@]host:file) rcphf<".rcphf.">",'~'.expand("<slnum>"))
    let b:netrw_method  = 1
    let userid          = substitute(a:choice,rcphf,'\2',"")
    let g:netrw_machine = substitute(a:choice,rcphf,'\3',"")
    let b:netrw_fname   = substitute(a:choice,rcphf,'\4',"")
    "   call Decho('\1<'.substitute(a:choice,rcphf,'\1',"").">",'~'.expand("<slnum>"))
    "   call Decho('\2<'.substitute(a:choice,rcphf,'\2',"").">",'~'.expand("<slnum>"))
    "   call Decho('\3<'.substitute(a:choice,rcphf,'\3',"").">",'~'.expand("<slnum>"))
    "   call Decho('\4<'.substitute(a:choice,rcphf,'\4',"").">",'~'.expand("<slnum>"))
    if userid != ""
      let g:netrw_uid= userid
    endif

  " Method#10: file://user@hostname/...path-to-file {{{3
  elseif match(a:choice,fileurm) == 0 && exists("g:netrw_file_cmd")
    "   call Decho("http[s]://...",'~'.expand("<slnum>"))
    let b:netrw_method = 10
    let b:netrw_fname  = substitute(a:choice,fileurm,'\1',"")
  "   call Decho('\1<'.substitute(a:choice,fileurm,'\1',"").">",'~'.expand("<slnum>"))

  " Cannot Determine Method {{{3
  else
    if !exists("g:netrw_quiet")
      call netrw#ErrorMsg(s:WARNING,"cannot determine method (format: protocol://[user@]hostname[:port]/[path])",45)
    endif
    let b:netrw_method  = -1
  endif
  "}}}3

  if g:netrw_port != ""
    " remove any leading [:#] from port number
    let g:netrw_port = substitute(g:netrw_port,'[#:]\+','','')
  elseif exists("netrw_port")
    " retain port number as implicit for subsequent ftp operations
    let g:netrw_port= netrw_port
  endif

  "  call Decho("a:choice       <".a:choice.">",'~'.expand("<slnum>"))
  "  call Decho("b:netrw_method <".b:netrw_method.">",'~'.expand("<slnum>"))
  "  call Decho("g:netrw_machine<".g:netrw_machine.">",'~'.expand("<slnum>"))
  "  call Decho("g:netrw_port   <".g:netrw_port.">",'~'.expand("<slnum>"))
  "  if exists("g:netrw_uid")             "Decho
  "   call Decho("g:netrw_uid    <".g:netrw_uid.">",'~'.expand("<slnum>"))
  "  endif                                        "Decho
  "  if exists("s:netrw_passwd")          "Decho
  "   call Decho("s:netrw_passwd <".s:netrw_passwd.">",'~'.expand("<slnum>"))
  "  endif                                        "Decho
  "  call Decho("b:netrw_fname  <".b:netrw_fname.">",'~'.expand("<slnum>"))
  "  call Dret("s:NetrwMethod : b:netrw_method=".b:netrw_method." g:netrw_port=".g:netrw_port)
endfun

" ---------------------------------------------------------------------
" NetUserPass: set username and password for subsequent ftp transfer {{{2
"   Usage:  :call NetUserPass()                        -- will prompt for userid and password
"           :call NetUserPass("uid")                   -- will prompt for password
"           :call NetUserPass("uid","password")        -- sets global userid and password
"           :call NetUserPass("ftp:host")              -- looks up userid and password using hup dictionary
"           :call NetUserPass("host","uid","password") -- sets hup dictionary with host, userid, password
fun! NetUserPass(...)

  " call Dfunc("NetUserPass() a:0=".a:0)

  if !exists('s:netrw_hup')
    let s:netrw_hup= {}
  endif

  if a:0 == 0
    " case: no input arguments

    " change host and username if not previously entered; get new password
    if !exists("g:netrw_machine")
      let g:netrw_machine= input('Enter hostname: ')
    endif
    if !exists("g:netrw_uid") || g:netrw_uid == ""
      " get username (user-id) via prompt
      let g:netrw_uid= input('Enter username: ')
    endif
    " get password via prompting
    let s:netrw_passwd= inputsecret("Enter Password: ")

    " set up hup database
    let host = substitute(g:netrw_machine,'\..*$','','')
    if !exists('s:netrw_hup[host]')
      let s:netrw_hup[host]= {}
    endif
    let s:netrw_hup[host].uid    = g:netrw_uid
    let s:netrw_hup[host].passwd = s:netrw_passwd

  elseif a:0 == 1
    " case: one input argument

    if a:1 =~ '^ftp:'
      " get host from ftp:... url
      " access userid and password from hup (host-user-passwd) dictionary
      "   call Decho("case a:0=1: a:1<".a:1."> (get host from ftp:... url)",'~'.expand("<slnum>"))
      let host = substitute(a:1,'^ftp:','','')
      let host = substitute(host,'\..*','','')
      if exists("s:netrw_hup[host]")
        let g:netrw_uid    = s:netrw_hup[host].uid
        let s:netrw_passwd = s:netrw_hup[host].passwd
      "    call Decho("get s:netrw_hup[".host."].uid   <".s:netrw_hup[host].uid.">",'~'.expand("<slnum>"))
      "    call Decho("get s:netrw_hup[".host."].passwd<".s:netrw_hup[host].passwd.">",'~'.expand("<slnum>"))
      else
        let g:netrw_uid    = input("Enter UserId: ")
        let s:netrw_passwd = inputsecret("Enter Password: ")
      endif

    else
      " case: one input argument, not an url.  Using it as a new user-id.
      "   call Decho("case a:0=1: a:1<".a:1."> (get host from input argument, not an url)",'~'.expand("<slnum>"))
      if exists("g:netrw_machine")
        if g:netrw_machine =~ '[0-9.]\+'
          let host= g:netrw_machine
        else
          let host= substitute(g:netrw_machine,'\..*$','','')
        endif
      else
        let g:netrw_machine= input('Enter hostname: ')
      endif
      let g:netrw_uid = a:1
      "   call Decho("set g:netrw_uid= <".g:netrw_uid.">",'~'.expand("<slnum>"))
      if exists("g:netrw_passwd")
        " ask for password if one not previously entered
        let s:netrw_passwd= g:netrw_passwd
      else
        let s:netrw_passwd = inputsecret("Enter Password: ")
      endif
    endif

    "  call Decho("host<".host.">",'~'.expand("<slnum>"))
    if exists("host")
      if !exists('s:netrw_hup[host]')
        let s:netrw_hup[host]= {}
      endif
      let s:netrw_hup[host].uid    = g:netrw_uid
      let s:netrw_hup[host].passwd = s:netrw_passwd
    endif

  elseif a:0 == 2
    let g:netrw_uid    = a:1
    let s:netrw_passwd = a:2

  elseif a:0 == 3
    " enter hostname, user-id, and password into the hup dictionary
    let host = substitute(a:1,'^\a\+:','','')
    let host = substitute(host,'\..*$','','')
    if !exists('s:netrw_hup[host]')
      let s:netrw_hup[host]= {}
    endif
    let s:netrw_hup[host].uid    = a:2
    let s:netrw_hup[host].passwd = a:3
    let g:netrw_uid              = s:netrw_hup[host].uid
    let s:netrw_passwd           = s:netrw_hup[host].passwd
    "  call Decho("set s:netrw_hup[".host."].uid   <".s:netrw_hup[host].uid.">",'~'.expand("<slnum>"))
    "  call Decho("set s:netrw_hup[".host."].passwd<".s:netrw_hup[host].passwd.">",'~'.expand("<slnum>"))
  endif

  " call Dret("NetUserPass : uid<".g:netrw_uid."> passwd<".s:netrw_passwd.">")
endfun

" =================================
"  Shared Browsing Support:    {{{1
" =================================

" ---------------------------------------------------------------------
" s:ExplorePatHls: converts an Explore pattern into a regular expression search pattern {{{2
fun! s:ExplorePatHls(pattern)
  "  call Dfunc("s:ExplorePatHls(pattern<".a:pattern.">)")
  let repat= substitute(a:pattern,'^**/\{1,2}','','')
  "  call Decho("repat<".repat.">",'~'.expand("<slnum>"))
  let repat= escape(repat,'][.\')
  "  call Decho("repat<".repat.">",'~'.expand("<slnum>"))
  let repat= '\<'.substitute(repat,'\*','\\(\\S\\+ \\)*\\S\\+','g').'\>'
  "  call Dret("s:ExplorePatHls repat<".repat.">")
  return repat
endfun

" ---------------------------------------------------------------------
"  s:NetrwBookHistHandler: {{{2
"    0: (user: <mb>)   bookmark current directory
"    1: (user: <gb>)   change to the bookmarked directory
"    2: (user: <qb>)   list bookmarks
"    3: (browsing)     records current directory history
"    4: (user: <u>)    go up   (previous) directory, using history
"    5: (user: <U>)    go down (next)     directory, using history
"    6: (user: <mB>)   delete bookmark
fun! s:NetrwBookHistHandler(chg,curdir)
  "  call Dfunc("s:NetrwBookHistHandler(chg=".a:chg." curdir<".a:curdir.">) cnt=".v:count." histcnt=".g:netrw_dirhistcnt." histmax=".g:netrw_dirhistmax)
  if !exists("g:netrw_dirhistmax") || g:netrw_dirhistmax <= 0
    "   "  call Dret("s:NetrwBookHistHandler - suppressed due to g:netrw_dirhistmax")
    return
  endif

  let ykeep    = @@
  let curbufnr = bufnr("%")

  if a:chg == 0
    " bookmark the current directory
    "   call Decho("(user: <b>) bookmark the current directory",'~'.expand("<slnum>"))
    if exists("s:netrwmarkfilelist_{curbufnr}")
      call s:NetrwBookmark(0)
      echo "bookmarked marked files"
    else
      call s:MakeBookmark(a:curdir)
      echo "bookmarked the current directory"
    endif

    try
      call s:NetrwBookHistSave()
    catch
    endtry

  elseif a:chg == 1
    " change to the bookmarked directory
    "   call Decho("(user: <".v:count."gb>) change to the bookmarked directory",'~'.expand("<slnum>"))
    if exists("g:netrw_bookmarklist[v:count-1]")
      "    call Decho("(user: <".v:count."gb>) bookmarklist=".string(g:netrw_bookmarklist),'~'.expand("<slnum>"))
      exe "NetrwKeepj e ".fnameescape(g:netrw_bookmarklist[v:count-1])
    else
      echomsg "Sorry, bookmark#".v:count." doesn't exist!"
    endif

  elseif a:chg == 2
    "   redraw!
    let didwork= 0
    " list user's bookmarks
    "   call Decho("(user: <q>) list user's bookmarks",'~'.expand("<slnum>"))
    if exists("g:netrw_bookmarklist")
      "    call Decho('list '.len(g:netrw_bookmarklist).' bookmarks','~'.expand("<slnum>"))
      let cnt= 1
      for bmd in g:netrw_bookmarklist
        "     call Decho("Netrw Bookmark#".cnt.": ".g:netrw_bookmarklist[cnt-1],'~'.expand("<slnum>"))
        echo printf("Netrw Bookmark#%-2d: %s",cnt,g:netrw_bookmarklist[cnt-1])
        let didwork = 1
        let cnt     = cnt + 1
      endfor
    endif

    " list directory history
    " Note: history is saved only when PerformListing is done;
    "       ie. when netrw can re-use a netrw buffer, the current directory is not saved in the history.
    let cnt     = g:netrw_dirhistcnt
    let first   = 1
    let histcnt = 0
    if g:netrw_dirhistmax > 0
      while ( first || cnt != g:netrw_dirhistcnt )
        "    call Decho("first=".first." cnt=".cnt." dirhistcnt=".g:netrw_dirhistcnt,'~'.expand("<slnum>"))
        if exists("g:netrw_dirhist_{cnt}")
          "     call Decho("Netrw  History#".histcnt.": ".g:netrw_dirhist_{cnt},'~'.expand("<slnum>"))
          echo printf("Netrw  History#%-2d: %s",histcnt,g:netrw_dirhist_{cnt})
          let didwork= 1
        endif
        let histcnt = histcnt + 1
        let first   = 0
        let cnt     = ( cnt - 1 ) % g:netrw_dirhistmax
        if cnt < 0
          let cnt= cnt + g:netrw_dirhistmax
        endif
      endwhile
    else
      let g:netrw_dirhistcnt= 0
    endif
    if didwork
      call inputsave()|call input("Press <cr> to continue")|call inputrestore()
    endif

  elseif a:chg == 3
    " saves most recently visited directories (when they differ)
    "   call Decho("(browsing) record curdir history",'~'.expand("<slnum>"))
    if !exists("g:netrw_dirhistcnt") || !exists("g:netrw_dirhist_{g:netrw_dirhistcnt}") || g:netrw_dirhist_{g:netrw_dirhistcnt} != a:curdir
      if g:netrw_dirhistmax > 0
        let g:netrw_dirhistcnt                   = ( g:netrw_dirhistcnt + 1 ) % g:netrw_dirhistmax
        let g:netrw_dirhist_{g:netrw_dirhistcnt} = a:curdir
      endif
      "    call Decho("save dirhist#".g:netrw_dirhistcnt."<".g:netrw_dirhist_{g:netrw_dirhistcnt}.">",'~'.expand("<slnum>"))
    endif

  elseif a:chg == 4
    " u: change to the previous directory stored on the history list
    "   call Decho("(user: <u>) chg to prev dir from history",'~'.expand("<slnum>"))
    if g:netrw_dirhistmax > 0
      let g:netrw_dirhistcnt= ( g:netrw_dirhistcnt - v:count1 ) % g:netrw_dirhistmax
      if g:netrw_dirhistcnt < 0
        let g:netrw_dirhistcnt= g:netrw_dirhistcnt + g:netrw_dirhistmax
      endif
    else
      let g:netrw_dirhistcnt= 0
    endif
    if exists("g:netrw_dirhist_{g:netrw_dirhistcnt}")
      "    call Decho("changedir u#".g:netrw_dirhistcnt."<".g:netrw_dirhist_{g:netrw_dirhistcnt}.">",'~'.expand("<slnum>"))
      if exists("w:netrw_liststyle") && w:netrw_liststyle == s:TREELIST && exists("b:netrw_curdir")
        setl ma noro
        "     call Decho("setl ma noro",'~'.expand("<slnum>"))
        sil! NetrwKeepj %d _
        setl nomod
        "     call Decho("setl nomod",'~'.expand("<slnum>"))
        "     call Decho(" ro=".&l:ro." ma=".&l:ma." mod=".&l:mod." wrap=".&l:wrap." (filename<".expand("%")."> win#".winnr()." ft<".&ft.">)",'~'.expand("<slnum>"))
      endif
      "    call Decho("exe e! ".fnameescape(g:netrw_dirhist_{g:netrw_dirhistcnt}),'~'.expand("<slnum>"))
      exe "NetrwKeepj e! ".fnameescape(g:netrw_dirhist_{g:netrw_dirhistcnt})
    else
      if g:netrw_dirhistmax > 0
        let g:netrw_dirhistcnt= ( g:netrw_dirhistcnt + v:count1 ) % g:netrw_dirhistmax
      else
        let g:netrw_dirhistcnt= 0
      endif
      echo "Sorry, no predecessor directory exists yet"
    endif

  elseif a:chg == 5
    " U: change to the subsequent directory stored on the history list
    "   call Decho("(user: <U>) chg to next dir from history",'~'.expand("<slnum>"))
    if g:netrw_dirhistmax > 0
      let g:netrw_dirhistcnt= ( g:netrw_dirhistcnt + 1 ) % g:netrw_dirhistmax
      if exists("g:netrw_dirhist_{g:netrw_dirhistcnt}")
        "    call Decho("changedir U#".g:netrw_dirhistcnt."<".g:netrw_dirhist_{g:netrw_dirhistcnt}.">",'~'.expand("<slnum>"))
        if exists("w:netrw_liststyle") && w:netrw_liststyle == s:TREELIST && exists("b:netrw_curdir")
          "      call Decho("setl ma noro",'~'.expand("<slnum>"))
          setl ma noro
          sil! NetrwKeepj %d _
          "      call Decho("removed all lines from buffer (%d)",'~'.expand("<slnum>"))
          "      call Decho("setl nomod",'~'.expand("<slnum>"))
          setl nomod
          "      call Decho("(set nomod)  ro=".&l:ro." ma=".&l:ma." mod=".&l:mod." wrap=".&l:wrap." (filename<".expand("%")."> win#".winnr()." ft<".&ft.">)",'~'.expand("<slnum>"))
        endif
        "    call Decho("exe e! ".fnameescape(g:netrw_dirhist_{g:netrw_dirhistcnt}),'~'.expand("<slnum>"))
        exe "NetrwKeepj e! ".fnameescape(g:netrw_dirhist_{g:netrw_dirhistcnt})
      else
        let g:netrw_dirhistcnt= ( g:netrw_dirhistcnt - 1 ) % g:netrw_dirhistmax
        if g:netrw_dirhistcnt < 0
          let g:netrw_dirhistcnt= g:netrw_dirhistcnt + g:netrw_dirhistmax
        endif
        echo "Sorry, no successor directory exists yet"
      endif
    else
      let g:netrw_dirhistcnt= 0
      echo "Sorry, no successor directory exists yet (g:netrw_dirhistmax is ".g:netrw_dirhistmax.")"
    endif

  elseif a:chg == 6
    "   call Decho("(user: <mB>) delete bookmark'd directory",'~'.expand("<slnum>"))
    if exists("s:netrwmarkfilelist_{curbufnr}")
      call s:NetrwBookmark(1)
      echo "removed marked files from bookmarks"
    else
      " delete the v:count'th bookmark
      let iremove = v:count
      let dremove = g:netrw_bookmarklist[iremove - 1]
      "    call Decho("delete bookmark#".iremove."<".g:netrw_bookmarklist[iremove - 1].">",'~'.expand("<slnum>"))
      call s:MergeBookmarks()
      "    call Decho("remove g:netrw_bookmarklist[".(iremove-1)."]<".g:netrw_bookmarklist[(iremove-1)].">",'~'.expand("<slnum>"))
      NetrwKeepj call remove(g:netrw_bookmarklist,iremove-1)
      echo "removed ".dremove." from g:netrw_bookmarklist"
      "    call Decho("g:netrw_bookmarklist=".string(g:netrw_bookmarklist),'~'.expand("<slnum>"))
    endif
    "   call Decho("resulting g:netrw_bookmarklist=".string(g:netrw_bookmarklist),'~'.expand("<slnum>"))

    try
      call s:NetrwBookHistSave()
    catch
    endtry
  endif
  call s:NetrwBookmarkMenu()
  call s:NetrwTgtMenu()
  let @@= ykeep
  "  call Dret("s:NetrwBookHistHandler")
endfun

" ---------------------------------------------------------------------
" s:NetrwBookHistRead: this function reads bookmarks and history {{{2
"  Will source the history file (.netrwhist) only if the g:netrw_disthistmax is > 0.
"                      Sister function: s:NetrwBookHistSave()
fun! s:NetrwBookHistRead()
  "  call Dfunc("s:NetrwBookHistRead()")
  if !exists("g:netrw_dirhistmax") || g:netrw_dirhistmax <= 0
    "   call Dret("s:NetrwBookHistRead - nothing read (suppressed due to dirhistmax=".(exists("g:netrw_dirhistmax")? g:netrw_dirhistmax : "n/a").")")
    return
  endif
  let ykeep= @@

  " read bookmarks
  if !exists("s:netrw_initbookhist")
    let home    = s:NetrwHome()
    let savefile= home."/.netrwbook"
    if filereadable(s:NetrwFile(savefile))
      "    call Decho("sourcing .netrwbook",'~'.expand("<slnum>"))
      exe "keepalt NetrwKeepj so ".savefile
    endif

    " read history
    if g:netrw_dirhistmax > 0
      let savefile= home."/.netrwhist"
      if filereadable(s:NetrwFile(savefile))
        "    call Decho("sourcing .netrwhist",'~'.expand("<slnum>"))
        exe "keepalt NetrwKeepj so ".savefile
      endif
      let s:netrw_initbookhist= 1
      au VimLeave * call s:NetrwBookHistSave()
    endif
  endif

  let @@= ykeep
  "  call Decho("dirhistmax=".(exists("g:netrw_dirhistmax")? g:netrw_dirhistmax : "n/a"),'~'.expand("<slnum>"))
  "  call Decho("dirhistcnt=".(exists("g:netrw_dirhistcnt")? g:netrw_dirhistcnt : "n/a"),'~'.expand("<slnum>"))
  "  call Dret("s:NetrwBookHistRead")
endfun

" ---------------------------------------------------------------------
" s:NetrwBookHistSave: this function saves bookmarks and history to files {{{2
"                      Sister function: s:NetrwBookHistRead()
"                      I used to do this via viminfo but that appears to
"                      be unreliable for long-term storage
"                      If g:netrw_dirhistmax is <= 0, no history or bookmarks
"                      will be saved.
"                      (s:NetrwBookHistHandler(3,...) used to record history)
fun! s:NetrwBookHistSave()
  "  call Dfunc("s:NetrwBookHistSave() dirhistmax=".g:netrw_dirhistmax." dirhistcnt=".g:netrw_dirhistcnt)
  if !exists("g:netrw_dirhistmax") || g:netrw_dirhistmax <= 0
    "   call Dret("s:NetrwBookHistSave : nothing saved (dirhistmax=".g:netrw_dirhistmax.")")
    return
  endif

  let savefile= s:NetrwHome()."/.netrwhist"
  "  call Decho("savefile<".savefile.">",'~'.expand("<slnum>"))
  1split

  " setting up a new buffer which will become .netrwhist
  call s:NetrwEnew()
  "  call Decho("case g:netrw_use_noswf=".g:netrw_use_noswf.(exists("+acd")? " +acd" : " -acd"),'~'.expand("<slnum>"))
  if g:netrw_use_noswf
    setl cino= com= cpo-=a cpo-=A fo=nroql2 tw=0 report=10000 noswf
  else
    setl cino= com= cpo-=a cpo-=A fo=nroql2 tw=0 report=10000
  endif
  setl nocin noai noci magic nospell nohid wig= noaw
  setl ma noro write
  if exists("+acd") | setl noacd | endif
  sil! NetrwKeepj keepalt %d _

  " rename enew'd file: .netrwhist -- no attempt to merge
  " record dirhistmax and current dirhistcnt
  " save history
  "  call Decho("saving history: dirhistmax=".g:netrw_dirhistmax." dirhistcnt=".g:netrw_dirhistcnt." lastline=".line("$"),'~'.expand("<slnum>"))
  sil! keepalt file .netrwhist
  call setline(1,"let g:netrw_dirhistmax  =".g:netrw_dirhistmax)
  call setline(2,"let g:netrw_dirhistcnt =".g:netrw_dirhistcnt)
  if g:netrw_dirhistmax > 0
    let lastline = line("$")
    let cnt      = g:netrw_dirhistcnt
    let first    = 1
    while ( first || cnt != g:netrw_dirhistcnt )
      let lastline= lastline + 1
      if exists("g:netrw_dirhist_{cnt}")
        call setline(lastline,'let g:netrw_dirhist_'.cnt."='".g:netrw_dirhist_{cnt}."'")
        "     call Decho("..".lastline.'let g:netrw_dirhist_'.cnt."='".g:netrw_dirhist_{cnt}."'",'~'.expand("<slnum>"))
      endif
      let first   = 0
      let cnt     = ( cnt - 1 ) % g:netrw_dirhistmax
      if cnt < 0
        let cnt= cnt + g:netrw_dirhistmax
      endif
    endwhile
    exe "sil! w! ".savefile
    "   call Decho("exe sil! w! ".savefile,'~'.expand("<slnum>"))
  endif

  " save bookmarks
  sil NetrwKeepj %d _
  if exists("g:netrw_bookmarklist") && g:netrw_bookmarklist != []
    "   call Decho("saving bookmarks",'~'.expand("<slnum>"))
    " merge and write .netrwbook
    let savefile= s:NetrwHome()."/.netrwbook"

    if filereadable(s:NetrwFile(savefile))
      let booklist= deepcopy(g:netrw_bookmarklist)
      exe "sil NetrwKeepj keepalt so ".savefile
      for bdm in booklist
        if index(g:netrw_bookmarklist,bdm) == -1
          call add(g:netrw_bookmarklist,bdm)
        endif
      endfor
      call sort(g:netrw_bookmarklist)
    endif

    " construct and save .netrwbook
    call setline(1,"let g:netrw_bookmarklist= ".string(g:netrw_bookmarklist))
    exe "sil! w! ".savefile
    "   call Decho("exe sil! w! ".savefile,'~'.expand("<slnum>"))
  endif

  " cleanup -- remove buffer used to construct history
  let bgone= bufnr("%")
  q!
  exe "keepalt ".bgone."bwipe!"

  "  call Dret("s:NetrwBookHistSave")
endfun

" ---------------------------------------------------------------------
" s:NetrwBrowse: This function uses the command in g:netrw_list_cmd to provide a {{{2
"  list of the contents of a local or remote directory.  It is assumed that the
"  g:netrw_list_cmd has a string, USEPORT HOSTNAME, that needs to be substituted
"  with the requested remote hostname first.
"    Often called via:  Explore/e dirname/etc -> netrw#LocalBrowseCheck() -> s:NetrwBrowse()
fun! s:NetrwBrowse(islocal,dirname)
  if !exists("w:netrw_liststyle")|let w:netrw_liststyle= g:netrw_liststyle|endif

  " save alternate-file's filename if w:netrw_rexlocal doesn't exist
  " This is useful when one edits a local file, then :e ., then :Rex
  if a:islocal && !exists("w:netrw_rexfile") && bufname("#") != ""
    let w:netrw_rexfile= bufname("#")
  endif

  " s:NetrwBrowse : initialize history {{{3
  if !exists("s:netrw_initbookhist")
    NetrwKeepj call s:NetrwBookHistRead()
  endif

  " s:NetrwBrowse : simplify the dirname (especially for ".."s in dirnames) {{{3
  if a:dirname !~ '^\a\{3,}://'
    let dirname= simplify(a:dirname)
  else
    let dirname= a:dirname
  endif

  " repoint t:netrw_lexbufnr if appropriate
  if exists("t:netrw_lexbufnr") && bufnr("%") == t:netrw_lexbufnr
    let repointlexbufnr= 1
  endif

  " s:NetrwBrowse : sanity checks: {{{3
  if exists("s:netrw_skipbrowse")
    unlet s:netrw_skipbrowse
    return
  endif
  if !exists("*shellescape")
    NetrwKeepj call netrw#ErrorMsg(s:ERROR,"netrw can't run -- your vim is missing shellescape()",69)
    return
  endif
  if !exists("*fnameescape")
    NetrwKeepj call netrw#ErrorMsg(s:ERROR,"netrw can't run -- your vim is missing fnameescape()",70)
    return
  endif

  " s:NetrwBrowse : save options: {{{3
  call s:NetrwOptionsSave("w:")

  " s:NetrwBrowse : re-instate any marked files {{{3
  if has("syntax") && exists("g:syntax_on") && g:syntax_on
    if exists("s:netrwmarkfilelist_{bufnr('%')}")
      exe "2match netrwMarkFile /".s:netrwmarkfilemtch_{bufnr("%")}."/"
    endif
  endif

  if a:islocal && exists("w:netrw_acdkeep") && w:netrw_acdkeep
    " s:NetrwBrowse : set up "safe" options for local directory/file {{{3
    if s:NetrwLcd(dirname)
      return
    endif

  elseif !a:islocal && dirname !~ '[\/]$' && dirname !~ '^"'
    " s:NetrwBrowse :  remote regular file handler {{{3
    if bufname(dirname) != ""
      exe "NetrwKeepj b ".bufname(dirname)
    else
      " attempt transfer of remote regular file

      " remove any filetype indicator from end of dirname, except for the
      " "this is a directory" indicator (/).
      " There shouldn't be one of those here, anyway.
      let path= substitute(dirname,'[*=@|]\r\=$','','e')
      call s:RemotePathAnalysis(dirname)

      " s:NetrwBrowse : remote-read the requested file into current buffer {{{3
      call s:NetrwEnew(dirname)
      call s:NetrwOptionsSafe(a:islocal)
      setl ma noro
      let b:netrw_curdir = dirname
      let url            = s:method."://".((s:user == "")? "" : s:user."@").s:machine.(s:port ? ":".s:port : "")."/".s:path
      call s:NetrwBufRename(url)
      exe "sil! NetrwKeepj keepalt doau BufReadPre ".fnameescape(s:fname)
      sil call netrw#NetRead(2,url)
      " netrw.vim and tar.vim have already handled decompression of the tarball; avoiding gzip.vim error
      if s:path =~ '.bz2'
        exe "sil NetrwKeepj keepalt doau BufReadPost ".fnameescape(substitute(s:fname,'\.bz2$','',''))
      elseif s:path =~ '.gz'
        exe "sil NetrwKeepj keepalt doau BufReadPost ".fnameescape(substitute(s:fname,'\.gz$','',''))
      elseif s:path =~ '.gz'
        exe "sil NetrwKeepj keepalt doau BufReadPost ".fnameescape(substitute(s:fname,'\.txz$','',''))
      else
        exe "sil NetrwKeepj keepalt doau BufReadPost ".fnameescape(s:fname)
      endif
    endif

    " s:NetrwBrowse : save certain window-oriented variables into buffer-oriented variables {{{3
    call s:SetBufWinVars()
    call s:NetrwOptionsRestore("w:")
    setl ma nomod noro
    return
  endif

  " use buffer-oriented WinVars if buffer variables exist but associated window variables don't {{{3
  call s:UseBufWinVars()

  " set up some variables {{{3
  let b:netrw_browser_active = 1
  let dirname                = dirname
  let s:last_sort_by         = g:netrw_sort_by

  " set up menu {{{3
  NetrwKeepj call s:NetrwMenu(1)

  " get/set-up buffer {{{3
  let svpos  = winsaveview()

  " NetrwGetBuffer might change buffers but s:rexposn_X was set for the
  " previous buffer
  let prevbufnr = bufnr('%')
  let reusing= s:NetrwGetBuffer(a:islocal,dirname)
  if exists("s:rexposn_".prevbufnr)
    let s:rexposn_{bufnr('%')} = s:rexposn_{prevbufnr}
  endif

  " maintain markfile highlighting
  if has("syntax") && exists("g:syntax_on") && g:syntax_on
    if exists("s:netrwmarkfilemtch_{bufnr('%')}") && s:netrwmarkfilemtch_{bufnr("%")} != ""
      exe "2match netrwMarkFile /".s:netrwmarkfilemtch_{bufnr("%")}."/"
    else
      2match none
    endif
  endif
  if reusing && line("$") > 1
    call s:NetrwOptionsRestore("w:")
    setl noma nomod nowrap
    return
  endif

  " set b:netrw_curdir to the new directory name {{{3
  let b:netrw_curdir= dirname
  if b:netrw_curdir =~ '[/\\]$'
    let b:netrw_curdir= substitute(b:netrw_curdir,'[/\\]$','','e')
  endif
  if b:netrw_curdir =~ '\a:$' && has("win32")
    let b:netrw_curdir= b:netrw_curdir."/"
  endif
  if b:netrw_curdir == ''
    if has("amiga")
      " On the Amiga, the empty string connotes the current directory
      let b:netrw_curdir= getcwd()
    else
      " under unix, when the root directory is encountered, the result
      " from the preceding substitute is an empty string.
      let b:netrw_curdir= '/'
    endif
  endif
  if !a:islocal && b:netrw_curdir !~ '/$'
    let b:netrw_curdir= b:netrw_curdir.'/'
  endif

  " ------------
  " (local only) {{{3
  " ------------
  if a:islocal
    " Set up ShellCmdPost handling.  Append current buffer to browselist
    call s:LocalFastBrowser()

    " handle g:netrw_keepdir: set vim's current directory to netrw's notion of the current directory {{{3
    if !g:netrw_keepdir
      if !exists("&l:acd") || !&l:acd
        if s:NetrwLcd(b:netrw_curdir)
          return
        endif
      endif
    endif

  " --------------------------------
  " remote handling: {{{3
  " --------------------------------
  else

    " analyze dirname and g:netrw_list_cmd {{{3
    if dirname =~# "^NetrwTreeListing\>"
      let dirname= b:netrw_curdir
    elseif exists("w:netrw_liststyle") && w:netrw_liststyle == s:TREELIST && exists("b:netrw_curdir")
      let dirname= substitute(b:netrw_curdir,'\\','/','g')
      if dirname !~ '/$'
        let dirname= dirname.'/'
      endif
      let b:netrw_curdir = dirname
    else
      let dirname = substitute(dirname,'\\','/','g')
    endif

    let dirpat  = '^\(\w\{-}\)://\(\w\+@\)\=\([^/]\+\)/\(.*\)$'
    if dirname !~ dirpat
      if !exists("g:netrw_quiet")
        NetrwKeepj call netrw#ErrorMsg(s:ERROR,"netrw doesn't understand your dirname<".dirname.">",20)
      endif
      NetrwKeepj call s:NetrwOptionsRestore("w:")
      setl noma nomod nowrap
      return
    endif
    let b:netrw_curdir= dirname
  endif  " (additional remote handling)

  " -------------------------------
  " Perform Directory Listing: {{{3
  " -------------------------------
  NetrwKeepj call s:NetrwMaps(a:islocal)
  NetrwKeepj call s:NetrwCommands(a:islocal)
  NetrwKeepj call s:PerformListing(a:islocal)

  " restore option(s)
  call s:NetrwOptionsRestore("w:")

  " If there is a rexposn: restore position with rexposn
  " Otherwise            : set rexposn
  if exists("s:rexposn_".bufnr("%"))
    NetrwKeepj call winrestview(s:rexposn_{bufnr('%')})
    if exists("w:netrw_bannercnt") && line(".") < w:netrw_bannercnt
      NetrwKeepj exe w:netrw_bannercnt
    endif
  else
    NetrwKeepj call s:SetRexDir(a:islocal,b:netrw_curdir)
  endif
  if v:version >= 700 && has("balloon_eval") && &beval == 0 && &l:bexpr == "" && !exists("g:netrw_nobeval")
    let &l:bexpr= "netrw#BalloonHelp()"
    setl beval
  endif

  " repoint t:netrw_lexbufnr if appropriate
  if exists("repointlexbufnr")
    let t:netrw_lexbufnr= bufnr("%")
  endif

  " restore position
  if reusing
    call winrestview(svpos)
  endif

  " The s:LocalBrowseRefresh() function is called by an autocmd
  " installed by s:LocalFastBrowser() when g:netrw_fastbrowse <= 1 (ie. slow or medium speed).
  " However, s:NetrwBrowse() causes the FocusGained event to fire the first time.
  return
endfun

" ---------------------------------------------------------------------
" s:NetrwFile: because of g:netrw_keepdir, isdirectory(), type(), etc may or {{{2
" may not apply correctly; ie. netrw's idea of the current directory may
" differ from vim's.  This function insures that netrw's idea of the current
" directory is used.
" Returns a path to the file specified by a:fname
fun! s:NetrwFile(fname)
  "  "" call Dfunc("s:NetrwFile(fname<".a:fname.">) win#".winnr())
  "  "" call Decho("g:netrw_keepdir  =".(exists("g:netrw_keepdir")?   g:netrw_keepdir   : 'n/a'),'~'.expand("<slnum>"))
  "  "" call Decho("g:netrw_cygwin   =".(exists("g:netrw_cygwin")?    g:netrw_cygwin    : 'n/a'),'~'.expand("<slnum>"))
  "  "" call Decho("g:netrw_liststyle=".(exists("g:netrw_liststyle")? g:netrw_liststyle : 'n/a'),'~'.expand("<slnum>"))
  "  "" call Decho("w:netrw_liststyle=".(exists("w:netrw_liststyle")? w:netrw_liststyle : 'n/a'),'~'.expand("<slnum>"))

  " clean up any leading treedepthstring
  if exists("w:netrw_liststyle") && w:netrw_liststyle == s:TREELIST
    let fname= substitute(a:fname,'^'.s:treedepthstring.'\+','','')
  "   "" call Decho("clean up any leading treedepthstring: fname<".fname.">",'~'.expand("<slnum>"))
  else
    let fname= a:fname
  endif

  if g:netrw_keepdir
    " vim's idea of the current directory possibly may differ from netrw's
    if !exists("b:netrw_curdir")
      let b:netrw_curdir= getcwd()
    endif

    if !exists("g:netrw_cygwin") && has("win32")
      if fname =~ '^\' || fname =~ '^\a:\'
        " windows, but full path given
        let ret= fname
      "     "" call Decho("windows+full path: isdirectory(".fname.")",'~'.expand("<slnum>"))
      else
        " windows, relative path given
        let ret= s:ComposePath(b:netrw_curdir,fname)
        "     "" call Decho("windows+rltv path: isdirectory(".fname.")",'~'.expand("<slnum>"))
      endif

    elseif fname =~ '^/'
      " not windows, full path given
      let ret= fname
    "    "" call Decho("unix+full path: isdirectory(".fname.")",'~'.expand("<slnum>"))
    else
      " not windows, relative path given
      let ret= s:ComposePath(b:netrw_curdir,fname)
      "    "" call Decho("unix+rltv path: isdirectory(".fname.")",'~'.expand("<slnum>"))
    endif
  else
    " vim and netrw agree on the current directory
    let ret= fname
    "   "" call Decho("vim and netrw agree on current directory (g:netrw_keepdir=".g:netrw_keepdir.")",'~'.expand("<slnum>"))
    "   "" call Decho("vim   directory: ".getcwd(),'~'.expand("<slnum>"))
    "   "" call Decho("netrw directory: ".(exists("b:netrw_curdir")? b:netrw_curdir : 'n/a'),'~'.expand("<slnum>"))
  endif

  "  "" call Dret("s:NetrwFile ".ret)
  return ret
endfun

" ---------------------------------------------------------------------
" s:NetrwFileInfo: supports qf (query for file information) {{{2
fun! s:NetrwFileInfo(islocal,fname)
  "  call Dfunc("s:NetrwFileInfo(islocal=".a:islocal." fname<".a:fname.">) b:netrw_curdir<".b:netrw_curdir.">")
  let ykeep= @@
  if a:islocal
    let lsopt= "-lsad"
    if g:netrw_sizestyle =~# 'H'
      let lsopt= "-lsadh"
    elseif g:netrw_sizestyle =~# 'h'
      let lsopt= "-lsadh --si"
    endif
    "   call Decho("(s:NetrwFileInfo) lsopt<".lsopt.">")
    if (has("unix") || has("macunix")) && executable("/bin/ls")

      if getline(".") == "../"
        echo system("/bin/ls ".lsopt." ".s:ShellEscape(".."))
      "     call Decho("#1: echo system(/bin/ls -lsad ".s:ShellEscape(..).")",'~'.expand("<slnum>"))

      elseif w:netrw_liststyle == s:TREELIST && getline(".") !~ '^'.s:treedepthstring
        echo system("/bin/ls ".lsopt." ".s:ShellEscape(b:netrw_curdir))
      "     call Decho("#2: echo system(/bin/ls -lsad ".s:ShellEscape(b:netrw_curdir).")",'~'.expand("<slnum>"))

      elseif exists("b:netrw_curdir")
        echo system("/bin/ls ".lsopt." ".s:ShellEscape(s:ComposePath(b:netrw_curdir,a:fname)))
      "      call Decho("#3: echo system(/bin/ls -lsad ".s:ShellEscape(b:netrw_curdir.a:fname).")",'~'.expand("<slnum>"))

      else
        "     call Decho('using ls '.a:fname." using cwd<".getcwd().">",'~'.expand("<slnum>"))
        echo system("/bin/ls ".lsopt." ".s:ShellEscape(s:NetrwFile(a:fname)))
        "     call Decho("#5: echo system(/bin/ls -lsad ".s:ShellEscape(a:fname).")",'~'.expand("<slnum>"))
      endif
    else
      " use vim functions to return information about file below cursor
      "    call Decho("using vim functions to query for file info",'~'.expand("<slnum>"))
      if !isdirectory(s:NetrwFile(a:fname)) && !filereadable(s:NetrwFile(a:fname)) && a:fname =~ '[*@/]'
        let fname= substitute(a:fname,".$","","")
      else
        let fname= a:fname
      endif
      let t  = getftime(s:NetrwFile(fname))
      let sz = getfsize(s:NetrwFile(fname))
      if g:netrw_sizestyle =~# "[hH]"
        let sz= s:NetrwHumanReadable(sz)
      endif
      echo a:fname.":  ".sz."  ".strftime(g:netrw_timefmt,getftime(s:NetrwFile(fname)))
      "    call Decho("fname.":  ".sz."  ".strftime(g:netrw_timefmt,getftime(fname)),'~'.expand("<slnum>"))
    endif
  else
    echo "sorry, \"qf\" not supported yet for remote files"
  endif
  let @@= ykeep
  "  call Dret("s:NetrwFileInfo")
endfun

" ---------------------------------------------------------------------
" s:NetrwFullPath: returns the full path to a directory and/or file {{{2
fun! s:NetrwFullPath(filename)
  "  " call Dfunc("s:NetrwFullPath(filename<".a:filename.">)")
  let filename= a:filename
  if filename !~ '^/'
    let filename= resolve(getcwd().'/'.filename)
  endif
  if filename != "/" && filename =~ '/$'
    let filename= substitute(filename,'/$','','')
  endif
  "  " call Dret("s:NetrwFullPath <".filename.">")
  return filename
endfun

" ---------------------------------------------------------------------
" s:NetrwGetBuffer: [get a new|find an old netrw] buffer for a netrw listing {{{2
"   returns 0=cleared buffer
"           1=re-used buffer (buffer not cleared)
"  Nov 09, 2020: tst952 shows that when user does :set hidden that NetrwGetBuffer will come up with a [No Name] buffer (hid fix)
fun! s:NetrwGetBuffer(islocal,dirname)
  "  call Dfunc("s:NetrwGetBuffer(islocal=".a:islocal." dirname<".a:dirname.">) liststyle=".g:netrw_liststyle)
  "  call Decho("settings buf#".bufnr("%")."<".bufname("%").">: ".((&l:ma == 0)? "no" : "")."ma ".((&l:mod == 0)? "no" : "")."mod ".((&l:bl == 0)? "no" : "")."bl ".((&l:ro == 0)? "no" : "")."ro fo=".&l:fo." hid=".&hid,'~'.expand("<slnum>"))
  "  call Decho("netrwbuf dictionary=".(exists("s:netrwbuf")? string(s:netrwbuf) : 'n/a'),'~'.expand("<slnum>"))
  "  call Dredir("ls!","s:NetrwGetBuffer")
  let dirname= a:dirname

  " re-use buffer if possible {{{3
  "  call Decho("--re-use a buffer if possible--",'~'.expand("<slnum>"))
  if !exists("s:netrwbuf")
    "   call Decho("  s:netrwbuf initialized to {}",'~'.expand("<slnum>"))
    let s:netrwbuf= {}
  endif
  "  call Decho("  s:netrwbuf         =".string(s:netrwbuf),'~'.expand("<slnum>"))
  "  call Decho("  w:netrw_liststyle  =".(exists("w:netrw_liststyle")? w:netrw_liststyle : "n/a"),'~'.expand("<slnum>"))

  if exists("w:netrw_liststyle") && w:netrw_liststyle == s:TREELIST
    let bufnum = -1

    if !empty(s:netrwbuf) && has_key(s:netrwbuf,s:NetrwFullPath(dirname))
      if has_key(s:netrwbuf,"NetrwTreeListing")
        let bufnum= s:netrwbuf["NetrwTreeListing"]
      else
        let bufnum= s:netrwbuf[s:NetrwFullPath(dirname)]
      endif
      "    call Decho("  NetrwTreeListing: bufnum#".bufnum,'~'.expand("<slnum>"))
      if !bufexists(bufnum)
        call remove(s:netrwbuf,"NetrwTreeListing")
        let bufnum= -1
      endif
    elseif bufnr("NetrwTreeListing") != -1
      let bufnum= bufnr("NetrwTreeListing")
    "    call Decho("  NetrwTreeListing".": bufnum#".bufnum,'~'.expand("<slnum>"))
    else
      "    call Decho("  did not find a NetrwTreeListing buffer",'~'.expand("<slnum>"))
      let bufnum= -1
    endif

  elseif has_key(s:netrwbuf,s:NetrwFullPath(dirname))
    let bufnum= s:netrwbuf[s:NetrwFullPath(dirname)]
    "   call Decho("  lookup netrwbuf dictionary: s:netrwbuf[".s:NetrwFullPath(dirname)."]=".bufnum,'~'.expand("<slnum>"))
    if !bufexists(bufnum)
      call remove(s:netrwbuf,s:NetrwFullPath(dirname))
      let bufnum= -1
    endif

  else
    "   call Decho("  lookup netrwbuf dictionary: s:netrwbuf[".s:NetrwFullPath(dirname)."] not a key",'~'.expand("<slnum>"))
    let bufnum= -1
  endif
  "  call Decho("  bufnum#".bufnum,'~'.expand("<slnum>"))

  " highjack the current buffer
  "   IF the buffer already has the desired name
  "   AND it is empty
  let curbuf = bufname("%")
  if curbuf == '.'
    let curbuf = getcwd()
  endif
  "  call Dredir("ls!","NetrwGetFile (renamed buffer back to remote filename<".rfile."> : expand(%)<".expand("%").">)")
  "  call Decho("deciding if netrw may highjack the current buffer#".bufnr("%")."<".curbuf.">",'~'.expand("<slnum>"))
  "  call Decho("..dirname<".dirname.">  IF dirname == bufname",'~'.expand("<slnum>"))
  "  call Decho("..curbuf<".curbuf.">",'~'.expand("<slnum>"))
  "  call Decho("..line($)=".line("$")." AND this is 1",'~'.expand("<slnum>"))
  "  call Decho("..getline(%)<".getline("%").">  AND this line is empty",'~'.expand("<slnum>"))
  if dirname == curbuf && line("$") == 1 && getline("%") == ""
    "   call Dret("s:NetrwGetBuffer 0<cleared buffer> : highjacking buffer#".bufnr("%"))
    return 0
  else  " DEBUG
    "   call Decho("..did NOT highjack buffer",'~'.expand("<slnum>"))
  endif
  " Aug 14, 2021: was thinking about looking for a [No Name] buffer here and using it, but that might cause problems

  " get enew buffer and name it -or- re-use buffer {{{3
  if bufnum < 0      " get enew buffer and name it
    "   call Decho("--get enew buffer and name it  (bufnum#".bufnum."<0 OR bufexists(".bufnum.")=".bufexists(bufnum)."==0)",'~'.expand("<slnum>"))
    call s:NetrwEnew(dirname)
    "   call Decho("  got enew buffer#".bufnr("%")." (altbuf<".expand("#").">)",'~'.expand("<slnum>"))
    " name the buffer
    if exists("w:netrw_liststyle") && w:netrw_liststyle == s:TREELIST
      " Got enew buffer; transform into a NetrwTreeListing
      "    call Decho("--transform enew buffer#".bufnr("%")." into a NetrwTreeListing --",'~'.expand("<slnum>"))
      let w:netrw_treebufnr = bufnr("%")
      call s:NetrwBufRename("NetrwTreeListing")
      if g:netrw_use_noswf
        setl nobl bt=nofile noswf
      else
        setl nobl bt=nofile
      endif
      nnoremap <silent> <buffer> [[       :sil call <SID>TreeListMove('[[')<cr>
      nnoremap <silent> <buffer> ]]       :sil call <SID>TreeListMove(']]')<cr>
      nnoremap <silent> <buffer> []       :sil call <SID>TreeListMove('[]')<cr>
      nnoremap <silent> <buffer> ][       :sil call <SID>TreeListMove('][')<cr>
    "    call Decho("  tree listing bufnr=".w:netrw_treebufnr,'~'.expand("<slnum>"))
    else
      call s:NetrwBufRename(dirname)
      " enter the new buffer into the s:netrwbuf dictionary
      let s:netrwbuf[s:NetrwFullPath(dirname)]= bufnr("%")
      "    call Decho("update netrwbuf dictionary: s:netrwbuf[".s:NetrwFullPath(dirname)."]=".bufnr("%"),'~'.expand("<slnum>"))
      "    call Decho("netrwbuf dictionary=".string(s:netrwbuf),'~'.expand("<slnum>"))
    endif
  "   call Decho("  named enew buffer#".bufnr("%")."<".bufname("%").">",'~'.expand("<slnum>"))

  else " Re-use the buffer
    "   call Decho("--re-use buffer#".bufnum." (bufnum#".bufnum.">=0 AND bufexists(".bufnum.")=".bufexists(bufnum)."!=0)",'~'.expand("<slnum>"))
    " ignore all events
    let eikeep= &ei
    setl ei=all

    if &ft == "netrw"
      "    call Decho("buffer type is netrw; not using keepalt with b ".bufnum)
      exe "sil! NetrwKeepj noswapfile b ".bufnum
    "    call Dredir("ls!","one")
    else
      "    call Decho("buffer type is not netrw; using keepalt with b ".bufnum)
      call s:NetrwEditBuf(bufnum)
      "    call Dredir("ls!","two")
    endif
    "   call Decho("  line($)=".line("$"),'~'.expand("<slnum>"))
    if bufname("%") == '.'
      call s:NetrwBufRename(getcwd())
    endif

    " restore ei
    let &ei= eikeep

    if line("$") <= 1 && getline(1) == ""
      " empty buffer
      NetrwKeepj call s:NetrwListSettings(a:islocal)
      "    call Decho("settings buf#".bufnr("%")."<".bufname("%").">: ".((&l:ma == 0)? "no" : "")."ma ".((&l:mod == 0)? "no" : "")."mod ".((&l:bl == 0)? "no" : "")."bl ".((&l:ro == 0)? "no" : "")."ro fo=".&l:fo,'~'.expand("<slnum>"))
      "    call Decho("tab#".tabpagenr()." win#".winnr()." buf#".bufnr("%")."<".bufname("%")."> line#".line(".")." col#".col(".")." winline#".winline()." wincol#".wincol(),'~'.expand("<slnum>"))
      "    call Dret("s:NetrwGetBuffer 0<buffer empty> : re-using buffer#".bufnr("%").", but its empty, so refresh it")
      return 0

    elseif g:netrw_fastbrowse == 0 || (a:islocal && g:netrw_fastbrowse == 1)
      "    call Decho("g:netrw_fastbrowse=".g:netrw_fastbrowse." a:islocal=".a:islocal.": clear buffer",'~'.expand("<slnum>"))
      NetrwKeepj call s:NetrwListSettings(a:islocal)
      sil NetrwKeepj %d _
      "    call Decho("settings buf#".bufnr("%")."<".bufname("%").">: ".((&l:ma == 0)? "no" : "")."ma ".((&l:mod == 0)? "no" : "")."mod ".((&l:bl == 0)? "no" : "")."bl ".((&l:ro == 0)? "no" : "")."ro fo=".&l:fo,'~'.expand("<slnum>"))
      "    call Decho("tab#".tabpagenr()." win#".winnr()." buf#".bufnr("%")."<".bufname("%")."> line#".line(".")." col#".col(".")." winline#".winline()." wincol#".wincol(),'~'.expand("<slnum>"))
      "    call Dret("s:NetrwGetBuffer 0<cleared buffer> : re-using buffer#".bufnr("%").", but refreshing due to g:netrw_fastbrowse=".g:netrw_fastbrowse)
      return 0

    elseif exists("w:netrw_liststyle") && w:netrw_liststyle == s:TREELIST
      "    call Decho("--re-use tree listing--",'~'.expand("<slnum>"))
      "    call Decho("  clear buffer<".expand("%")."> with :%d",'~'.expand("<slnum>"))
      setl ma
      sil NetrwKeepj %d _
      NetrwKeepj call s:NetrwListSettings(a:islocal)
      "    call Decho("settings buf#".bufnr("%")."<".bufname("%").">: ".((&l:ma == 0)? "no" : "")."ma ".((&l:mod == 0)? "no" : "")."mod ".((&l:bl == 0)? "no" : "")."bl ".((&l:ro == 0)? "no" : "")."ro fo=".&l:fo,'~'.expand("<slnum>"))
      "    call Decho("tab#".tabpagenr()." win#".winnr()." buf#".bufnr("%")."<".bufname("%")."> line#".line(".")." col#".col(".")." winline#".winline()." wincol#".wincol(),'~'.expand("<slnum>"))
      "    call Dret("s:NetrwGetBuffer 0<cleared buffer> : re-using buffer#".bufnr("%").", but treelist mode always needs a refresh")
      return 0

    else
      "    call Decho("settings buf#".bufnr("%")."<".bufname("%").">: ".((&l:ma == 0)? "no" : "")."ma ".((&l:mod == 0)? "no" : "")."mod ".((&l:bl == 0)? "no" : "")."bl ".((&l:ro == 0)? "no" : "")."ro fo=".&l:fo,'~'.expand("<slnum>"))
      "    call Decho("tab#".tabpagenr()." win#".winnr()." buf#".bufnr("%")."<".bufname("%")."> line#".line(".")." col#".col(".")." winline#".winline()." wincol#".wincol(),'~'.expand("<slnum>"))
      "    call Dret("s:NetrwGetBuffer 1<buffer not cleared>")
      return 1
    endif
  endif

  " do netrw settings: make this buffer not-a-file, modifiable, not line-numbered, etc {{{3
  "     fastbrowse  Local  Remote   Hiding a buffer implies it may be re-used (fast)
  "  slow   0         D      D      Deleting a buffer implies it will not be re-used (slow)
  "  med    1         D      H
  "  fast   2         H      H
  "  call Decho("--do netrw settings: make this buffer#".bufnr("%")." not-a-file, modifiable, not line-numbered, etc--",'~'.expand("<slnum>"))
  let fname= expand("%")
  NetrwKeepj call s:NetrwListSettings(a:islocal)
  call s:NetrwBufRename(fname)

  " delete all lines from buffer {{{3
  "  call Decho("--delete all lines from buffer--",'~'.expand("<slnum>"))
  "  call Decho("  clear buffer<".expand("%")."> with :%d",'~'.expand("<slnum>"))
  sil! keepalt NetrwKeepj %d _

  "  call Decho("settings buf#".bufnr("%")."<".bufname("%").">: ".((&l:ma == 0)? "no" : "")."ma ".((&l:mod == 0)? "no" : "")."mod ".((&l:bl == 0)? "no" : "")."bl ".((&l:ro == 0)? "no" : "")."ro fo=".&l:fo,'~'.expand("<slnum>"))
  "  call Decho("tab#".tabpagenr()." win#".winnr()." buf#".bufnr("%")."<".bufname("%")."> line#".line(".")." col#".col(".")." winline#".winline()." wincol#".wincol(),'~'.expand("<slnum>"))
  "  call Dret("s:NetrwGetBuffer 0<cleared buffer>")
  return 0
endfun

" ---------------------------------------------------------------------
" s:NetrwGetcwd: get the current directory. {{{2
"   Change backslashes to forward slashes, if any.
"   If doesc is true, escape certain troublesome characters
fun! s:NetrwGetcwd(doesc)
  "  call Dfunc("NetrwGetcwd(doesc=".a:doesc.")")
  let curdir= substitute(getcwd(),'\\','/','ge')
  if curdir !~ '[\/]$'
    let curdir= curdir.'/'
  endif
  if a:doesc
    let curdir= fnameescape(curdir)
  endif
  "  call Dret("NetrwGetcwd <".curdir.">")
  return curdir
endfun

" ---------------------------------------------------------------------
"  s:NetrwGetWord: it gets the directory/file named under the cursor {{{2
fun! s:NetrwGetWord()
  "  call Dfunc("s:NetrwGetWord() liststyle=".s:ShowStyle()." virtcol=".virtcol("."))
  "  call Decho("tab#".tabpagenr()." win#".winnr()." buf#".bufnr("%")."<".bufname("%")."> line#".line(".")." col#".col(".")." winline#".winline()." wincol#".wincol(),'~'.expand("<slnum>"))
  let keepsol= &l:sol
  setl nosol

  call s:UseBufWinVars()

  " insure that w:netrw_liststyle is set up
  if !exists("w:netrw_liststyle")
    if exists("g:netrw_liststyle")
      let w:netrw_liststyle= g:netrw_liststyle
    else
      let w:netrw_liststyle= s:THINLIST
    endif
    "   call Decho("w:netrw_liststyle=".w:netrw_liststyle,'~'.expand("<slnum>"))
  endif

  if exists("w:netrw_bannercnt") && line(".") < w:netrw_bannercnt
    " Active Banner support
    "   call Decho("active banner handling",'~'.expand("<slnum>"))
    NetrwKeepj norm! 0
    let dirname= "./"
    let curline= getline('.')

    if curline =~# '"\s*Sorted by\s'
      NetrwKeepj norm! "_s
      let s:netrw_skipbrowse= 1
      echo 'Pressing "s" also works'

    elseif curline =~# '"\s*Sort sequence:'
      let s:netrw_skipbrowse= 1
      echo 'Press "S" to edit sorting sequence'

    elseif curline =~# '"\s*Quick Help:'
      NetrwKeepj norm! ?
      let s:netrw_skipbrowse= 1

    elseif curline =~# '"\s*\%(Hiding\|Showing\):'
      NetrwKeepj norm! a
      let s:netrw_skipbrowse= 1
      echo 'Pressing "a" also works'

    elseif line("$") > w:netrw_bannercnt
      exe 'sil NetrwKeepj '.w:netrw_bannercnt
    endif

  elseif w:netrw_liststyle == s:THINLIST
    "   call Decho("thin column handling",'~'.expand("<slnum>"))
    NetrwKeepj norm! 0
    let dirname= substitute(getline('.'),'\t -->.*$','','')

  elseif w:netrw_liststyle == s:LONGLIST
    "   call Decho("long column handling",'~'.expand("<slnum>"))
    NetrwKeepj norm! 0
    let dirname= substitute(getline('.'),'^\(\%(\S\+ \)*\S\+\).\{-}$','\1','e')

  elseif exists("w:netrw_liststyle") && w:netrw_liststyle == s:TREELIST
    "   call Decho("treelist handling",'~'.expand("<slnum>"))
    let dirname= substitute(getline('.'),'^\('.s:treedepthstring.'\)*','','e')
    let dirname= substitute(dirname,'\t -->.*$','','')

  else
    "   call Decho("obtain word from wide listing",'~'.expand("<slnum>"))
    let dirname= getline('.')

    if !exists("b:netrw_cpf")
      let b:netrw_cpf= 0
      exe 'sil NetrwKeepj '.w:netrw_bannercnt.',$g/^./if virtcol("$") > b:netrw_cpf|let b:netrw_cpf= virtcol("$")|endif'
      call histdel("/",-1)
      "   "call Decho("computed cpf=".b:netrw_cpf,'~'.expand("<slnum>"))
    endif

    "   call Decho("buf#".bufnr("%")."<".bufname("%").">",'~'.expand("<slnum>"))
    let filestart = (virtcol(".")/b:netrw_cpf)*b:netrw_cpf
    "   call Decho("filestart= ([virtcol=".virtcol(".")."]/[b:netrw_cpf=".b:netrw_cpf."])*b:netrw_cpf=".filestart."  bannercnt=".w:netrw_bannercnt,'~'.expand("<slnum>"))
    "   call Decho("1: dirname<".dirname.">",'~'.expand("<slnum>"))
    if filestart == 0
      NetrwKeepj norm! 0ma
    else
      call cursor(line("."),filestart+1)
      NetrwKeepj norm! ma
    endif

    let dict={}
    " save the unnamed register and register 0-9 and a
    let dict.a=[getreg('a'), getregtype('a')]
    for i in range(0, 9)
      let dict[i] = [getreg(i), getregtype(i)]
    endfor
    let dict.unnamed = [getreg(''), getregtype('')]

    let eofname= filestart + b:netrw_cpf + 1
    if eofname <= col("$")
      call cursor(line("."),filestart+b:netrw_cpf+1)
      NetrwKeepj norm! "ay`a
    else
      NetrwKeepj norm! "ay$
    endif

    let dirname = @a
    call s:RestoreRegister(dict)

    "   call Decho("2: dirname<".dirname.">",'~'.expand("<slnum>"))
    let dirname= substitute(dirname,'\s\+$','','e')
    "   call Decho("3: dirname<".dirname.">",'~'.expand("<slnum>"))
  endif

  " symlinks are indicated by a trailing "@".  Remove it before further processing.
  let dirname= substitute(dirname,"@$","","")

  " executables are indicated by a trailing "*".  Remove it before further processing.
  let dirname= substitute(dirname,"\*$","","")

  let &l:sol= keepsol

  "  call Dret("s:NetrwGetWord <".dirname.">")
  return dirname
endfun

" ---------------------------------------------------------------------
" s:NetrwListSettings: make standard settings for making a netrw listing {{{2
"                      g:netrw_bufsettings will be used after the listing is produced.
"                      Called by s:NetrwGetBuffer()
fun! s:NetrwListSettings(islocal)
  "  call Dfunc("s:NetrwListSettings(islocal=".a:islocal.")")
  "  call Decho("settings buf#".bufnr("%")."<".bufname("%").">: ".((&l:ma == 0)? "no" : "")."ma ".((&l:mod == 0)? "no" : "")."mod ".((&l:bl == 0)? "no" : "")."bl ".((&l:ro == 0)? "no" : "")."ro fo=".&l:fo,'~'.expand("<slnum>"))
  let fname= bufname("%")
  "  "  call Decho("setl bt=nofile nobl ma nonu nowrap noro nornu",'~'.expand("<slnum>"))
  "              nobl noma nomod nonu noma nowrap ro   nornu  (std g:netrw_bufsettings)
  setl bt=nofile nobl ma         nonu      nowrap noro nornu
  call s:NetrwBufRename(fname)
  if g:netrw_use_noswf
    setl noswf
  endif
  "  call Dredir("ls!","s:NetrwListSettings")
  "  call Decho("exe setl ts=".(g:netrw_maxfilenamelen+1),'~'.expand("<slnum>"))
  exe "setl ts=".(g:netrw_maxfilenamelen+1)
  setl isk+=.,~,-
  if g:netrw_fastbrowse > a:islocal
    setl bh=hide
  else
    setl bh=delete
  endif
  "  call Decho("settings buf#".bufnr("%")."<".bufname("%").">: ".((&l:ma == 0)? "no" : "")."ma ".((&l:mod == 0)? "no" : "")."mod ".((&l:bl == 0)? "no" : "")."bl ".((&l:ro == 0)? "no" : "")."ro fo=".&l:fo,'~'.expand("<slnum>"))
  "  call Dret("s:NetrwListSettings")
endfun

" ---------------------------------------------------------------------
"  s:NetrwListStyle: change list style (thin - long - wide - tree) {{{2
"  islocal=0: remote browsing
"         =1: local browsing
fun! s:NetrwListStyle(islocal)
  let ykeep             = @@
  let fname             = s:NetrwGetWord()
  if !exists("w:netrw_liststyle")|let w:netrw_liststyle= g:netrw_liststyle|endif
  let svpos            = winsaveview()
  let w:netrw_liststyle = (w:netrw_liststyle + 1) % s:MAXLIST

  " repoint t:netrw_lexbufnr if appropriate
  if exists("t:netrw_lexbufnr") && bufnr("%") == t:netrw_lexbufnr
    let repointlexbufnr= 1
  endif

  if w:netrw_liststyle == s:THINLIST
    " use one column listing
    let g:netrw_list_cmd = substitute(g:netrw_list_cmd,' -l','','ge')

  elseif w:netrw_liststyle == s:LONGLIST
    " use long list
    let g:netrw_list_cmd = g:netrw_list_cmd." -l"

  elseif w:netrw_liststyle == s:WIDELIST
    " give wide list
    let g:netrw_list_cmd = substitute(g:netrw_list_cmd,' -l','','ge')

  elseif exists("w:netrw_liststyle") && w:netrw_liststyle == s:TREELIST
    let g:netrw_list_cmd = substitute(g:netrw_list_cmd,' -l','','ge')

  else
    NetrwKeepj call netrw#ErrorMsg(s:WARNING,"bad value for g:netrw_liststyle (=".w:netrw_liststyle.")",46)
    let g:netrw_liststyle = s:THINLIST
    let w:netrw_liststyle = g:netrw_liststyle
    let g:netrw_list_cmd  = substitute(g:netrw_list_cmd,' -l','','ge')
  endif
  setl ma noro

  " clear buffer - this will cause NetrwBrowse/LocalBrowseCheck to do a refresh
  sil! NetrwKeepj %d _
  " following prevents tree listing buffer from being marked "modified"
  setl nomod

  " refresh the listing
  NetrwKeepj call s:NetrwRefresh(a:islocal,s:NetrwBrowseChgDir(a:islocal,'./',0))
  NetrwKeepj call s:NetrwCursor(0)

  " repoint t:netrw_lexbufnr if appropriate
  if exists("repointlexbufnr")
    let t:netrw_lexbufnr= bufnr("%")
  endif

  " restore position; keep cursor on the filename
  "  call Decho("restoring posn to svpos<".string(svpos).">",'~'.expand("<slnum>"))
  NetrwKeepj call winrestview(svpos)
  let @@= ykeep

endfun

" ---------------------------------------------------------------------
" s:NetrwBannerCtrl: toggles the display of the banner {{{2
fun! s:NetrwBannerCtrl(islocal)
  let ykeep= @@
  " toggle the banner (enable/suppress)
  let g:netrw_banner= !g:netrw_banner

  " refresh the listing
  let svpos= winsaveview()
  call s:NetrwRefresh(a:islocal,s:NetrwBrowseChgDir(a:islocal,'./',0))

  " keep cursor on the filename
  if g:netrw_banner && exists("w:netrw_bannercnt") && line(".") >= w:netrw_bannercnt
    let fname= s:NetrwGetWord()
    sil NetrwKeepj $
    let result= search('\%(^\%(|\+\s\)\=\|\s\{2,}\)\zs'.escape(fname,'.\[]*$^').'\%(\s\{2,}\|$\)','bc')
    " "  call Decho("search result=".result." w:netrw_bannercnt=".(exists("w:netrw_bannercnt")? w:netrw_bannercnt : 'N/A'),'~'.expand("<slnum>"))
    if result <= 0 && exists("w:netrw_bannercnt")
      exe "NetrwKeepj ".w:netrw_bannercnt
    endif
  endif
  let @@= ykeep
  "  call Dret("s:NetrwBannerCtrl : g:netrw_banner=".g:netrw_banner)
endfun

" ---------------------------------------------------------------------
" s:NetrwBookmark: supports :NetrwMB[!] [file]s                 {{{2
"
"  No bang: enters files/directories into Netrw's bookmark system
"   No argument and in netrw buffer:
"     if there are marked files: bookmark marked files
"     otherwise                : bookmark file/directory under cursor
"   No argument and not in netrw buffer: bookmarks current open file
"   Has arguments: globs them individually and bookmarks them
"
"  With bang: deletes files/directories from Netrw's bookmark system
fun! s:NetrwBookmark(del,...)
  if a:0 == 0
    if &ft == "netrw"
      let curbufnr = bufnr("%")

      if exists("s:netrwmarkfilelist_{curbufnr}")
        " for every filename in the marked list
        let svpos  = winsaveview()
        let islocal= expand("%") !~ '^\a\{3,}://'
        for fname in s:netrwmarkfilelist_{curbufnr}
          if a:del|call s:DeleteBookmark(fname)|else|call s:MakeBookmark(fname)|endif
        endfor
        let curdir  = exists("b:netrw_curdir")? b:netrw_curdir : getcwd()
        call s:NetrwUnmarkList(curbufnr,curdir)
        NetrwKeepj call s:NetrwRefresh(islocal,s:NetrwBrowseChgDir(islocal,'./',0))
        NetrwKeepj call winrestview(svpos)
      else
        let fname= s:NetrwGetWord()
        if a:del|call s:DeleteBookmark(fname)|else|call s:MakeBookmark(fname)|endif
      endif

    else
      " bookmark currently open file
      let fname= expand("%")
      if a:del|call s:DeleteBookmark(fname)|else|call s:MakeBookmark(fname)|endif
    endif

  else
    " bookmark specified files
    "  attempts to infer if working remote or local
    "  by deciding if the current file begins with an url
    "  Globbing cannot be done remotely.
    let islocal= expand("%") !~ '^\a\{3,}://'
    let i = 1
    while i <= a:0
      if islocal
        if v:version > 704 || (v:version == 704 && has("patch656"))
          let mbfiles= glob(fnameescape(a:{i}),0,1,1)
        else
          let mbfiles= glob(fnameescape(a:{i}),0,1)
        endif
      else
        let mbfiles= [a:{i}]
      endif
      for mbfile in mbfiles
        if a:del|call s:DeleteBookmark(mbfile)|else|call s:MakeBookmark(mbfile)|endif
      endfor
      let i= i + 1
    endwhile
  endif

  " update the menu
  call s:NetrwBookmarkMenu()
endfun

" ---------------------------------------------------------------------
" s:NetrwBookmarkMenu: Uses menu priorities {{{2
"                      .2.[cnt] for bookmarks, and
"                      .3.[cnt] for history
"                      (see s:NetrwMenu())
fun! s:NetrwBookmarkMenu()
  if !exists("s:netrw_menucnt")
    return
  endif
  "  call Dfunc("NetrwBookmarkMenu()  histcnt=".g:netrw_dirhistcnt." menucnt=".s:netrw_menucnt)

  " the following test assures that gvim is running, has menus available, and has menus enabled.
  if has("gui") && has("menu") && has("gui_running") && &go =~# 'm' && g:netrw_menu
    if exists("g:NetrwTopLvlMenu")
      "    call Decho("removing ".g:NetrwTopLvlMenu."Bookmarks menu item(s)",'~'.expand("<slnum>"))
      exe 'sil! unmenu '.g:NetrwTopLvlMenu.'Bookmarks'
      exe 'sil! unmenu '.g:NetrwTopLvlMenu.'Bookmarks\ and\ History.Bookmark\ Delete'
    endif
    if !exists("s:netrw_initbookhist")
      call s:NetrwBookHistRead()
    endif

    " show bookmarked places
    if exists("g:netrw_bookmarklist") && g:netrw_bookmarklist != [] && g:netrw_dirhistmax > 0
      let cnt= 1
      for bmd in g:netrw_bookmarklist
        "     call Decho('sil! menu '.g:NetrwMenuPriority.".2.".cnt." ".g:NetrwTopLvlMenu.'Bookmark.'.bmd.'     :e '.bmd,'~'.expand("<slnum>"))
        let bmd= escape(bmd,g:netrw_menu_escape)

        " show bookmarks for goto menu
        exe 'sil! menu '.g:NetrwMenuPriority.".2.".cnt." ".g:NetrwTopLvlMenu.'Bookmarks.'.bmd.'    :e '.bmd."\<cr>"

        " show bookmarks for deletion menu
        exe 'sil! menu '.g:NetrwMenuPriority.".8.2.".cnt." ".g:NetrwTopLvlMenu.'Bookmarks\ and\ History.Bookmark\ Delete.'.bmd.'   '.cnt."mB"
        let cnt= cnt + 1
      endfor

    endif

    " show directory browsing history
    if g:netrw_dirhistmax > 0
      let cnt     = g:netrw_dirhistcnt
      let first   = 1
      let histcnt = 0
      while ( first || cnt != g:netrw_dirhistcnt )
        let histcnt  = histcnt + 1
        let priority = g:netrw_dirhistcnt + histcnt
        if exists("g:netrw_dirhist_{cnt}")
          let histdir= escape(g:netrw_dirhist_{cnt},g:netrw_menu_escape)
          "     call Decho('sil! menu '.g:NetrwMenuPriority.".3.".priority." ".g:NetrwTopLvlMenu.'History.'.histdir.'     :e '.histdir,'~'.expand("<slnum>"))
          exe 'sil! menu '.g:NetrwMenuPriority.".3.".priority." ".g:NetrwTopLvlMenu.'History.'.histdir.'    :e '.histdir."\<cr>"
        endif
        let first = 0
        let cnt   = ( cnt - 1 ) % g:netrw_dirhistmax
        if cnt < 0
          let cnt= cnt + g:netrw_dirhistmax
        endif
      endwhile
    endif

  endif
  "  call Dret("NetrwBookmarkMenu")
endfun

" ---------------------------------------------------------------------
"  s:NetrwBrowseChgDir: constructs a new directory based on the current {{{2
"                       directory and a new directory name.  Also, if the
"                       "new directory name" is actually a file,
"                       NetrwBrowseChgDir() edits the file.
"    cursor=0: newdir is relative to b:netrw_curdir
"          =1: newdir is relative to the path to the word under the cursor in
"              tree view
fun! s:NetrwBrowseChgDir(islocal,newdir,cursor,...)
  let ykeep= @@
  if !exists("b:netrw_curdir")
    " Don't try to change-directory: this can happen, for example, when netrw#ErrorMsg has been called
    " and the current window is the NetrwMessage window.
    let @@= ykeep
    return
  endif

  " NetrwBrowseChgDir; save options and initialize {{{3
  call s:SavePosn(s:netrw_posn)
  NetrwKeepj call s:NetrwOptionsSave("s:")
  NetrwKeepj call s:NetrwOptionsSafe(a:islocal)

  let newdir = a:newdir
  if a:cursor && exists("w:netrw_liststyle") && w:netrw_liststyle == s:TREELIST && exists("w:netrw_treetop")
    " dirname is the path to the word under the cursor
    let dirname = s:NetrwTreePath(w:netrw_treetop)
    " newdir resolves to a directory and points to a directory in dirname
    " /tmp/test/folder_symlink/ -> /tmp/test/original_folder/
    if a:islocal && fnamemodify(dirname, ':t') == newdir && isdirectory(resolve(dirname)) && resolve(dirname) == resolve(newdir)
      let dirname = fnamemodify(resolve(dirname), ':p:h:h')
      let newdir = fnamemodify(resolve(newdir), ':t')
    endif
    " Remove trailing "/"
    let dirname = substitute(dirname, "/$", "", "")

    " If the word under the cursor is a directory (except for ../), NetrwTreePath
    " returns the full path, including the word under the cursor, remove it
    if newdir =~ "/$" && newdir != "../"
      let dirname = fnamemodify(dirname, ":h")
    endif
  else
    let dirname = b:netrw_curdir
  endif
  if has("win32")
    let dirname = substitute(dirname,'\\','/','ge')
  endif
  let dolockout = 0
  let dorestore = 1

  " ignore <cr>s when done in the banner
  if g:netrw_banner
    if exists("w:netrw_bannercnt") && line(".") < w:netrw_bannercnt && line("$") >= w:netrw_bannercnt
      if getline(".") =~# 'Quick Help'
        let g:netrw_quickhelp= (g:netrw_quickhelp + 1)%len(s:QuickHelp)
        setl ma noro nowrap
        NetrwKeepj call setline(line('.'),'"   Quick Help: <F1>:help  '.s:QuickHelp[g:netrw_quickhelp])
        setl noma nomod nowrap
        NetrwKeepj call s:NetrwOptionsRestore("s:")
      endif
    endif
  endif

  " set up o/s-dependent directory recognition pattern
  if has("amiga")
    let dirpat= '[\/:]$'
  else
    let dirpat= '[\/]$'
  endif

  if dirname !~ dirpat
    " apparently vim is "recognizing" that it is in a directory and
    " is removing the trailing "/".  Bad idea, so let's put it back.
    let dirname= dirname.'/'
  endif

  if newdir !~ dirpat && !(a:islocal && isdirectory(s:NetrwFile(s:ComposePath(dirname,newdir))))
    " ------------------------------
    " NetrwBrowseChgDir: edit a file {{{3
    " ------------------------------

    " save position for benefit of Rexplore
    let s:rexposn_{bufnr("%")}= winsaveview()

    if exists("w:netrw_liststyle") && w:netrw_liststyle == s:TREELIST && exists("w:netrw_treedict") && newdir !~ '^\(/\|\a:\)'
      if dirname =~ '/$'
        let dirname= dirname.newdir
      else
        let dirname= dirname."/".newdir
      endif
    elseif newdir =~ '^\(/\|\a:\)'
      let dirname= newdir
    else
      let dirname= s:ComposePath(dirname,newdir)
    endif
    " this lets netrw#BrowseX avoid the edit
    if a:0 < 1
      NetrwKeepj call s:NetrwOptionsRestore("s:")
      let curdir= b:netrw_curdir
      if !exists("s:didsplit")
        if type(g:netrw_browse_split) == 3
          " open file in server
          " Note that g:netrw_browse_split is a List: [servername,tabnr,winnr]
          call s:NetrwServerEdit(a:islocal,dirname)
          return

        elseif g:netrw_browse_split == 1
          " horizontally splitting the window first
          let winsz= (g:netrw_winsize > 0)? (g:netrw_winsize*winheight(0))/100 : -g:netrw_winsize
          exe "keepalt ".(g:netrw_alto? "bel " : "abo ").winsz."wincmd s"
          if !&ea
            keepalt wincmd _
          endif
          call s:SetRexDir(a:islocal,curdir)

        elseif g:netrw_browse_split == 2
          " vertically splitting the window first
          let winsz= (g:netrw_winsize > 0)? (g:netrw_winsize*winwidth(0))/100 : -g:netrw_winsize
          exe "keepalt ".(g:netrw_alto? "top " : "bot ")."vert ".winsz."wincmd s"
          if !&ea
            keepalt wincmd |
          endif
          call s:SetRexDir(a:islocal,curdir)

        elseif g:netrw_browse_split == 3
          " open file in new tab
          keepalt tabnew
          if !exists("b:netrw_curdir")
            let b:netrw_curdir= getcwd()
          endif
          call s:SetRexDir(a:islocal,curdir)

        elseif g:netrw_browse_split == 4
          " act like "P" (ie. open previous window)
          if s:NetrwPrevWinOpen(2) == 3
            let @@= ykeep
            return
          endif
          call s:SetRexDir(a:islocal,curdir)

        else
          " handling a file, didn't split, so remove menu
          call s:NetrwMenu(0)
          " optional change to window
          if g:netrw_chgwin >= 1
            if winnr("$")+1 == g:netrw_chgwin
              " if g:netrw_chgwin is set to one more than the last window, then
              " vertically split the last window to make that window available.
              let curwin= winnr()
              exe "NetrwKeepj keepalt ".winnr("$")."wincmd w"
              vs
              exe "NetrwKeepj keepalt ".g:netrw_chgwin."wincmd ".curwin
            endif
            exe "NetrwKeepj keepalt ".g:netrw_chgwin."wincmd w"
          endif
          call s:SetRexDir(a:islocal,curdir)
        endif

      endif

      " the point where netrw actually edits the (local) file
      " if its local only: LocalBrowseCheck() doesn't edit a file, but NetrwBrowse() will
      " use keepalt to support  :e #  to return to a directory listing
      if !&mod
        " if e the new file would fail due to &mod, then don't change any of the flags
        let dolockout= 1
      endif
      if a:islocal
        " some like c-^ to return to the last edited file
        " others like c-^ to return to the netrw buffer
        " Apr 30, 2020: used to have e! here.  That can cause loss of a modified file,
        " so emit error E37 instead.
        call s:NetrwEditFile("e","",dirname)
        call s:NetrwCursor(1)
        if &hidden || &bufhidden == "hide"
          " file came from vim's hidden storage.  Don't "restore" options with it.
          let dorestore= 0
        endif
      else
      endif

      " handle g:Netrw_funcref -- call external-to-netrw functions
      "   This code will handle g:Netrw_funcref as an individual function reference
      "   or as a list of function references.  It will ignore anything that's not
      "   a function reference.  See  :help Funcref  for information about function references.
      if exists("g:Netrw_funcref")
        if type(g:Netrw_funcref) == 2
          NetrwKeepj call g:Netrw_funcref()
        elseif type(g:Netrw_funcref) == 3
          for Fncref in g:Netrw_funcref
            if type(Fncref) == 2
              NetrwKeepj call Fncref()
            endif
          endfor
        endif
      endif
    endif

  elseif newdir =~ '^/'
    " ----------------------------------------------------
    " NetrwBrowseChgDir: just go to the new directory spec {{{3
    " ----------------------------------------------------
    let dirname = newdir
    NetrwKeepj call s:SetRexDir(a:islocal,dirname)
    NetrwKeepj call s:NetrwOptionsRestore("s:")
    norm! m`

  elseif newdir == './'
    " ---------------------------------------------
    " NetrwBrowseChgDir: refresh the directory list {{{3
    " ---------------------------------------------
    NetrwKeepj call s:SetRexDir(a:islocal,dirname)
    norm! m`

  elseif newdir == '../'
    " --------------------------------------
    " NetrwBrowseChgDir: go up one directory {{{3
    " --------------------------------------

    if w:netrw_liststyle == s:TREELIST && exists("w:netrw_treedict")
      " force a refresh
      setl noro ma
      NetrwKeepj %d _
    endif

    if has("amiga")
      " amiga
      if a:islocal
        let dirname= substitute(dirname,'^\(.*[/:]\)\([^/]\+$\)','\1','')
        let dirname= substitute(dirname,'/$','','')
      else
        let dirname= substitute(dirname,'^\(.*[/:]\)\([^/]\+/$\)','\1','')
      endif

    elseif !g:netrw_cygwin && has("win32")
      " windows
      if a:islocal
        let dirname= substitute(dirname,'^\(.*\)/\([^/]\+\)/$','\1','')
        if dirname == ""
          let dirname= '/'
        endif
      else
        let dirname= substitute(dirname,'^\(\a\{3,}://.\{-}/\{1,2}\)\(.\{-}\)\([^/]\+\)/$','\1\2','')
      endif
      if dirname =~ '^\a:$'
        let dirname= dirname.'/'
      endif

    else
      " unix or cygwin
      if a:islocal
        let dirname= substitute(dirname,'^\(.*\)/\([^/]\+\)/$','\1','')
        if dirname == ""
          let dirname= '/'
        endif
      else
        let dirname= substitute(dirname,'^\(\a\{3,}://.\{-}/\{1,2}\)\(.\{-}\)\([^/]\+\)/$','\1\2','')
      endif
    endif
    NetrwKeepj call s:SetRexDir(a:islocal,dirname)
    norm! m`

  elseif exists("w:netrw_liststyle") && w:netrw_liststyle == s:TREELIST && exists("w:netrw_treedict")
    " --------------------------------------
    " NetrwBrowseChgDir: Handle Tree Listing {{{3
    " --------------------------------------
    " force a refresh (for TREELIST, NetrwTreeDir() will force the refresh)
    setl noro ma
    if !(exists("w:netrw_liststyle") && w:netrw_liststyle == s:TREELIST && exists("b:netrw_curdir"))
      NetrwKeepj %d _
    endif
    let treedir      = s:NetrwTreeDir(a:islocal)
    let s:treecurpos = winsaveview()
    let haskey       = 0

    " search treedict for tree dir as-is
    if has_key(w:netrw_treedict,treedir)
      let haskey= 1
    else
    endif

    " search treedict for treedir with a [/@] appended
    if !haskey && treedir !~ '[/@]$'
      if has_key(w:netrw_treedict,treedir."/")
        let treedir= treedir."/"
        let haskey = 1
      else
      endif
    endif

    " search treedict for treedir with any trailing / elided
    if !haskey && treedir =~ '/$'
      let treedir= substitute(treedir,'/$','','')
      if has_key(w:netrw_treedict,treedir)
        let haskey = 1
      else
      endif
    endif

    if haskey
      " close tree listing for selected subdirectory
      call remove(w:netrw_treedict,treedir)
      let dirname= w:netrw_treetop
    else
      " go down one directory
      let dirname= substitute(treedir,'/*$','/','')
    endif
    NetrwKeepj call s:SetRexDir(a:islocal,dirname)
    let s:treeforceredraw = 1

  else
    " ----------------------------------------
    " NetrwBrowseChgDir: Go down one directory {{{3
    " ----------------------------------------
    let dirname    = s:ComposePath(dirname,newdir)
    NetrwKeepj call s:SetRexDir(a:islocal,dirname)
    norm! m`
  endif

  " --------------------------------------
  " NetrwBrowseChgDir: Restore and Cleanup {{{3
  " --------------------------------------
  if dorestore
    " dorestore is zero'd when a local file was hidden or bufhidden;
    " in such a case, we want to keep whatever settings it may have.
    NetrwKeepj call s:NetrwOptionsRestore("s:")
  endif
  if dolockout && dorestore
    if filewritable(dirname)
      setl ma noro nomod
    else
      setl ma ro nomod
    endif
  endif
  call s:RestorePosn(s:netrw_posn)
  let @@= ykeep

  return dirname
endfun

" ---------------------------------------------------------------------
" s:NetrwBrowseUpDir: implements the "-" mappings {{{2
"    for thin, long, and wide: cursor placed just after banner
"    for tree, keeps cursor on current filename
fun! s:NetrwBrowseUpDir(islocal)
  if exists("w:netrw_bannercnt") && line(".") < w:netrw_bannercnt-1
    " this test needed because occasionally this function seems to be incorrectly called
    " when multiple leftmouse clicks are taken when atop the one line help in the banner.
    " I'm allowing the very bottom line to permit a "-" exit so that one may escape empty
    " directories.
    return
  endif

  norm! 0
  if exists("w:netrw_liststyle") && w:netrw_liststyle == s:TREELIST && exists("w:netrw_treedict")
    let curline= getline(".")
    let swwline= winline() - 1
    if exists("w:netrw_treetop")
      let b:netrw_curdir= w:netrw_treetop
    elseif exists("b:netrw_curdir")
      let w:netrw_treetop= b:netrw_curdir
    else
      let w:netrw_treetop= getcwd()
      let b:netrw_curdir = w:netrw_treetop
    endif
    let curfile = getline(".")
    let curpath = s:NetrwTreePath(w:netrw_treetop)
    if a:islocal
      call netrw#LocalBrowseCheck(s:NetrwBrowseChgDir(1,'../',0))
    else
      call s:NetrwBrowse(0,s:NetrwBrowseChgDir(0,'../',0))
    endif
    if w:netrw_treetop == '/'
      keepj call search('^\M'.curfile,"w")
    elseif curfile == '../'
      keepj call search('^\M'.curfile,"wb")
    else
      while 1
        keepj call search('^\M'.s:treedepthstring.curfile,"wb")
        let treepath= s:NetrwTreePath(w:netrw_treetop)
        if treepath == curpath
          break
        endif
      endwhile
    endif

  else
    call s:SavePosn(s:netrw_posn)
    if exists("b:netrw_curdir")
      let curdir= b:netrw_curdir
    else
      let curdir= expand(getcwd())
    endif
    if a:islocal
      call netrw#LocalBrowseCheck(s:NetrwBrowseChgDir(1,'../',0))
    else
      call s:NetrwBrowse(0,s:NetrwBrowseChgDir(0,'../',0))
    endif
    call s:RestorePosn(s:netrw_posn)
    let curdir= substitute(curdir,'^.*[\/]','','')
    let curdir= '\<'. escape(curdir, '~'). '/'
    call search(curdir,'wc')
  endif
endfun

func s:redir()
  " set up redirection (avoids browser messages)
  " by default if not set, g:netrw_suppress_gx_mesg is true
  if get(g:, 'netrw_suppress_gx_mesg', 1)
    if &srr =~# "%s"
      return printf(&srr, has("win32") ? "nul" : "/dev/null")
    else
      return &srr .. (has("win32") ? "nul" : "/dev/null")
    endif
  endif
  return ''
endfunc

if has('unix')
  if has('win32unix')
    " Cygwin provides cygstart
    if executable('cygstart')
      fun! netrw#Launch(args)
        exe 'silent ! cygstart --hide' a:args s:redir() | redraw!
      endfun
    elseif !empty($MSYSTEM) && executable('start')
      " MSYS2/Git Bash comes by default without cygstart; see
      " https://www.msys2.org/wiki/How-does-MSYS2-differ-from-Cygwin
      " Instead it provides /usr/bin/start script running `cmd.exe //c start`
      " Adding "" //b` sets void title, hides cmd window and blocks path conversion
      " of /b to \b\ " by MSYS2; see https://www.msys2.org/docs/filesystem-paths/
      fun! netrw#Launch(args)
        exe 'silent !start "" //b' a:args s:redir() | redraw!
      endfun
    else
      " imitate /usr/bin/start script for other environments and hope for the best
      fun! netrw#Launch(args)
        exe 'silent !cmd //c start "" //b' a:args s:redir() | redraw!
      endfun
    endif
  elseif exists('$WSL_DISTRO_NAME') " use cmd.exe to start GUI apps in WSL
    fun! netrw#Launch(args)
      let args = a:args
      exe 'silent !' ..
            \ ((args =~? '\v<\f+\.(exe|com|bat|cmd)>') ?
            \ 'cmd.exe /c start /b ' .. args :
            \ 'nohup ' .. args .. ' ' .. s:redir() .. ' &')
            \ | redraw!
    endfun
  else
    fun! netrw#Launch(args)
      exe ':silent ! nohup' a:args s:redir() (has('gui_running') ? '' : '&') | redraw!
    endfun
  endif
elseif has('win32')
  fun! netrw#Launch(args)
    exe 'silent !' .. (&shell =~? '\<cmd\.exe\>' ? '' : 'cmd.exe /c')
          \ 'start "" /b' a:args s:redir() | redraw!
  endfun
else
  fun! netrw#Launch(dummy)
    echom 'No common launcher found'
  endfun
endif

" Git Bash
if has('win32unix')
  " (cyg)start suffices
  let s:os_viewer = ''
" Windows / WSL
elseif executable('explorer.exe')
  let s:os_viewer = 'explorer.exe'
" Linux / BSD
elseif executable('xdg-open')
  let s:os_viewer = 'xdg-open'
" MacOS
elseif executable('open')
  let s:os_viewer = 'open'
endif

fun! s:viewer()
  " g:netrw_browsex_viewer could be a string of program + its arguments,
  " test if first argument is executable
  if exists('g:netrw_browsex_viewer') && executable(split(g:netrw_browsex_viewer)[0])
    " extract any viewing options.  Assumes that they're set apart by spaces.
    "   call Decho("extract any viewing options from g:netrw_browsex_viewer<".g:netrw_browsex_viewer.">",'~'.expand("<slnum>"))
    if g:netrw_browsex_viewer =~ '\s'
      let viewer  = substitute(g:netrw_browsex_viewer,'\s.*$','','')
      let viewopt = substitute(g:netrw_browsex_viewer,'^\S\+\s*','','')." "
      let oviewer = ''
      let cnt     = 1
      while !executable(viewer) && viewer != oviewer
        let viewer  = substitute(g:netrw_browsex_viewer,'^\(\(^\S\+\s\+\)\{'.cnt.'}\S\+\)\(.*\)$','\1','')
        let viewopt = substitute(g:netrw_browsex_viewer,'^\(\(^\S\+\s\+\)\{'.cnt.'}\S\+\)\(.*\)$','\3','')." "
        let cnt     = cnt + 1
        let oviewer = viewer
        "     call Decho("!exe: viewer<".viewer.">  viewopt<".viewopt.">",'~'.expand("<slnum>"))
      endwhile
    else
      let viewer  = g:netrw_browsex_viewer
      let viewopt = ""
    endif
    "   call Decho("viewer<".viewer.">  viewopt<".viewopt.">",'~'.expand("<slnum>"))
    return viewer .. ' ' .. viewopt
  else
    if !exists('s:os_viewer')
      call netrw#ErrorMsg(s:ERROR,"No program to open this path found. See :help Open for more information.",106)
    else
      return s:os_viewer
    endif
  endif
endfun

fun! netrw#Open(file) abort
  call netrw#Launch(s:viewer() .. ' ' .. shellescape(a:file, 1))
endfun

if !exists('g:netrw_regex_url')
  let g:netrw_regex_url = '\%(\%(http\|ftp\|irc\)s\?\|file\)://\S\{-}'
endif

" ---------------------------------------------------------------------
" netrw#BrowseX:  (implements "x" and "gx") executes a special "viewer" script or program for the {{{2
"              given filename; typically this means given their extension.
"              0=local, 1=remote
fun! netrw#BrowseX(fname,remote)
  if a:remote == 1 && a:fname !~ '^https\=:' && a:fname =~ '/$'
    " remote directory, not a webpage access, looks like an attempt to do a directory listing
    norm! gf
  endif

  if exists("g:netrw_browsex_viewer") && exists("g:netrw_browsex_support_remote") && !g:netrw_browsex_support_remote
    let remote = a:remote
  else
    let remote = 0
  endif

  let ykeep      = @@
  let screenposn = winsaveview()

  " need to save and restore aw setting as gx can invoke this function from non-netrw buffers
  let awkeep     = &aw
  set noaw

  " special core dump handler
  if a:fname =~ '/core\(\.\d\+\)\=$'
    if exists("g:Netrw_corehandler")
      if type(g:Netrw_corehandler) == 2
        " g:Netrw_corehandler is a function reference (see :help Funcref)
        call g:Netrw_corehandler(s:NetrwFile(a:fname))
      elseif type(g:Netrw_corehandler) == 3
        " g:Netrw_corehandler is a List of function references (see :help Funcref)
        for Fncref in g:Netrw_corehandler
          if type(Fncref) == 2
            call Fncref(a:fname)
          endif
        endfor
      endif
      call winrestview(screenposn)
      let @@= ykeep
      let &aw= awkeep
      return
    endif
  endif

  " set up the filename
  " (lower case the extension, make a local copy of a remote file)
  let exten= substitute(a:fname,'.*\.\(.\{-}\)','\1','e')
  if has("win32")
    let exten= substitute(exten,'^.*$','\L&\E','')
  endif
  if exten =~ "[\\/]"
    let exten= ""
  endif

  if remote == 1
    " create a local copy
    setl bh=delete
    call netrw#NetRead(3,a:fname)
    " attempt to rename tempfile
    let basename= substitute(a:fname,'^\(.*\)/\(.*\)\.\([^.]*\)$','\2','')
    let newname = substitute(s:netrw_tmpfile,'^\(.*\)/\(.*\)\.\([^.]*\)$','\1/'.basename.'.\3','')
    if s:netrw_tmpfile != newname && newname != ""
      if rename(s:netrw_tmpfile,newname) == 0
        " renaming succeeded
        let fname= newname
      else
        " renaming failed
        let fname= s:netrw_tmpfile
      endif
    else
      let fname= s:netrw_tmpfile
    endif
  else
    let fname= a:fname
    " special ~ handler for local
    if fname =~ '^\~' && expand("$HOME") != ""
      let fname= s:NetrwFile(substitute(fname,'^\~',expand("$HOME"),''))
    endif
  endif

  " although shellescape(..., 1) is used in netrw#Open(), it's insufficient
  call netrw#Open(escape(fname, '#%'))

  " cleanup: remove temporary file,
  "          delete current buffer if success with handler,
  "          return to prior buffer (directory listing)
  "          Feb 12, 2008: had to de-activate removal of
  "          temporary file because it wasn't getting seen.
  "  if remote == 1 && fname != a:fname
  "   call s:NetrwDelete(fname)
  "  endif

  if remote == 1
    setl bh=delete bt=nofile
    if g:netrw_use_noswf
      setl noswf
    endif
    exe "sil! NetrwKeepj norm! \<c-o>"
  endif
  call winrestview(screenposn)
  let @@ = ykeep
  let &aw= awkeep
endfun

" ---------------------------------------------------------------------
" netrw#GX: gets word under cursor for gx support {{{2
"           See also: netrw#BrowseXVis
"                     netrw#BrowseX
fun! netrw#GX()
  "  call Dfunc("netrw#GX()")
  if &ft == "netrw"
    let fname= s:NetrwGetWord()
  else
    let fname= exists("g:netrw_gx")? expand(g:netrw_gx) : s:GetURL()
  endif
  "  call Dret("netrw#GX <".fname.">")
  return fname
endfun

fun! s:GetURL() abort
  let URL = ''
  if exists('*Netrw_get_URL_' .. &filetype)
    let URL = call('Netrw_get_URL_' .. &filetype, [])
  endif
  if !empty(URL) | return URL | endif
  " URLs end in letter, digit or forward slash
  let URL = matchstr(expand("<cWORD>"), '\<' .. g:netrw_regex_url .. '\ze[^A-Za-z0-9/]*$')
  if !empty(URL) | return URL | endif

  " Is it a file in the current work dir ...
  let file = expand("<cfile>")
  if filereadable(file) | return file | endif
  " ... or in that of the current buffer?
  let path = fnamemodify(expand('%'), ':p')
  if isdirectory(path)
    let dir = path
  elseif filereadable(path)
    let dir = fnamemodify(path, ':h')
  endif
  if exists('dir') && filereadable(dir..'/'..file) | return dir..'/'..file | endif

  return ''
endf

" ---------------------------------------------------------------------
" netrw#BrowseXVis: used by gx in visual mode to select a file for browsing {{{2
fun! netrw#BrowseXVis()
  let dict={}
  let dict.a=[getreg('a'), getregtype('a')]
  norm! gv"ay
  let gxfile= @a
  call s:RestoreRegister(dict)
  call netrw#BrowseX(gxfile,netrw#CheckIfRemote(gxfile))
endfun

" ---------------------------------------------------------------------
" s:NetrwBufRename: renames a buffer without the side effect of retaining an unlisted buffer having the old name {{{2
"                   Using the file command on a "[No Name]" buffer does not seem to cause the old "[No Name]" buffer
"                   to become an unlisted buffer, so in that case don't bwipe it.
fun! s:NetrwBufRename(newname)
  "  call Dfunc("s:NetrwBufRename(newname<".a:newname.">) buf(%)#".bufnr("%")."<".bufname(bufnr("%")).">")
  "  call Dredir("ls!","s:NetrwBufRename (before rename)")
  let oldbufname= bufname(bufnr("%"))
  "  call Decho("buf#".bufnr("%").": oldbufname<".oldbufname.">",'~'.expand("<slnum>"))

  if oldbufname != a:newname
    "   call Decho("do buffer rename: oldbufname<".oldbufname."> ≠ a:newname<".a:newname.">",'~'.expand("<slnum>"))
    let b:junk= 1
    "   call Decho("rename buffer: sil! keepj keepalt file ".fnameescape(a:newname),'~'.expand("<slnum>"))
    exe 'sil! keepj keepalt file '.fnameescape(a:newname)
    "   call Dredir("ls!","s:NetrwBufRename (before bwipe)~".expand("<slnum>"))
    let oldbufnr= bufnr(oldbufname)
    "   call Decho("oldbufname<".oldbufname."> oldbufnr#".oldbufnr,'~'.expand("<slnum>"))
    "   call Decho("bufnr(%)=".bufnr("%"),'~'.expand("<slnum>"))
    if oldbufname != "" && oldbufnr != -1 && oldbufnr != bufnr("%")
      "    call Decho("bwipe ".oldbufnr,'~'.expand("<slnum>"))
      exe "bwipe! ".oldbufnr
      "   else " Decho
      "    call Decho("did *not* bwipe buf#".oldbufnr,'~'.expand("<slnum>"))
      "    call Decho("..reason: if oldbufname<".oldbufname."> is empty",'~'.expand("<slnum>"))"
      "    call Decho("..reason: if oldbufnr#".oldbufnr." is -1",'~'.expand("<slnum>"))"
      "    call Decho("..reason: if oldbufnr#".oldbufnr." != bufnr(%)#".bufnr("%"),'~'.expand("<slnum>"))"
    endif
    "   call Dredir("ls!","s:NetrwBufRename (after rename)")
    "  else " Decho
    "   call Decho("oldbufname<".oldbufname."> == a:newname: did *not* rename",'~'.expand("<slnum>"))
  endif

  "  call Dret("s:NetrwBufRename : buf#".bufnr("%").": oldname<".oldbufname."> newname<".a:newname."> expand(%)<".expand("%").">")
endfun

" ---------------------------------------------------------------------
" netrw#CheckIfRemote: returns 1 if current file looks like an url, 0 else {{{2
fun! netrw#CheckIfRemote(...)
  "  call Dfunc("netrw#CheckIfRemote() a:0=".a:0)
  if a:0 > 0
    let curfile= a:1
  else
    let curfile= expand("%")
  endif
  " Ignore terminal buffers
  if &buftype ==# 'terminal'
    return 0
  endif
  "  call Decho("curfile<".curfile.">")
  if curfile =~ '^\a\{3,}://'
    "   call Dret("netrw#CheckIfRemote 1")
    return 1
  else
    "   call Dret("netrw#CheckIfRemote 0")
    return 0
  endif
endfun

" ---------------------------------------------------------------------
" s:NetrwChgPerm: (implements "gp") change file permission {{{2
fun! s:NetrwChgPerm(islocal,curdir)
  let ykeep  = @@
  call inputsave()
  let newperm= input("Enter new permission: ")
  call inputrestore()
  let chgperm= substitute(g:netrw_chgperm,'\<FILENAME\>',s:ShellEscape(expand("<cfile>")),'')
  let chgperm= substitute(chgperm,'\<PERM\>',s:ShellEscape(newperm),'')
  call system(chgperm)
  if v:shell_error != 0
    NetrwKeepj call netrw#ErrorMsg(1,"changing permission on file<".expand("<cfile>")."> seems to have failed",75)
  endif
  if a:islocal
    NetrwKeepj call s:NetrwRefresh(a:islocal,s:NetrwBrowseChgDir(a:islocal,'./',0))
  endif
  let @@= ykeep
endfun

" ---------------------------------------------------------------------
" s:CheckIfKde: checks if kdeinit is running {{{2
"    Returns 0: kdeinit not running
"            1: kdeinit is  running
fun! s:CheckIfKde()
  "  call Dfunc("s:CheckIfKde()")
  " seems kde systems often have gnome-open due to dependencies, even though
  " gnome-open's subsidiary display tools are largely absent.  Kde systems
  " usually have "kdeinit" running, though...  (tnx Mikolaj Machowski)
  if !exists("s:haskdeinit")
    if has("unix") && executable("ps") && !has("win32unix")
      let s:haskdeinit= system("ps -e") =~ '\<kdeinit'
      if v:shell_error
        let s:haskdeinit = 0
      endif
    else
      let s:haskdeinit= 0
    endif
    "   call Decho("setting s:haskdeinit=".s:haskdeinit,'~'.expand("<slnum>"))
  endif

  "  call Dret("s:CheckIfKde ".s:haskdeinit)
  return s:haskdeinit
endfun

" ---------------------------------------------------------------------
" s:NetrwClearExplore: clear explore variables (if any) {{{2
fun! s:NetrwClearExplore()
  "  call Dfunc("s:NetrwClearExplore()")
  2match none
  if exists("s:explore_match")        |unlet s:explore_match        |endif
  if exists("s:explore_indx")         |unlet s:explore_indx         |endif
  if exists("s:netrw_explore_prvdir") |unlet s:netrw_explore_prvdir |endif
  if exists("s:dirstarstar")          |unlet s:dirstarstar          |endif
  if exists("s:explore_prvdir")       |unlet s:explore_prvdir       |endif
  if exists("w:netrw_explore_indx")   |unlet w:netrw_explore_indx   |endif
  if exists("w:netrw_explore_listlen")|unlet w:netrw_explore_listlen|endif
  if exists("w:netrw_explore_list")   |unlet w:netrw_explore_list   |endif
  if exists("w:netrw_explore_bufnr")  |unlet w:netrw_explore_bufnr  |endif
  "   redraw!
  "  call Dret("s:NetrwClearExplore")
endfun

" ---------------------------------------------------------------------
" s:NetrwEditBuf: decides whether or not to use keepalt to edit a buffer {{{2
fun! s:NetrwEditBuf(bufnum)
  "  call Dfunc("s:NetrwEditBuf(fname<".a:bufnum.">)")
  if exists("g:netrw_altfile") && g:netrw_altfile && &ft == "netrw"
    "   call Decho("exe sil! NetrwKeepj keepalt noswapfile b ".fnameescape(a:bufnum))
    exe "sil! NetrwKeepj keepalt noswapfile b ".fnameescape(a:bufnum)
  else
    "   call Decho("exe sil! NetrwKeepj noswapfile b ".fnameescape(a:bufnum))
    exe "sil! NetrwKeepj noswapfile b ".fnameescape(a:bufnum)
  endif
  "  call Dret("s:NetrwEditBuf")
endfun

" ---------------------------------------------------------------------
" s:NetrwEditFile: decides whether or not to use keepalt to edit a file {{{2
"    NetrwKeepj [keepalt] <OPT> <CMD> <FILENAME>
fun! s:NetrwEditFile(cmd,opt,fname)
  "  call Dfunc("s:NetrwEditFile(cmd<".a:cmd.">,opt<".a:opt.">,fname<".a:fname.">)  ft<".&ft.">")
  if exists("g:netrw_altfile") && g:netrw_altfile && &ft == "netrw"
    "   call Decho("exe NetrwKeepj keepalt ".a:opt." ".a:cmd." ".fnameescape(a:fname))
    exe "NetrwKeepj keepalt ".a:opt." ".a:cmd." ".fnameescape(a:fname)
  else
    "   call Decho("exe NetrwKeepj ".a:opt." ".a:cmd." ".fnameescape(a:fname))
    if a:cmd =~# 'e\%[new]!' && !&hidden && getbufvar(bufname('%'), '&modified', 0)
      call setbufvar(bufname('%'), '&bufhidden', 'hide')
    endif
    exe "NetrwKeepj ".a:opt." ".a:cmd." ".fnameescape(a:fname)
  endif
  "  call Dret("s:NetrwEditFile")
endfun

" ---------------------------------------------------------------------
" s:NetrwExploreListUniq: {{{2
fun! s:NetrwExploreListUniq(explist)
  " this assumes that the list is already sorted
  let newexplist= []
  for member in a:explist
    if !exists("uniqmember") || member != uniqmember
      let uniqmember = member
      let newexplist = newexplist + [ member ]
    endif
  endfor
  return newexplist
endfun

" ---------------------------------------------------------------------
" s:NetrwForceChgDir: (gd support) Force treatment as a directory {{{2
fun! s:NetrwForceChgDir(islocal,newdir)
  let ykeep= @@
  if a:newdir !~ '/$'
    " ok, looks like force is needed to get directory-style treatment
    if a:newdir =~ '@$'
      let newdir= substitute(a:newdir,'@$','/','')
    elseif a:newdir =~ '[*=|\\]$'
      let newdir= substitute(a:newdir,'.$','/','')
    else
      let newdir= a:newdir.'/'
    endif
  else
    " should already be getting treatment as a directory
    let newdir= a:newdir
  endif
  let newdir= s:NetrwBrowseChgDir(a:islocal,newdir,0)
  call s:NetrwBrowse(a:islocal,newdir)
  let @@= ykeep
endfun

" ---------------------------------------------------------------------
" s:NetrwGlob: does glob() if local, remote listing otherwise {{{2
"     direntry: this is the name of the directory.  Will be fnameescape'd to prevent wildcard handling by glob()
"     expr    : this is the expression to follow the directory.  Will use s:ComposePath()
"     pare    =1: remove the current directory from the resulting glob() filelist
"             =0: leave  the current directory   in the resulting glob() filelist
fun! s:NetrwGlob(direntry,expr,pare)
  "  call Dfunc("s:NetrwGlob(direntry<".a:direntry."> expr<".a:expr."> pare=".a:pare.")")
  if netrw#CheckIfRemote()
    keepalt 1sp
    keepalt enew
    let keep_liststyle    = w:netrw_liststyle
    let w:netrw_liststyle = s:THINLIST
    if s:NetrwRemoteListing() == 0
      keepj keepalt %s@/@@
      let filelist= getline(1,$)
      q!
    else
      " remote listing error -- leave treedict unchanged
      let filelist= w:netrw_treedict[a:direntry]
    endif
    let w:netrw_liststyle= keep_liststyle
  else
    let path= s:ComposePath(fnameescape(a:direntry), a:expr)
    if has("win32")
      " escape [ so it is not detected as wildcard character, see :h wildcard
      let path= substitute(path, '[', '[[]', 'g')
    endif
    if v:version > 704 || (v:version == 704 && has("patch656"))
      let filelist= glob(path,0,1,1)
    else
      let filelist= glob(path,0,1)
    endif
    if a:pare
      let filelist= map(filelist,'substitute(v:val, "^.*/", "", "")')
    endif
  endif
  return filelist
endfun

" ---------------------------------------------------------------------
" s:NetrwForceFile: (gf support) Force treatment as a file {{{2
fun! s:NetrwForceFile(islocal,newfile)
  if a:newfile =~ '[/@*=|\\]$'
    let newfile= substitute(a:newfile,'.$','','')
  else
    let newfile= a:newfile
  endif
  if a:islocal
    call s:NetrwBrowseChgDir(a:islocal,newfile,0)
  else
    call s:NetrwBrowse(a:islocal,s:NetrwBrowseChgDir(a:islocal,newfile,0))
  endif
endfun

" ---------------------------------------------------------------------
" s:NetrwHide: this function is invoked by the "a" map for browsing {{{2
"          and switches the hiding mode.  The actual hiding is done by
"          s:NetrwListHide().
"             g:netrw_hide= 0: show all
"                           1: show not-hidden files
"                           2: show hidden files only
fun! s:NetrwHide(islocal)
  let ykeep= @@
  let svpos= winsaveview()

  if exists("s:netrwmarkfilelist_{bufnr('%')}")

    " hide the files in the markfile list
    for fname in s:netrwmarkfilelist_{bufnr("%")}
      if match(g:netrw_list_hide,'\<'.fname.'\>') != -1
        " remove fname from hiding list
        let g:netrw_list_hide= substitute(g:netrw_list_hide,'..\<'.escape(fname,g:netrw_fname_escape).'\>..','','')
        let g:netrw_list_hide= substitute(g:netrw_list_hide,',,',',','g')
        let g:netrw_list_hide= substitute(g:netrw_list_hide,'^,\|,$','','')
      else
        " append fname to hiding list
        if exists("g:netrw_list_hide") && g:netrw_list_hide != ""
          let g:netrw_list_hide= g:netrw_list_hide.',\<'.escape(fname,g:netrw_fname_escape).'\>'
        else
          let g:netrw_list_hide= '\<'.escape(fname,g:netrw_fname_escape).'\>'
        endif
      endif
    endfor
    NetrwKeepj call s:NetrwUnmarkList(bufnr("%"),b:netrw_curdir)
    let g:netrw_hide= 1

  else

    " switch between show-all/show-not-hidden/show-hidden
    let g:netrw_hide=(g:netrw_hide+1)%3
    exe "NetrwKeepj norm! 0"
    if g:netrw_hide && g:netrw_list_hide == ""
      NetrwKeepj call netrw#ErrorMsg(s:WARNING,"your hiding list is empty!",49)
      let @@= ykeep
      return
    endif
  endif

  NetrwKeepj call s:NetrwRefresh(a:islocal,s:NetrwBrowseChgDir(a:islocal,'./',0))
  NetrwKeepj call winrestview(svpos)
  let @@= ykeep
endfun

" ---------------------------------------------------------------------
" s:NetrwHideEdit: allows user to edit the file/directory hiding list {{{2
fun! s:NetrwHideEdit(islocal)
  let ykeep= @@
  " save current cursor position
  let svpos= winsaveview()

  " get new hiding list from user
  call inputsave()
  let newhide= input("Edit Hiding List: ",g:netrw_list_hide)
  call inputrestore()
  let g:netrw_list_hide= newhide

  " refresh the listing
  sil NetrwKeepj call s:NetrwRefresh(a:islocal,s:NetrwBrowseChgDir(a:islocal,"./",0))

  " restore cursor position
  call winrestview(svpos)
  let @@= ykeep
endfun

" ---------------------------------------------------------------------
" s:NetrwHidden: invoked by "gh" {{{2
fun! s:NetrwHidden(islocal)
  let ykeep= @@
  "  save current position
  let svpos  = winsaveview()

  if g:netrw_list_hide =~ '\(^\|,\)\\(^\\|\\s\\s\\)\\zs\\.\\S\\+'
    " remove .file pattern from hiding list
    let g:netrw_list_hide= substitute(g:netrw_list_hide,'\(^\|,\)\\(^\\|\\s\\s\\)\\zs\\.\\S\\+','','')
  elseif s:Strlen(g:netrw_list_hide) >= 1
    let g:netrw_list_hide= g:netrw_list_hide . ',\(^\|\s\s\)\zs\.\S\+'
  else
    let g:netrw_list_hide= '\(^\|\s\s\)\zs\.\S\+'
  endif
  if g:netrw_list_hide =~ '^,'
    let g:netrw_list_hide= strpart(g:netrw_list_hide,1)
  endif

  " refresh screen and return to saved position
  NetrwKeepj call s:NetrwRefresh(a:islocal,s:NetrwBrowseChgDir(a:islocal,'./',0))
  NetrwKeepj call winrestview(svpos)
  let @@= ykeep
endfun

" ---------------------------------------------------------------------
"  s:NetrwHome: this function determines a "home" for saving bookmarks and history {{{2
fun! s:NetrwHome()
  if exists("g:netrw_home")
    let home= expand(g:netrw_home)
  else
    let home = stdpath('data')
  endif
  " insure that the home directory exists
  if g:netrw_dirhistmax > 0 && !isdirectory(s:NetrwFile(home))
    "   call Decho("insure that the home<".home."> directory exists")
    if exists("g:netrw_mkdir")
      "    call Decho("call system(".g:netrw_mkdir." ".s:ShellEscape(s:NetrwFile(home)).")")
      call system(g:netrw_mkdir." ".s:ShellEscape(s:NetrwFile(home)))
    else
      "    call Decho("mkdir(".home.")")
      call mkdir(home)
    endif
  endif
  let g:netrw_home= home
  return home
endfun

" ---------------------------------------------------------------------
" s:NetrwLeftmouse: handles the <leftmouse> when in a netrw browsing window {{{2
fun! s:NetrwLeftmouse(islocal)
  if exists("s:netrwdrag")
    return
  endif
  if &ft != "netrw"
    return
  endif

  let ykeep= @@
  " check if the status bar was clicked on instead of a file/directory name
  while getchar(0) != 0
    "clear the input stream
  endwhile
  call feedkeys("\<LeftMouse>")
  let c          = getchar()
  let mouse_lnum = v:mouse_lnum
  let wlastline  = line('w$')
  let lastline   = line('$')
  if mouse_lnum >= wlastline + 1 || v:mouse_win != winnr()
    " appears to be a status bar leftmouse click
    let @@= ykeep
    return
  endif
  " Dec 04, 2013: following test prevents leftmouse selection/deselection of directories and files in treelist mode
  " Windows are separated by vertical separator bars - but the mouse seems to be doing what it should when dragging that bar
  " without this test when its disabled.
  " May 26, 2014: edit file, :Lex, resize window -- causes refresh.  Reinstated a modified test.  See if problems develop.
  if v:mouse_col > virtcol('.')
    let @@= ykeep
    return
  endif

  if a:islocal
    if exists("b:netrw_curdir")
      NetrwKeepj call netrw#LocalBrowseCheck(s:NetrwBrowseChgDir(1,s:NetrwGetWord(),1))
    endif
  else
    if exists("b:netrw_curdir")
      NetrwKeepj call s:NetrwBrowse(0,s:NetrwBrowseChgDir(0,s:NetrwGetWord(),1))
    endif
  endif
  let @@= ykeep
endfun

" ---------------------------------------------------------------------
" s:NetrwCLeftmouse: used to select a file/directory for a target {{{2
fun! s:NetrwCLeftmouse(islocal)
  if &ft != "netrw"
    return
  endif
  call s:NetrwMarkFileTgt(a:islocal)
endfun

" ---------------------------------------------------------------------
" s:NetrwServerEdit: edit file in a server gvim, usually NETRWSERVER  (implements <c-r>){{{2
"   a:islocal=0 : <c-r> not used, remote
"   a:islocal=1 : <c-r> not used, local
"   a:islocal=2 : <c-r>     used, remote
"   a:islocal=3 : <c-r>     used, local
fun! s:NetrwServerEdit(islocal,fname)
  "  call Dfunc("s:NetrwServerEdit(islocal=".a:islocal.",fname<".a:fname.">)")
  let islocal = a:islocal%2      " =0: remote           =1: local
  let ctrlr   = a:islocal >= 2   " =0: <c-r> not used   =1: <c-r> used

  if (islocal && isdirectory(s:NetrwFile(a:fname))) || (!islocal && a:fname =~ '/$')
    " handle directories in the local window -- not in the remote vim server
    " user must have closed the NETRWSERVER window.  Treat as normal editing from netrw.
    let g:netrw_browse_split= 0
    if exists("s:netrw_browse_split") && exists("s:netrw_browse_split_".winnr())
      let g:netrw_browse_split= s:netrw_browse_split_{winnr()}
      unlet s:netrw_browse_split_{winnr()}
    endif
    call s:NetrwBrowse(islocal,s:NetrwBrowseChgDir(islocal,a:fname,0))
    return
  endif

  if has("clientserver") && executable("gvim")

    if exists("g:netrw_browse_split") && type(g:netrw_browse_split) == 3
      let srvrname = g:netrw_browse_split[0]
      let tabnum   = g:netrw_browse_split[1]
      let winnum   = g:netrw_browse_split[2]

      if serverlist() !~ '\<'.srvrname.'\>'
        if !ctrlr
          " user must have closed the server window and the user did not use <c-r>, but
          " used something like <cr>.
          if exists("g:netrw_browse_split")
            unlet g:netrw_browse_split
          endif
          let g:netrw_browse_split= 0
          if exists("s:netrw_browse_split_".winnr())
            let g:netrw_browse_split= s:netrw_browse_split_{winnr()}
          endif
          call s:NetrwBrowseChgDir(islocal,a:fname,0)
          return

        elseif has("win32") && executable("start")
          " start up remote netrw server under windows
          call system("start gvim --servername ".srvrname)

        else
          " start up remote netrw server under linux
          call system("gvim --servername ".srvrname)
        endif
      endif

      call remote_send(srvrname,":tabn ".tabnum."\<cr>")
      call remote_send(srvrname,":".winnum."wincmd w\<cr>")
      call remote_send(srvrname,":e ".fnameescape(s:NetrwFile(a:fname))."\<cr>")
    else

      if serverlist() !~ '\<'.g:netrw_servername.'\>'

        if !ctrlr
          if exists("g:netrw_browse_split")
            unlet g:netrw_browse_split
          endif
          let g:netrw_browse_split= 0
          call s:NetrwBrowse(islocal,s:NetrwBrowseChgDir(islocal,a:fname,0))
          return

        else
          if has("win32") && executable("start")
            " start up remote netrw server under windows
            call system("start gvim --servername ".g:netrw_servername)
          else
            " start up remote netrw server under linux
            call system("gvim --servername ".g:netrw_servername)
          endif
        endif
      endif

      while 1
        try
          call remote_send(g:netrw_servername,":e ".fnameescape(s:NetrwFile(a:fname))."\<cr>")
          break
        catch /^Vim\%((\a\+)\)\=:E241/
          sleep 200m
        endtry
      endwhile

      if exists("g:netrw_browse_split")
        if type(g:netrw_browse_split) != 3
          let s:netrw_browse_split_{winnr()}= g:netrw_browse_split
        endif
        unlet g:netrw_browse_split
      endif
      let g:netrw_browse_split= [g:netrw_servername,1,1]
    endif

  else
    call netrw#ErrorMsg(s:ERROR,"you need a gui-capable vim and client-server to use <ctrl-r>",98)
  endif

endfun

" ---------------------------------------------------------------------
" s:NetrwSLeftmouse: marks the file under the cursor.  May be dragged to select additional files {{{2
fun! s:NetrwSLeftmouse(islocal)
  if &ft != "netrw"
    return
  endif
  "  call Dfunc("s:NetrwSLeftmouse(islocal=".a:islocal.")")

  let s:ngw= s:NetrwGetWord()
  call s:NetrwMarkFile(a:islocal,s:ngw)

  "  call Dret("s:NetrwSLeftmouse")
endfun

" ---------------------------------------------------------------------
" s:NetrwSLeftdrag: invoked via a shift-leftmouse and dragging {{{2
"                   Used to mark multiple files.
fun! s:NetrwSLeftdrag(islocal)
  "  call Dfunc("s:NetrwSLeftdrag(islocal=".a:islocal.")")
  if !exists("s:netrwdrag")
    let s:netrwdrag = winnr()
    if a:islocal
      nno <silent> <s-leftrelease> <leftmouse>:<c-u>call <SID>NetrwSLeftrelease(1)<cr>
    else
      nno <silent> <s-leftrelease> <leftmouse>:<c-u>call <SID>NetrwSLeftrelease(0)<cr>
    endif
  endif
  let ngw = s:NetrwGetWord()
  if !exists("s:ngw") || s:ngw != ngw
    call s:NetrwMarkFile(a:islocal,ngw)
  endif
  let s:ngw= ngw
  "  call Dret("s:NetrwSLeftdrag : s:netrwdrag=".s:netrwdrag." buf#".bufnr("%"))
endfun

" ---------------------------------------------------------------------
" s:NetrwSLeftrelease: terminates shift-leftmouse dragging {{{2
fun! s:NetrwSLeftrelease(islocal)
  "  call Dfunc("s:NetrwSLeftrelease(islocal=".a:islocal.") s:netrwdrag=".s:netrwdrag." buf#".bufnr("%"))
  if exists("s:netrwdrag")
    nunmap <s-leftrelease>
    let ngw = s:NetrwGetWord()
    if !exists("s:ngw") || s:ngw != ngw
      call s:NetrwMarkFile(a:islocal,ngw)
    endif
    if exists("s:ngw")
      unlet s:ngw
    endif
    unlet s:netrwdrag
  endif
  "  call Dret("s:NetrwSLeftrelease")
endfun

" ---------------------------------------------------------------------
" s:NetrwListHide: uses [range]g~...~d to delete files that match       {{{2
"                  comma-separated patterns given in g:netrw_list_hide
fun! s:NetrwListHide()
  "  call Dfunc("s:NetrwListHide() g:netrw_hide=".g:netrw_hide." g:netrw_list_hide<".g:netrw_list_hide.">")
  "  call Decho("initial: ".string(getline(w:netrw_bannercnt,'$')))
  let ykeep= @@

  " find a character not in the "hide" string to use as a separator for :g and :v commands
  " How-it-works: take the hiding command, convert it into a range.
  " Duplicate characters don't matter.
  " Remove all such characters from the '/~@#...890' string.
  " Use the first character left as a separator character.
  "  call Decho("find a character not in the hide string to use as a separator",'~'.expand("<slnum>"))
  let listhide= g:netrw_list_hide
  let sep     = strpart(substitute('~@#$%^&*{};:,<.>?|1234567890','['.escape(listhide,'-]^\').']','','ge'),1,1)
  "  call Decho("sep<".sep.">  (sep not in hide string)",'~'.expand("<slnum>"))

  while listhide != ""
    if listhide =~ ','
      let hide     = substitute(listhide,',.*$','','e')
      let listhide = substitute(listhide,'^.\{-},\(.*\)$','\1','e')
    else
      let hide     = listhide
      let listhide = ""
    endif
    "   call Decho("..extracted pattern from listhide: hide<".hide."> g:netrw_sort_by<".g:netrw_sort_by.'>','~'.expand("<slnum>"))
    if g:netrw_sort_by =~ '^[ts]'
      if hide =~ '^\^'
        "     call Decho("..modify hide to handle a \"^...\" pattern",'~'.expand("<slnum>"))
        let hide= substitute(hide,'^\^','^\(\\d\\+/\)','')
      elseif hide =~ '^\\(\^'
        let hide= substitute(hide,'^\\(\^','\\(^\\(\\d\\+/\\)','')
      endif
      "    call Decho("..hide<".hide."> listhide<".listhide.'>','~'.expand("<slnum>"))
    endif

    " Prune the list by hiding any files which match
    "   call Decho("..prune the list by hiding any files which ".((g:netrw_hide == 1)? "" : "don't")."match hide<".hide.">")
    if g:netrw_hide == 1
      "    call Decho("..hiding<".hide.">",'~'.expand("<slnum>"))
      exe 'sil! NetrwKeepj '.w:netrw_bannercnt.',$g'.sep.hide.sep.'d'
    elseif g:netrw_hide == 2
      "    call Decho("..showing<".hide.">",'~'.expand("<slnum>"))
      exe 'sil! NetrwKeepj '.w:netrw_bannercnt.',$g'.sep.hide.sep.'s@^@ /-KEEP-/ @'
    endif
    "   call Decho("..result: ".string(getline(w:netrw_bannercnt,'$')),'~'.expand("<slnum>"))
  endwhile

  if g:netrw_hide == 2
    exe 'sil! NetrwKeepj '.w:netrw_bannercnt.',$v@^ /-KEEP-/ @d'
    "   call Decho("..v KEEP: ".string(getline(w:netrw_bannercnt,'$')),'~'.expand("<slnum>"))
    exe 'sil! NetrwKeepj '.w:netrw_bannercnt.',$s@^\%( /-KEEP-/ \)\+@@e'
    "   call Decho("..g KEEP: ".string(getline(w:netrw_bannercnt,'$')),'~'.expand("<slnum>"))
  endif

  " remove any blank lines that have somehow remained.
  " This seems to happen under Windows.
  exe 'sil! NetrwKeepj 1,$g@^\s*$@d'

  let @@= ykeep
  "  call Dret("s:NetrwListHide")
endfun

" ---------------------------------------------------------------------
" s:NetrwMakeDir: this function makes a directory (both local and remote) {{{2
"                 implements the "d" mapping.
fun! s:NetrwMakeDir(usrhost)

  let ykeep= @@
  " get name of new directory from user.  A bare <CR> will skip.
  " if its currently a directory, also request will be skipped, but with
  " a message.
  call inputsave()
  let newdirname= input("Please give directory name: ")
  call inputrestore()

  if newdirname == ""
    let @@= ykeep
    return
  endif

  if a:usrhost == ""

    " Local mkdir:
    " sanity checks
    let fullnewdir= b:netrw_curdir.'/'.newdirname
    if isdirectory(s:NetrwFile(fullnewdir))
      if !exists("g:netrw_quiet")
        NetrwKeepj call netrw#ErrorMsg(s:WARNING,"<".newdirname."> is already a directory!",24)
      endif
      let @@= ykeep
      return
    endif
    if s:FileReadable(fullnewdir)
      if !exists("g:netrw_quiet")
        NetrwKeepj call netrw#ErrorMsg(s:WARNING,"<".newdirname."> is already a file!",25)
      endif
      let @@= ykeep
      return
    endif

    " requested new local directory is neither a pre-existing file or
    " directory, so make it!
    if exists("*mkdir")
      if has("unix")
        call mkdir(fullnewdir,"p",xor(0777, system("umask")))
      else
        call mkdir(fullnewdir,"p")
      endif
    else
      let netrw_origdir= s:NetrwGetcwd(1)
      if s:NetrwLcd(b:netrw_curdir)
        return
      endif
      call s:NetrwExe("sil! !".g:netrw_localmkdir.g:netrw_localmkdiropt.' '.s:ShellEscape(newdirname,1))
      if v:shell_error != 0
        let @@= ykeep
        call netrw#ErrorMsg(s:ERROR,"consider setting g:netrw_localmkdir<".g:netrw_localmkdir."> to something that works",80)
        return
      endif
      if !g:netrw_keepdir
        if s:NetrwLcd(netrw_origdir)
          return
        endif
      endif
    endif

    if v:shell_error == 0
      " refresh listing
      let svpos= winsaveview()
      call s:NetrwRefresh(1,s:NetrwBrowseChgDir(1,'./',0))
      call winrestview(svpos)
    elseif !exists("g:netrw_quiet")
      call netrw#ErrorMsg(s:ERROR,"unable to make directory<".newdirname.">",26)
    endif

  elseif !exists("b:netrw_method") || b:netrw_method == 4
    " Remote mkdir:  using ssh
    let mkdircmd  = s:MakeSshCmd(g:netrw_mkdir_cmd)
    let newdirname= substitute(b:netrw_curdir,'^\%(.\{-}/\)\{3}\(.*\)$','\1','').newdirname
    call s:NetrwExe("sil! !".mkdircmd." ".s:ShellEscape(newdirname,1))
    if v:shell_error == 0
      " refresh listing
      let svpos= winsaveview()
      NetrwKeepj call s:NetrwRefresh(0,s:NetrwBrowseChgDir(0,'./',0))
      NetrwKeepj call winrestview(svpos)
    elseif !exists("g:netrw_quiet")
      NetrwKeepj call netrw#ErrorMsg(s:ERROR,"unable to make directory<".newdirname.">",27)
    endif

  elseif b:netrw_method == 2
    " Remote mkdir:  using ftp+.netrc
    let svpos= winsaveview()
    if exists("b:netrw_fname")
      let remotepath= b:netrw_fname
    else
      let remotepath= ""
    endif
    call s:NetrwRemoteFtpCmd(remotepath,g:netrw_remote_mkdir.' "'.newdirname.'"')
    NetrwKeepj call s:NetrwRefresh(0,s:NetrwBrowseChgDir(0,'./',0))
    NetrwKeepj call winrestview(svpos)

  elseif b:netrw_method == 3
    " Remote mkdir: using ftp + machine, id, passwd, and fname (ie. no .netrc)
    let svpos= winsaveview()
    if exists("b:netrw_fname")
      let remotepath= b:netrw_fname
    else
      let remotepath= ""
    endif
    call s:NetrwRemoteFtpCmd(remotepath,g:netrw_remote_mkdir.' "'.newdirname.'"')
    NetrwKeepj call s:NetrwRefresh(0,s:NetrwBrowseChgDir(0,'./',0))
    NetrwKeepj call winrestview(svpos)
  endif

  let @@= ykeep
endfun

" ---------------------------------------------------------------------
" s:TreeSqueezeDir: allows a shift-cr (gvim only) to squeeze the current tree-listing directory {{{2
fun! s:TreeSqueezeDir(islocal)
  if exists("w:netrw_liststyle") && w:netrw_liststyle == s:TREELIST && exists("w:netrw_treedict")
    " its a tree-listing style
    let curdepth = substitute(getline('.'),'^\(\%('.s:treedepthstring.'\)*\)[^'.s:treedepthstring.'].\{-}$','\1','e')
    let stopline = (exists("w:netrw_bannercnt")? (w:netrw_bannercnt + 1) : 1)
    let depth    = strchars(substitute(curdepth,' ','','g'))
    let srch     = -1
    if depth >= 2
      NetrwKeepj norm! 0
      let curdepthm1= substitute(curdepth,'^'.s:treedepthstring,'','')
      let srch      = search('^'.curdepthm1.'\%('.s:treedepthstring.'\)\@!','bW',stopline)
    elseif depth == 1
      NetrwKeepj norm! 0
      let treedepthchr= substitute(s:treedepthstring,' ','','')
      let srch        = search('^[^'.treedepthchr.']','bW',stopline)
    endif
    if srch > 0
      call s:NetrwBrowse(a:islocal,s:NetrwBrowseChgDir(a:islocal,s:NetrwGetWord(),1))
      exe srch
    endif
  endif
endfun

" ---------------------------------------------------------------------
" s:NetrwMaps: {{{2
fun! s:NetrwMaps(islocal)

  " mouse <Plug> maps: {{{3
  if g:netrw_mousemaps && g:netrw_retmap
    "   call Decho("set up Rexplore 2-leftmouse",'~'.expand("<slnum>"))
    if !hasmapto("<Plug>NetrwReturn")
      if maparg("<2-leftmouse>","n") == "" || maparg("<2-leftmouse>","n") =~ '^-$'
        nmap <unique> <silent> <2-leftmouse>       <Plug>NetrwReturn
      elseif maparg("<c-leftmouse>","n") == ""
        nmap <unique> <silent> <c-leftmouse>       <Plug>NetrwReturn
      endif
    endif
    nno <silent> <Plug>NetrwReturn       :Rexplore<cr>
  endif

  " generate default <Plug> maps {{{3
  if !hasmapto('<Plug>NetrwHide')              |nmap <buffer> <silent> <nowait> a       <Plug>NetrwHide_a|endif
  if !hasmapto('<Plug>NetrwBrowseUpDir')       |nmap <buffer> <silent> <nowait> -       <Plug>NetrwBrowseUpDir|endif
  if !hasmapto('<Plug>NetrwOpenFile')          |nmap <buffer> <silent> <nowait> %       <Plug>NetrwOpenFile|endif
  if !hasmapto('<Plug>NetrwBadd_cb')           |nmap <buffer> <silent> <nowait> cb      <Plug>NetrwBadd_cb|endif
  if !hasmapto('<Plug>NetrwBadd_cB')           |nmap <buffer> <silent> <nowait> cB      <Plug>NetrwBadd_cB|endif
  if !hasmapto('<Plug>NetrwLcd')               |nmap <buffer> <silent> <nowait> cd      <Plug>NetrwLcd|endif
  if !hasmapto('<Plug>NetrwSetChgwin')         |nmap <buffer> <silent> <nowait> C       <Plug>NetrwSetChgwin|endif
  if !hasmapto('<Plug>NetrwRefresh')           |nmap <buffer> <silent> <nowait> <c-l>   <Plug>NetrwRefresh|endif
  if !hasmapto('<Plug>NetrwLocalBrowseCheck')  |nmap <buffer> <silent> <nowait> <cr>    <Plug>NetrwLocalBrowseCheck|endif
  if !hasmapto('<Plug>NetrwServerEdit')        |nmap <buffer> <silent> <nowait> <c-r>   <Plug>NetrwServerEdit|endif
  if !hasmapto('<Plug>NetrwMakeDir')           |nmap <buffer> <silent> <nowait> d       <Plug>NetrwMakeDir|endif
  if !hasmapto('<Plug>NetrwBookHistHandler_gb')|nmap <buffer> <silent> <nowait> gb      <Plug>NetrwBookHistHandler_gb|endif

  if a:islocal
    " local normal-mode maps {{{3
    nnoremap <buffer> <silent> <Plug>NetrwHide_a                 :<c-u>call <SID>NetrwHide(1)<cr>
    nnoremap <buffer> <silent> <Plug>NetrwBrowseUpDir            :<c-u>call <SID>NetrwBrowseUpDir(1)<cr>
    nnoremap <buffer> <silent> <Plug>NetrwOpenFile               :<c-u>call <SID>NetrwOpenFile(1)<cr>
    nnoremap <buffer> <silent> <Plug>NetrwBadd_cb                :<c-u>call <SID>NetrwBadd(1,0)<cr>
    nnoremap <buffer> <silent> <Plug>NetrwBadd_cB                :<c-u>call <SID>NetrwBadd(1,1)<cr>
    nnoremap <buffer> <silent> <Plug>NetrwLcd                    :<c-u>call <SID>NetrwLcd(b:netrw_curdir)<cr>
    nnoremap <buffer> <silent> <Plug>NetrwSetChgwin              :<c-u>call <SID>NetrwSetChgwin()<cr>
    nnoremap <buffer> <silent> <Plug>NetrwLocalBrowseCheck       :<c-u>call netrw#LocalBrowseCheck(<SID>NetrwBrowseChgDir(1,<SID>NetrwGetWord(),1))<cr>
    nnoremap <buffer> <silent> <Plug>NetrwServerEdit             :<c-u>call <SID>NetrwServerEdit(3,<SID>NetrwGetWord())<cr>
    nnoremap <buffer> <silent> <Plug>NetrwMakeDir                :<c-u>call <SID>NetrwMakeDir("")<cr>
    nnoremap <buffer> <silent> <Plug>NetrwBookHistHandler_gb     :<c-u>call <SID>NetrwBookHistHandler(1,b:netrw_curdir)<cr>
    " ---------------------------------------------------------------------
    nnoremap <buffer> <silent> <nowait> gd       :<c-u>call <SID>NetrwForceChgDir(1,<SID>NetrwGetWord())<cr>
    nnoremap <buffer> <silent> <nowait> gf       :<c-u>call <SID>NetrwForceFile(1,<SID>NetrwGetWord())<cr>
    nnoremap <buffer> <silent> <nowait> gh       :<c-u>call <SID>NetrwHidden(1)<cr>
    nnoremap <buffer> <silent> <nowait> gn       :<c-u>call netrw#SetTreetop(0,<SID>NetrwGetWord())<cr>
    nnoremap <buffer> <silent> <nowait> gp       :<c-u>call <SID>NetrwChgPerm(1,b:netrw_curdir)<cr>
    nnoremap <buffer> <silent> <nowait> I        :<c-u>call <SID>NetrwBannerCtrl(1)<cr>
    nnoremap <buffer> <silent> <nowait> i        :<c-u>call <SID>NetrwListStyle(1)<cr>
    nnoremap <buffer> <silent> <nowait> ma       :<c-u>call <SID>NetrwMarkFileArgList(1,0)<cr>
    nnoremap <buffer> <silent> <nowait> mA       :<c-u>call <SID>NetrwMarkFileArgList(1,1)<cr>
    nnoremap <buffer> <silent> <nowait> mb       :<c-u>call <SID>NetrwBookHistHandler(0,b:netrw_curdir)<cr>
    nnoremap <buffer> <silent> <nowait> mB       :<c-u>call <SID>NetrwBookHistHandler(6,b:netrw_curdir)<cr>
    nnoremap <buffer> <silent> <nowait> mc       :<c-u>call <SID>NetrwMarkFileCopy(1)<cr>
    nnoremap <buffer> <silent> <nowait> md       :<c-u>call <SID>NetrwMarkFileDiff(1)<cr>
    nnoremap <buffer> <silent> <nowait> me       :<c-u>call <SID>NetrwMarkFileEdit(1)<cr>
    nnoremap <buffer> <silent> <nowait> mf       :<c-u>call <SID>NetrwMarkFile(1,<SID>NetrwGetWord())<cr>
    nnoremap <buffer> <silent> <nowait> mF       :<c-u>call <SID>NetrwUnmarkList(bufnr("%"),b:netrw_curdir)<cr>
    nnoremap <buffer> <silent> <nowait> mg       :<c-u>call <SID>NetrwMarkFileGrep(1)<cr>
    nnoremap <buffer> <silent> <nowait> mh       :<c-u>call <SID>NetrwMarkHideSfx(1)<cr>
    nnoremap <buffer> <silent> <nowait> mm       :<c-u>call <SID>NetrwMarkFileMove(1)<cr>
    " nnoremap <buffer> <silent> <nowait> mp       :<c-u>call <SID>NetrwMarkFilePrint(1)<cr>
    nnoremap <buffer> <silent> <nowait> mr       :<c-u>call <SID>NetrwMarkFileRegexp(1)<cr>
    nnoremap <buffer> <silent> <nowait> ms       :<c-u>call <SID>NetrwMarkFileSource(1)<cr>
    nnoremap <buffer> <silent> <nowait> mT       :<c-u>call <SID>NetrwMarkFileTag(1)<cr>
    nnoremap <buffer> <silent> <nowait> mt       :<c-u>call <SID>NetrwMarkFileTgt(1)<cr>
    nnoremap <buffer> <silent> <nowait> mu       :<c-u>call <SID>NetrwUnMarkFile(1)<cr>
    nnoremap <buffer> <silent> <nowait> mv       :<c-u>call <SID>NetrwMarkFileVimCmd(1)<cr>
    nnoremap <buffer> <silent> <nowait> mx       :<c-u>call <SID>NetrwMarkFileExe(1,0)<cr>
    nnoremap <buffer> <silent> <nowait> mX       :<c-u>call <SID>NetrwMarkFileExe(1,1)<cr>
    nnoremap <buffer> <silent> <nowait> mz       :<c-u>call <SID>NetrwMarkFileCompress(1)<cr>
    nnoremap <buffer> <silent> <nowait> O        :<c-u>call <SID>NetrwObtain(1)<cr>
    nnoremap <buffer> <silent> <nowait> o        :call <SID>NetrwSplit(3)<cr>
    nnoremap <buffer> <silent> <nowait> p        :<c-u>call <SID>NetrwPreview(<SID>NetrwBrowseChgDir(1,<SID>NetrwGetWord(),1,1))<cr>
    nnoremap <buffer> <silent> <nowait> P        :<c-u>call <SID>NetrwPrevWinOpen(1)<cr>
    nnoremap <buffer> <silent> <nowait> qb       :<c-u>call <SID>NetrwBookHistHandler(2,b:netrw_curdir)<cr>
    nnoremap <buffer> <silent> <nowait> qf       :<c-u>call <SID>NetrwFileInfo(1,<SID>NetrwGetWord())<cr>
    nnoremap <buffer> <silent> <nowait> qF       :<c-u>call <SID>NetrwMarkFileQFEL(1,getqflist())<cr>
    nnoremap <buffer> <silent> <nowait> qL       :<c-u>call <SID>NetrwMarkFileQFEL(1,getloclist(v:count))<cr>
    nnoremap <buffer> <silent> <nowait> s        :call <SID>NetrwSortStyle(1)<cr>
    nnoremap <buffer> <silent> <nowait> S        :<c-u>call <SID>NetSortSequence(1)<cr>
    nnoremap <buffer> <silent> <nowait> Tb       :<c-u>call <SID>NetrwSetTgt(1,'b',v:count1)<cr>
    nnoremap <buffer> <silent> <nowait> t        :call <SID>NetrwSplit(4)<cr>
    nnoremap <buffer> <silent> <nowait> Th       :<c-u>call <SID>NetrwSetTgt(1,'h',v:count)<cr>
    nnoremap <buffer> <silent> <nowait> u        :<c-u>call <SID>NetrwBookHistHandler(4,expand("%"))<cr>
    nnoremap <buffer> <silent> <nowait> U        :<c-u>call <SID>NetrwBookHistHandler(5,expand("%"))<cr>
    nnoremap <buffer> <silent> <nowait> v        :call <SID>NetrwSplit(5)<cr>
    nnoremap <buffer> <silent> <nowait> x        :<c-u>call netrw#BrowseX(<SID>NetrwBrowseChgDir(1,<SID>NetrwGetWord(),1,0),0)"<cr>
    nnoremap <buffer> <silent> <nowait> X        :<c-u>call <SID>NetrwLocalExecute(expand("<cword>"))"<cr>

    nnoremap <buffer> <silent> <nowait> r        :<c-u>let g:netrw_sort_direction= (g:netrw_sort_direction =~# 'n')? 'r' : 'n'<bar>exe "norm! 0"<bar>call <SID>NetrwRefresh(1,<SID>NetrwBrowseChgDir(1,'./',0))<cr>
    if !hasmapto('<Plug>NetrwHideEdit')
      nmap <buffer> <unique> <c-h> <Plug>NetrwHideEdit
    endif
    nnoremap <buffer> <silent> <Plug>NetrwHideEdit               :call <SID>NetrwHideEdit(1)<cr>
    if !hasmapto('<Plug>NetrwRefresh')
      nmap <buffer> <unique> <c-l> <Plug>NetrwRefresh
    endif
    nnoremap <buffer> <silent> <Plug>NetrwRefresh                <c-l>:call <SID>NetrwRefresh(1,<SID>NetrwBrowseChgDir(1,(exists("w:netrw_liststyle") && exists("w:netrw_treetop") && w:netrw_liststyle == 3)? w:netrw_treetop : './',0))<cr>
    if s:didstarstar || !mapcheck("<s-down>","n")
      nnoremap <buffer> <silent> <s-down> :Nexplore<cr>
    endif
    if s:didstarstar || !mapcheck("<s-up>","n")
      nnoremap <buffer> <silent> <s-up>   :Pexplore<cr>
    endif
    if !hasmapto('<Plug>NetrwTreeSqueeze')
      nmap <buffer> <silent> <nowait> <s-cr>                      <Plug>NetrwTreeSqueeze
    endif
    nnoremap <buffer> <silent> <Plug>NetrwTreeSqueeze            :call <SID>TreeSqueezeDir(1)<cr>
    let mapsafecurdir = escape(b:netrw_curdir, s:netrw_map_escape)
    if g:netrw_mousemaps == 1
      nmap <buffer>                       <leftmouse>             <Plug>NetrwLeftmouse
      nmap <buffer>                       <c-leftmouse>           <Plug>NetrwCLeftmouse
      nmap <buffer>                       <middlemouse>           <Plug>NetrwMiddlemouse
      nmap <buffer>                       <s-leftmouse>           <Plug>NetrwSLeftmouse
      nmap <buffer>                       <s-leftdrag>            <Plug>NetrwSLeftdrag
      nmap <buffer>                       <2-leftmouse>           <Plug>Netrw2Leftmouse
      imap <buffer>                       <leftmouse>             <Plug>ILeftmouse
      imap <buffer>                       <middlemouse>           <Plug>IMiddlemouse
      nno  <buffer> <silent>              <Plug>NetrwLeftmouse    :exec "norm! \<lt>leftmouse>"<bar>call <SID>NetrwLeftmouse(1)<cr>
      nno  <buffer> <silent>              <Plug>NetrwCLeftmouse   :exec "norm! \<lt>leftmouse>"<bar>call <SID>NetrwCLeftmouse(1)<cr>
      nno  <buffer> <silent>              <Plug>NetrwMiddlemouse  :exec "norm! \<lt>leftmouse>"<bar>call <SID>NetrwPrevWinOpen(1)<cr>
      nno  <buffer> <silent>              <Plug>NetrwSLeftmouse   :exec "norm! \<lt>leftmouse>"<bar>call <SID>NetrwSLeftmouse(1)<cr>
      nno  <buffer> <silent>              <Plug>NetrwSLeftdrag    :exec "norm! \<lt>leftmouse>"<bar>call <SID>NetrwSLeftdrag(1)<cr>
      nmap <buffer> <silent>              <Plug>Netrw2Leftmouse   -
        exe 'nnoremap <buffer> <silent> <rightmouse>  :exec "norm! \<lt>leftmouse>"<bar>call <SID>NetrwLocalRm("'.mapsafecurdir.'")<cr>'
      exe 'vnoremap <buffer> <silent> <rightmouse>  :exec "norm! \<lt>leftmouse>"<bar>call <SID>NetrwLocalRm("'.mapsafecurdir.'")<cr>'
    endif
    exe 'nnoremap <buffer> <silent> <nowait> <del>       :call <SID>NetrwLocalRm("'.mapsafecurdir.'")<cr>'
    exe 'nnoremap <buffer> <silent> <nowait> D           :call <SID>NetrwLocalRm("'.mapsafecurdir.'")<cr>'
    exe 'nnoremap <buffer> <silent> <nowait> R           :call <SID>NetrwLocalRename("'.mapsafecurdir.'")<cr>'
    exe 'nnoremap <buffer> <silent> <nowait> d           :call <SID>NetrwMakeDir("")<cr>'
    exe 'vnoremap <buffer> <silent> <nowait> <del>       :call <SID>NetrwLocalRm("'.mapsafecurdir.'")<cr>'
    exe 'vnoremap <buffer> <silent> <nowait> D           :call <SID>NetrwLocalRm("'.mapsafecurdir.'")<cr>'
    exe 'vnoremap <buffer> <silent> <nowait> R           :call <SID>NetrwLocalRename("'.mapsafecurdir.'")<cr>'
    nnoremap <buffer> <F1>                       :he netrw-quickhelp<cr>

    " support user-specified maps
    call netrw#UserMaps(1)

  else
    " remote normal-mode maps {{{3
    call s:RemotePathAnalysis(b:netrw_curdir)
    nnoremap <buffer> <silent> <Plug>NetrwHide_a                 :<c-u>call <SID>NetrwHide(0)<cr>
    nnoremap <buffer> <silent> <Plug>NetrwBrowseUpDir            :<c-u>call <SID>NetrwBrowseUpDir(0)<cr>
    nnoremap <buffer> <silent> <Plug>NetrwOpenFile               :<c-u>call <SID>NetrwOpenFile(0)<cr>
    nnoremap <buffer> <silent> <Plug>NetrwBadd_cb                :<c-u>call <SID>NetrwBadd(0,0)<cr>
    nnoremap <buffer> <silent> <Plug>NetrwBadd_cB                :<c-u>call <SID>NetrwBadd(0,1)<cr>
    nnoremap <buffer> <silent> <Plug>NetrwLcd                    :<c-u>call <SID>NetrwLcd(b:netrw_curdir)<cr>
    nnoremap <buffer> <silent> <Plug>NetrwSetChgwin              :<c-u>call <SID>NetrwSetChgwin()<cr>
    nnoremap <buffer> <silent> <Plug>NetrwRefresh                :<c-u>call <SID>NetrwRefresh(0,<SID>NetrwBrowseChgDir(0,'./',0))<cr>
    nnoremap <buffer> <silent> <Plug>NetrwLocalBrowseCheck       :<c-u>call <SID>NetrwBrowse(0,<SID>NetrwBrowseChgDir(0,<SID>NetrwGetWord(),1))<cr>
    nnoremap <buffer> <silent> <Plug>NetrwServerEdit             :<c-u>call <SID>NetrwServerEdit(2,<SID>NetrwGetWord())<cr>
    nnoremap <buffer> <silent> <Plug>NetrwBookHistHandler_gb     :<c-u>call <SID>NetrwBookHistHandler(1,b:netrw_curdir)<cr>
    " ---------------------------------------------------------------------
    nnoremap <buffer> <silent> <nowait> gd       :<c-u>call <SID>NetrwForceChgDir(0,<SID>NetrwGetWord())<cr>
    nnoremap <buffer> <silent> <nowait> gf       :<c-u>call <SID>NetrwForceFile(0,<SID>NetrwGetWord())<cr>
    nnoremap <buffer> <silent> <nowait> gh       :<c-u>call <SID>NetrwHidden(0)<cr>
    nnoremap <buffer> <silent> <nowait> gp       :<c-u>call <SID>NetrwChgPerm(0,b:netrw_curdir)<cr>
    nnoremap <buffer> <silent> <nowait> I        :<c-u>call <SID>NetrwBannerCtrl(1)<cr>
    nnoremap <buffer> <silent> <nowait> i        :<c-u>call <SID>NetrwListStyle(0)<cr>
    nnoremap <buffer> <silent> <nowait> ma       :<c-u>call <SID>NetrwMarkFileArgList(0,0)<cr>
    nnoremap <buffer> <silent> <nowait> mA       :<c-u>call <SID>NetrwMarkFileArgList(0,1)<cr>
    nnoremap <buffer> <silent> <nowait> mb       :<c-u>call <SID>NetrwBookHistHandler(0,b:netrw_curdir)<cr>
    nnoremap <buffer> <silent> <nowait> mB       :<c-u>call <SID>NetrwBookHistHandler(6,b:netrw_curdir)<cr>
    nnoremap <buffer> <silent> <nowait> mc       :<c-u>call <SID>NetrwMarkFileCopy(0)<cr>
    nnoremap <buffer> <silent> <nowait> md       :<c-u>call <SID>NetrwMarkFileDiff(0)<cr>
    nnoremap <buffer> <silent> <nowait> me       :<c-u>call <SID>NetrwMarkFileEdit(0)<cr>
    nnoremap <buffer> <silent> <nowait> mf       :<c-u>call <SID>NetrwMarkFile(0,<SID>NetrwGetWord())<cr>
    nnoremap <buffer> <silent> <nowait> mF       :<c-u>call <SID>NetrwUnmarkList(bufnr("%"),b:netrw_curdir)<cr>
    nnoremap <buffer> <silent> <nowait> mg       :<c-u>call <SID>NetrwMarkFileGrep(0)<cr>
    nnoremap <buffer> <silent> <nowait> mh       :<c-u>call <SID>NetrwMarkHideSfx(0)<cr>
    nnoremap <buffer> <silent> <nowait> mm       :<c-u>call <SID>NetrwMarkFileMove(0)<cr>
    " nnoremap <buffer> <silent> <nowait> mp       :<c-u>call <SID>NetrwMarkFilePrint(0)<cr>
    nnoremap <buffer> <silent> <nowait> mr       :<c-u>call <SID>NetrwMarkFileRegexp(0)<cr>
    nnoremap <buffer> <silent> <nowait> ms       :<c-u>call <SID>NetrwMarkFileSource(0)<cr>
    nnoremap <buffer> <silent> <nowait> mT       :<c-u>call <SID>NetrwMarkFileTag(0)<cr>
    nnoremap <buffer> <silent> <nowait> mt       :<c-u>call <SID>NetrwMarkFileTgt(0)<cr>
    nnoremap <buffer> <silent> <nowait> mu       :<c-u>call <SID>NetrwUnMarkFile(0)<cr>
    nnoremap <buffer> <silent> <nowait> mv       :<c-u>call <SID>NetrwMarkFileVimCmd(0)<cr>
    nnoremap <buffer> <silent> <nowait> mx       :<c-u>call <SID>NetrwMarkFileExe(0,0)<cr>
    nnoremap <buffer> <silent> <nowait> mX       :<c-u>call <SID>NetrwMarkFileExe(0,1)<cr>
    nnoremap <buffer> <silent> <nowait> mz       :<c-u>call <SID>NetrwMarkFileCompress(0)<cr>
    nnoremap <buffer> <silent> <nowait> O        :<c-u>call <SID>NetrwObtain(0)<cr>
    nnoremap <buffer> <silent> <nowait> o        :call <SID>NetrwSplit(0)<cr>
    nnoremap <buffer> <silent> <nowait> p        :<c-u>call <SID>NetrwPreview(<SID>NetrwBrowseChgDir(1,<SID>NetrwGetWord(),1,1))<cr>
    nnoremap <buffer> <silent> <nowait> P        :<c-u>call <SID>NetrwPrevWinOpen(0)<cr>
    nnoremap <buffer> <silent> <nowait> qb       :<c-u>call <SID>NetrwBookHistHandler(2,b:netrw_curdir)<cr>
    nnoremap <buffer> <silent> <nowait> qf       :<c-u>call <SID>NetrwFileInfo(0,<SID>NetrwGetWord())<cr>
    nnoremap <buffer> <silent> <nowait> qF       :<c-u>call <SID>NetrwMarkFileQFEL(0,getqflist())<cr>
    nnoremap <buffer> <silent> <nowait> qL       :<c-u>call <SID>NetrwMarkFileQFEL(0,getloclist(v:count))<cr>
    nnoremap <buffer> <silent> <nowait> r        :<c-u>let g:netrw_sort_direction= (g:netrw_sort_direction =~# 'n')? 'r' : 'n'<bar>exe "norm! 0"<bar>call <SID>NetrwBrowse(0,<SID>NetrwBrowseChgDir(0,'./',0))<cr>
    nnoremap <buffer> <silent> <nowait> s        :call <SID>NetrwSortStyle(0)<cr>
    nnoremap <buffer> <silent> <nowait> S        :<c-u>call <SID>NetSortSequence(0)<cr>
    nnoremap <buffer> <silent> <nowait> Tb       :<c-u>call <SID>NetrwSetTgt(0,'b',v:count1)<cr>
    nnoremap <buffer> <silent> <nowait> t        :call <SID>NetrwSplit(1)<cr>
    nnoremap <buffer> <silent> <nowait> Th       :<c-u>call <SID>NetrwSetTgt(0,'h',v:count)<cr>
    nnoremap <buffer> <silent> <nowait> u        :<c-u>call <SID>NetrwBookHistHandler(4,b:netrw_curdir)<cr>
    nnoremap <buffer> <silent> <nowait> U        :<c-u>call <SID>NetrwBookHistHandler(5,b:netrw_curdir)<cr>
    nnoremap <buffer> <silent> <nowait> v        :call <SID>NetrwSplit(2)<cr>
    nnoremap <buffer> <silent> <nowait> x        :<c-u>call netrw#BrowseX(<SID>NetrwBrowseChgDir(0,<SID>NetrwGetWord(),1),1)<cr>
    nmap     <buffer>          <nowait> gx       x
    if !hasmapto('<Plug>NetrwHideEdit')
      nmap <buffer> <c-h> <Plug>NetrwHideEdit
    endif
    nnoremap <buffer> <silent> <Plug>NetrwHideEdit       :call <SID>NetrwHideEdit(0)<cr>
    if !hasmapto('<Plug>NetrwRefresh')
      nmap <buffer> <c-l> <Plug>NetrwRefresh
    endif
    if !hasmapto('<Plug>NetrwTreeSqueeze')
      nmap <buffer> <silent> <nowait> <s-cr>      <Plug>NetrwTreeSqueeze
    endif
    nnoremap <buffer> <silent> <Plug>NetrwTreeSqueeze    :call <SID>TreeSqueezeDir(0)<cr>

    let mapsafepath     = escape(s:path, s:netrw_map_escape)
    let mapsafeusermach = escape(((s:user == "")? "" : s:user."@").s:machine, s:netrw_map_escape)

    nnoremap <buffer> <silent> <Plug>NetrwRefresh        :call <SID>NetrwRefresh(0,<SID>NetrwBrowseChgDir(0,'./',0))<cr>
    if g:netrw_mousemaps == 1
      nmap <buffer> <leftmouse>           <Plug>NetrwLeftmouse
      nno  <buffer> <silent>              <Plug>NetrwLeftmouse    :exec "norm! \<lt>leftmouse>"<bar>call <SID>NetrwLeftmouse(0)<cr>
      nmap <buffer> <c-leftmouse>         <Plug>NetrwCLeftmouse
      nno  <buffer> <silent>              <Plug>NetrwCLeftmouse   :exec "norm! \<lt>leftmouse>"<bar>call <SID>NetrwCLeftmouse(0)<cr>
      nmap <buffer> <s-leftmouse>         <Plug>NetrwSLeftmouse
      nno  <buffer> <silent>              <Plug>NetrwSLeftmouse   :exec "norm! \<lt>leftmouse>"<bar>call <SID>NetrwSLeftmouse(0)<cr>
      nmap <buffer> <s-leftdrag>          <Plug>NetrwSLeftdrag
      nno  <buffer> <silent>              <Plug>NetrwSLeftdrag    :exec "norm! \<lt>leftmouse>"<bar>call <SID>NetrwSLeftdrag(0)<cr>
      nmap <middlemouse>                  <Plug>NetrwMiddlemouse
      nno  <buffer> <silent>              <middlemouse>           <Plug>NetrwMiddlemouse :exec "norm! \<lt>leftmouse>"<bar>call <SID>NetrwPrevWinOpen(0)<cr>
      nmap <buffer> <2-leftmouse>         <Plug>Netrw2Leftmouse
      nmap <buffer> <silent>              <Plug>Netrw2Leftmouse   -
        imap <buffer> <leftmouse>           <Plug>ILeftmouse
      imap <buffer> <middlemouse>         <Plug>IMiddlemouse
      imap <buffer> <s-leftmouse>         <Plug>ISLeftmouse
      exe 'nnoremap <buffer> <silent> <rightmouse> :exec "norm! \<lt>leftmouse>"<bar>call <SID>NetrwRemoteRm("'.mapsafeusermach.'","'.mapsafepath.'")<cr>'
      exe 'vnoremap <buffer> <silent> <rightmouse> :exec "norm! \<lt>leftmouse>"<bar>call <SID>NetrwRemoteRm("'.mapsafeusermach.'","'.mapsafepath.'")<cr>'
    endif
    exe 'nnoremap <buffer> <silent> <nowait> <del>       :call <SID>NetrwRemoteRm("'.mapsafeusermach.'","'.mapsafepath.'")<cr>'
    exe 'nnoremap <buffer> <silent> <nowait> d           :call <SID>NetrwMakeDir("'.mapsafeusermach.'")<cr>'
    exe 'nnoremap <buffer> <silent> <nowait> D           :call <SID>NetrwRemoteRm("'.mapsafeusermach.'","'.mapsafepath.'")<cr>'
    exe 'nnoremap <buffer> <silent> <nowait> R           :call <SID>NetrwRemoteRename("'.mapsafeusermach.'","'.mapsafepath.'")<cr>'
    exe 'vnoremap <buffer> <silent> <nowait> <del>       :call <SID>NetrwRemoteRm("'.mapsafeusermach.'","'.mapsafepath.'")<cr>'
    exe 'vnoremap <buffer> <silent> <nowait> D           :call <SID>NetrwRemoteRm("'.mapsafeusermach.'","'.mapsafepath.'")<cr>'
    exe 'vnoremap <buffer> <silent> <nowait> R           :call <SID>NetrwRemoteRename("'.mapsafeusermach.'","'.mapsafepath.'")<cr>'
    nnoremap <buffer> <F1>                       :he netrw-quickhelp<cr>

    " support user-specified maps
    call netrw#UserMaps(0)
  endif " }}}3
endfun

" ---------------------------------------------------------------------
" s:NetrwCommands: set up commands                              {{{2
"  If -buffer, the command is only available from within netrw buffers
"  Otherwise, the command is available from any window, so long as netrw
"  has been used at least once in the session.
fun! s:NetrwCommands(islocal)
  "  call Dfunc("s:NetrwCommands(islocal=".a:islocal.")")

  com! -nargs=* -complete=file -bang    NetrwMB call s:NetrwBookmark(<bang>0,<f-args>)
  com! -nargs=*                         NetrwC  call s:NetrwSetChgwin(<q-args>)
  com! Rexplore if exists("w:netrw_rexlocal")|call s:NetrwRexplore(w:netrw_rexlocal,exists("w:netrw_rexdir")? w:netrw_rexdir : ".")|else|call netrw#ErrorMsg(s:WARNING,"win#".winnr()." not a former netrw window",79)|endif
  if a:islocal
    com! -buffer -nargs=+ -complete=file MF      call s:NetrwMarkFiles(1,<f-args>)
  else
    com! -buffer -nargs=+ -complete=file MF      call s:NetrwMarkFiles(0,<f-args>)
  endif
  com! -buffer -nargs=? -complete=file  MT      call s:NetrwMarkTarget(<q-args>)

  "  call Dret("s:NetrwCommands")
endfun

" ---------------------------------------------------------------------
" s:NetrwMarkFiles: apply s:NetrwMarkFile() to named file(s) {{{2
"                   glob()ing only works with local files
fun! s:NetrwMarkFiles(islocal,...)
  "  call Dfunc("s:NetrwMarkFiles(islocal=".a:islocal."...) a:0=".a:0)
  let curdir = s:NetrwGetCurdir(a:islocal)
  let i      = 1
  while i <= a:0
    if a:islocal
      if v:version > 704 || (v:version == 704 && has("patch656"))
        let mffiles= glob(a:{i},0,1,1)
      else
        let mffiles= glob(a:{i},0,1)
      endif
    else
      let mffiles= [a:{i}]
    endif
    "   call Decho("mffiles".string(mffiles),'~'.expand("<slnum>"))
    for mffile in mffiles
      "    call Decho("mffile<".mffile.">",'~'.expand("<slnum>"))
      call s:NetrwMarkFile(a:islocal,mffile)
    endfor
    let i= i + 1
  endwhile
  "  call Dret("s:NetrwMarkFiles")
endfun

" ---------------------------------------------------------------------
" s:NetrwMarkTarget: implements :MT (mark target) {{{2
fun! s:NetrwMarkTarget(...)
  if a:0 == 0 || (a:0 == 1 && a:1 == "")
    let curdir = s:NetrwGetCurdir(1)
    let tgt    = b:netrw_curdir
  else
    let curdir = s:NetrwGetCurdir((a:1 =~ '^\a\{3,}://')? 0 : 1)
    let tgt    = a:1
  endif
  let s:netrwmftgt         = tgt
  let s:netrwmftgt_islocal = tgt !~ '^\a\{3,}://'
  let curislocal           = b:netrw_curdir !~ '^\a\{3,}://'
  let svpos                = winsaveview()
  call s:NetrwRefresh(curislocal,s:NetrwBrowseChgDir(curislocal,'./',0))
  call winrestview(svpos)
endfun

" ---------------------------------------------------------------------
" s:NetrwMarkFile: (invoked by mf) This function is used to both {{{2
"                  mark and unmark files.  If a markfile list exists,
"                  then the rename and delete functions will use it instead
"                  of whatever may happen to be under the cursor at that
"                  moment.  When the mouse and gui are available,
"                  shift-leftmouse may also be used to mark files.
"
"  Creates two lists
"    s:netrwmarkfilelist    -- holds complete paths to all marked files
"    s:netrwmarkfilelist_#  -- holds list of marked files in current-buffer's directory (#==bufnr())
"
"  Creates a marked file match string
"    s:netrwmarfilemtch_#   -- used with 2match to display marked files
"
"  Creates a buffer version of islocal
"    b:netrw_islocal
fun! s:NetrwMarkFile(islocal,fname)
  "  call Dfunc("s:NetrwMarkFile(islocal=".a:islocal." fname<".a:fname.">)")
  "  call Decho("bufnr(%)=".bufnr("%").": ".bufname("%"),'~'.expand("<slnum>"))

  " sanity check
  if empty(a:fname)
    "   call Dret("s:NetrwMarkFile : empty fname")
    return
  endif
  let curdir = s:NetrwGetCurdir(a:islocal)

  let ykeep   = @@
  let curbufnr= bufnr("%")
  let leader= '\%(^\|\s\)\zs'
  if a:fname =~ '\a$'
    let trailer = '\>[@=|\/\*]\=\ze\%(  \|\t\|$\)'
  else
    let trailer = '[@=|\/\*]\=\ze\%(  \|\t\|$\)'
  endif

  if exists("s:netrwmarkfilelist_".curbufnr)
    " markfile list pre-exists
    "   call Decho("case s:netrwmarkfilelist_".curbufnr." already exists",'~'.expand("<slnum>"))
    "   call Decho("starting s:netrwmarkfilelist_".curbufnr."<".string(s:netrwmarkfilelist_{curbufnr}).">",'~'.expand("<slnum>"))
    "   call Decho("starting s:netrwmarkfilemtch_".curbufnr."<".s:netrwmarkfilemtch_{curbufnr}.">",'~'.expand("<slnum>"))
    let b:netrw_islocal= a:islocal

    if index(s:netrwmarkfilelist_{curbufnr},a:fname) == -1
      " append filename to buffer's markfilelist
      "    call Decho("append filename<".a:fname."> to local markfilelist_".curbufnr."<".string(s:netrwmarkfilelist_{curbufnr}).">",'~'.expand("<slnum>"))
      call add(s:netrwmarkfilelist_{curbufnr},a:fname)
      let s:netrwmarkfilemtch_{curbufnr}= s:netrwmarkfilemtch_{curbufnr}.'\|'.leader.escape(a:fname,g:netrw_markfileesc).trailer

    else
      " remove filename from buffer's markfilelist
      "    call Decho("remove filename<".a:fname."> from local markfilelist_".curbufnr."<".string(s:netrwmarkfilelist_{curbufnr}).">",'~'.expand("<slnum>"))
      call filter(s:netrwmarkfilelist_{curbufnr},'v:val != a:fname')
      if s:netrwmarkfilelist_{curbufnr} == []
        " local markfilelist is empty; remove it entirely
        "     call Decho("markfile list now empty",'~'.expand("<slnum>"))
        call s:NetrwUnmarkList(curbufnr,curdir)
      else
        " rebuild match list to display markings correctly
        "     call Decho("rebuild s:netrwmarkfilemtch_".curbufnr,'~'.expand("<slnum>"))
        let s:netrwmarkfilemtch_{curbufnr}= ""
        let first                         = 1
        for fname in s:netrwmarkfilelist_{curbufnr}
          if first
            let s:netrwmarkfilemtch_{curbufnr}= s:netrwmarkfilemtch_{curbufnr}.leader.escape(fname,g:netrw_markfileesc).trailer
          else
            let s:netrwmarkfilemtch_{curbufnr}= s:netrwmarkfilemtch_{curbufnr}.'\|'.leader.escape(fname,g:netrw_markfileesc).trailer
          endif
          let first= 0
        endfor
        "     call Decho("ending s:netrwmarkfilelist_".curbufnr."<".string(s:netrwmarkfilelist_{curbufnr}).">",'~'.expand("<slnum>"))
      endif
    endif

  else
    " initialize new markfilelist
    "   call Decho("case: initialize new markfilelist",'~'.expand("<slnum>"))

    "   call Decho("add fname<".a:fname."> to new markfilelist_".curbufnr,'~'.expand("<slnum>"))
    let s:netrwmarkfilelist_{curbufnr}= []
    call add(s:netrwmarkfilelist_{curbufnr},substitute(a:fname,'[|@]$','',''))
    "   call Decho("ending s:netrwmarkfilelist_{curbufnr}<".string(s:netrwmarkfilelist_{curbufnr}).">",'~'.expand("<slnum>"))

    " build initial markfile matching pattern
    if a:fname =~ '/$'
      let s:netrwmarkfilemtch_{curbufnr}= leader.escape(a:fname,g:netrw_markfileesc)
    else
      let s:netrwmarkfilemtch_{curbufnr}= leader.escape(a:fname,g:netrw_markfileesc).trailer
    endif
    "   call Decho("ending s:netrwmarkfilemtch_".curbufnr."<".s:netrwmarkfilemtch_{curbufnr}.">",'~'.expand("<slnum>"))
  endif

  " handle global markfilelist
  if exists("s:netrwmarkfilelist")
    let dname= s:ComposePath(b:netrw_curdir,a:fname)
    if index(s:netrwmarkfilelist,dname) == -1
      " append new filename to global markfilelist
      call add(s:netrwmarkfilelist,s:ComposePath(b:netrw_curdir,a:fname))
    "    call Decho("append filename<".a:fname."> to global s:markfilelist<".string(s:netrwmarkfilelist).">",'~'.expand("<slnum>"))
    else
      " remove new filename from global markfilelist
      "    call Decho("remove new filename from global s:markfilelist",'~'.expand("<slnum>"))
      "    call Decho("..filter(".string(s:netrwmarkfilelist).",'v:val != '.".dname.")",'~'.expand("<slnum>"))
      call filter(s:netrwmarkfilelist,'v:val != "'.dname.'"')
      "    call Decho("..ending s:netrwmarkfilelist  <".string(s:netrwmarkfilelist).">",'~'.expand("<slnum>"))
      if s:netrwmarkfilelist == []
        "     call Decho("s:netrwmarkfilelist is empty; unlet it",'~'.expand("<slnum>"))
        unlet s:netrwmarkfilelist
      endif
    endif
  else
    " initialize new global-directory markfilelist
    let s:netrwmarkfilelist= []
    call add(s:netrwmarkfilelist,s:ComposePath(b:netrw_curdir,a:fname))
    "   call Decho("init s:netrwmarkfilelist<".string(s:netrwmarkfilelist).">",'~'.expand("<slnum>"))
  endif

  " set up 2match'ing to netrwmarkfilemtch_# list
  if has("syntax") && exists("g:syntax_on") && g:syntax_on
    if exists("s:netrwmarkfilemtch_{curbufnr}") && s:netrwmarkfilemtch_{curbufnr} != ""
      " "   call Decho("exe 2match netrwMarkFile /".s:netrwmarkfilemtch_{curbufnr}."/",'~'.expand("<slnum>"))
      if exists("g:did_drchip_netrwlist_syntax")
        exe "2match netrwMarkFile /".s:netrwmarkfilemtch_{curbufnr}."/"
      endif
    else
      " "   call Decho("2match none",'~'.expand("<slnum>"))
      2match none
    endif
  endif
  let @@= ykeep
  "  call Decho("s:netrwmarkfilelist[".(exists("s:netrwmarkfilelist")? string(s:netrwmarkfilelist) : "")."] (avail in all buffers)",'~'.expand("<slnum>"))
  "  call Dret("s:NetrwMarkFile : s:netrwmarkfilelist_".curbufnr."<".(exists("s:netrwmarkfilelist_{curbufnr}")? string(s:netrwmarkfilelist_{curbufnr}) : " doesn't exist").">  (buf#".curbufnr."list)")
endfun

" ---------------------------------------------------------------------
" s:NetrwMarkFileArgList: ma: move the marked file list to the argument list (tomflist=0) {{{2
"                         mA: move the argument list to marked file list     (tomflist=1)
"                            Uses the global marked file list
fun! s:NetrwMarkFileArgList(islocal,tomflist)
  let svpos    = winsaveview()
  let curdir   = s:NetrwGetCurdir(a:islocal)
  let curbufnr = bufnr("%")

  if a:tomflist
    " mA: move argument list to marked file list
    while argc()
      let fname= argv(0)
      exe "argdel ".fnameescape(fname)
      call s:NetrwMarkFile(a:islocal,fname)
    endwhile

  else
    " ma: move marked file list to argument list
    if exists("s:netrwmarkfilelist")

      " for every filename in the marked list
      for fname in s:netrwmarkfilelist
        exe "argadd ".fnameescape(fname)
      endfor      " for every file in the marked list

      " unmark list and refresh
      call s:NetrwUnmarkList(curbufnr,curdir)
      NetrwKeepj call s:NetrwRefresh(a:islocal,s:NetrwBrowseChgDir(a:islocal,'./',0))
      NetrwKeepj call winrestview(svpos)
    endif
  endif
endfun

" ---------------------------------------------------------------------
" s:NetrwMarkFileCompress: (invoked by mz) This function is used to {{{2
"                          compress/decompress files using the programs
"                          in g:netrw_compress and g:netrw_uncompress,
"                          using g:netrw_compress_suffix to know which to
"                          do.  By default:
"                            g:netrw_compress        = "gzip"
"                            g:netrw_decompress      = { ".gz" : "gunzip" , ".bz2" : "bunzip2" , ".zip" : "unzip" , ".tar" : "tar -xf", ".xz" : "unxz"}
fun! s:NetrwMarkFileCompress(islocal)
  let svpos    = winsaveview()
  let curdir   = s:NetrwGetCurdir(a:islocal)
  let curbufnr = bufnr("%")

  " sanity check
  if !exists("s:netrwmarkfilelist_{curbufnr}") || empty(s:netrwmarkfilelist_{curbufnr})
    NetrwKeepj call netrw#ErrorMsg(2,"there are no marked files in this window (:help netrw-mf)",66)
    return
  endif

  if exists("s:netrwmarkfilelist_{curbufnr}") && exists("g:netrw_compress") && exists("g:netrw_decompress")

    " for every filename in the marked list
    for fname in s:netrwmarkfilelist_{curbufnr}
      let sfx= substitute(fname,'^.\{-}\(\.[[:alnum:]]\+\)$','\1','')
      if exists("g:netrw_decompress['".sfx."']")
        " fname has a suffix indicating that its compressed; apply associated decompression routine
        let exe= g:netrw_decompress[sfx]
        let exe= netrw#WinPath(exe)
        if a:islocal
          if g:netrw_keepdir
            let fname= s:ShellEscape(s:ComposePath(curdir,fname))
          endif
          call system(exe." ".fname)
          if v:shell_error
            NetrwKeepj call netrw#ErrorMsg(s:WARNING,"unable to apply<".exe."> to file<".fname.">",50)
          endif
        else
          let fname= s:ShellEscape(b:netrw_curdir.fname,1)
          NetrwKeepj call s:RemoteSystem(exe." ".fname)
        endif

      endif
      unlet sfx

      if exists("exe")
        unlet exe
      elseif a:islocal
        " fname not a compressed file, so compress it
        call system(netrw#WinPath(g:netrw_compress)." ".s:ShellEscape(s:ComposePath(b:netrw_curdir,fname)))
        if v:shell_error
          call netrw#ErrorMsg(s:WARNING,"consider setting g:netrw_compress<".g:netrw_compress."> to something that works",104)
        endif
      else
        " fname not a compressed file, so compress it
        NetrwKeepj call s:RemoteSystem(netrw#WinPath(g:netrw_compress)." ".s:ShellEscape(fname))
      endif
    endfor       " for every file in the marked list

    call s:NetrwUnmarkList(curbufnr,curdir)
    NetrwKeepj call s:NetrwRefresh(a:islocal,s:NetrwBrowseChgDir(a:islocal,'./',0))
    NetrwKeepj call winrestview(svpos)
  endif
endfun

" ---------------------------------------------------------------------
" s:NetrwMarkFileCopy: (invoked by mc) copy marked files to target {{{2
"                      If no marked files, then set up directory as the
"                      target.  Currently does not support copying entire
"                      directories.  Uses the local-buffer marked file list.
"                      Returns 1=success  (used by NetrwMarkFileMove())
"                              0=failure
fun! s:NetrwMarkFileCopy(islocal,...)
  "  call Dfunc("s:NetrwMarkFileCopy(islocal=".a:islocal.") target<".(exists("s:netrwmftgt")? s:netrwmftgt : '---')."> a:0=".a:0)

  let curdir   = s:NetrwGetCurdir(a:islocal)
  let curbufnr = bufnr("%")
  if b:netrw_curdir !~ '/$'
    if !exists("b:netrw_curdir")
      let b:netrw_curdir= curdir
    endif
    let b:netrw_curdir= b:netrw_curdir."/"
  endif

  " sanity check
  if !exists("s:netrwmarkfilelist_{curbufnr}") || empty(s:netrwmarkfilelist_{curbufnr})
    NetrwKeepj call netrw#ErrorMsg(2,"there are no marked files in this window (:help netrw-mf)",66)
    "   call Dret("s:NetrwMarkFileCopy")
    return
  endif
  "  call Decho("sanity chk passed: s:netrwmarkfilelist_".curbufnr."<".string(s:netrwmarkfilelist_{curbufnr}),'~'.expand("<slnum>"))

  if !exists("s:netrwmftgt")
    NetrwKeepj call netrw#ErrorMsg(s:ERROR,"your marked file target is empty! (:help netrw-mt)",67)
    "   call Dret("s:NetrwMarkFileCopy 0")
    return 0
  endif
  "  call Decho("sanity chk passed: s:netrwmftgt<".s:netrwmftgt.">",'~'.expand("<slnum>"))

  if a:islocal &&  s:netrwmftgt_islocal
    " Copy marked files, local directory to local directory
    "   call Decho("copy from local to local",'~'.expand("<slnum>"))
    if !executable(g:netrw_localcopycmd)
      call netrw#ErrorMsg(s:ERROR,"g:netrw_localcopycmd<".g:netrw_localcopycmd."> not executable on your system, aborting",91)
      "    call Dfunc("s:NetrwMarkFileMove : g:netrw_localcopycmd<".g:netrw_localcopycmd."> n/a!")
      return
    endif

    " copy marked files while within the same directory (ie. allow renaming)
    if s:StripTrailingSlash(simplify(s:netrwmftgt)) == s:StripTrailingSlash(simplify(b:netrw_curdir))
      if len(s:netrwmarkfilelist_{bufnr('%')}) == 1
        " only one marked file
        "     call Decho("case: only one marked file",'~'.expand("<slnum>"))
        let args    = s:ShellEscape(b:netrw_curdir.s:netrwmarkfilelist_{bufnr('%')}[0])
        let oldname = s:netrwmarkfilelist_{bufnr('%')}[0]
      elseif a:0 == 1
        "     call Decho("case: handling one input argument",'~'.expand("<slnum>"))
        " this happens when the next case was used to recursively call s:NetrwMarkFileCopy()
        let args    = s:ShellEscape(b:netrw_curdir.a:1)
        let oldname = a:1
      else
        " copy multiple marked files inside the same directory
        "     call Decho("case: handling a multiple marked files",'~'.expand("<slnum>"))
        let s:recursive= 1
        for oldname in s:netrwmarkfilelist_{bufnr("%")}
          let ret= s:NetrwMarkFileCopy(a:islocal,oldname)
          if ret == 0
            break
          endif
        endfor
        unlet s:recursive
        call s:NetrwUnmarkList(curbufnr,curdir)
        "     call Dret("s:NetrwMarkFileCopy ".ret)
        return ret
      endif

      call inputsave()
      let newname= input("Copy ".oldname." to : ",oldname,"file")
      call inputrestore()
      if newname == ""
        "     call Dret("s:NetrwMarkFileCopy 0")
        return 0
      endif
      let args= s:ShellEscape(oldname)
      let tgt = s:ShellEscape(s:netrwmftgt.'/'.newname)
    else
      let args= join(map(deepcopy(s:netrwmarkfilelist_{bufnr('%')}),"s:ShellEscape(b:netrw_curdir.\"/\".v:val)"))
      let tgt = s:ShellEscape(s:netrwmftgt)
    endif
    if !g:netrw_cygwin && has("win32")
      let args= substitute(args,'/','\\','g')
      let tgt = substitute(tgt, '/','\\','g')
    endif
    if args =~ "'" |let args= substitute(args,"'\\(.*\\)'",'\1','')|endif
    if tgt  =~ "'" |let tgt = substitute(tgt ,"'\\(.*\\)'",'\1','')|endif
    if args =~ '//'|let args= substitute(args,'//','/','g')|endif
    if tgt  =~ '//'|let tgt = substitute(tgt ,'//','/','g')|endif
    "   call Decho("args   <".args.">",'~'.expand("<slnum>"))
    "   call Decho("tgt    <".tgt.">",'~'.expand("<slnum>"))
    if isdirectory(s:NetrwFile(args))
      "    call Decho("args<".args."> is a directory",'~'.expand("<slnum>"))
      let copycmd= g:netrw_localcopydircmd
      "    call Decho("using copydircmd<".copycmd.">",'~'.expand("<slnum>"))
      if !g:netrw_cygwin && has("win32")
        " window's xcopy doesn't copy a directory to a target properly.  Instead, it copies a directory's
        " contents to a target.  One must append the source directory name to the target to get xcopy to
        " do the right thing.
        let tgt= tgt.'\'.substitute(a:1,'^.*[\\/]','','')
        "     call Decho("modified tgt for xcopy",'~'.expand("<slnum>"))
      endif
    else
      let copycmd= g:netrw_localcopycmd
    endif
    if g:netrw_localcopycmd =~ '\s'
      let copycmd     = substitute(copycmd,'\s.*$','','')
      let copycmdargs = substitute(copycmd,'^.\{-}\(\s.*\)$','\1','')
      let copycmd     = netrw#WinPath(copycmd).copycmdargs
    else
      let copycmd = netrw#WinPath(copycmd)
    endif
    "   call Decho("args   <".args.">",'~'.expand("<slnum>"))
    "   call Decho("tgt    <".tgt.">",'~'.expand("<slnum>"))
    "   call Decho("copycmd<".copycmd.">",'~'.expand("<slnum>"))
    "   call Decho("system(".copycmd." '".args."' '".tgt."')",'~'.expand("<slnum>"))
    call system(copycmd.g:netrw_localcopycmdopt." '".args."' '".tgt."'")
    if v:shell_error != 0
      if exists("b:netrw_curdir") && b:netrw_curdir != getcwd() && g:netrw_keepdir
        call netrw#ErrorMsg(s:ERROR,"copy failed; perhaps due to vim's current directory<".getcwd()."> not matching netrw's (".b:netrw_curdir.") (see :help netrw-cd)",101)
      else
        call netrw#ErrorMsg(s:ERROR,"tried using g:netrw_localcopycmd<".g:netrw_localcopycmd.">; it doesn't work!",80)
      endif
      "    call Dret("s:NetrwMarkFileCopy 0 : failed: system(".g:netrw_localcopycmd." ".args." ".s:ShellEscape(s:netrwmftgt))
      return 0
    endif

  elseif  a:islocal && !s:netrwmftgt_islocal
    " Copy marked files, local directory to remote directory
    "   call Decho("copy from local to remote",'~'.expand("<slnum>"))
    NetrwKeepj call s:NetrwUpload(s:netrwmarkfilelist_{bufnr('%')},s:netrwmftgt)

  elseif !a:islocal &&  s:netrwmftgt_islocal
    " Copy marked files, remote directory to local directory
    "   call Decho("copy from remote to local",'~'.expand("<slnum>"))
    NetrwKeepj call netrw#Obtain(a:islocal,s:netrwmarkfilelist_{bufnr('%')},s:netrwmftgt)

  elseif !a:islocal && !s:netrwmftgt_islocal
    " Copy marked files, remote directory to remote directory
    "   call Decho("copy from remote to remote",'~'.expand("<slnum>"))
    let curdir = getcwd()
    let tmpdir = s:GetTempfile("")
    if tmpdir !~ '/'
      let tmpdir= curdir."/".tmpdir
    endif
    if exists("*mkdir")
      call mkdir(tmpdir)
    else
      call s:NetrwExe("sil! !".g:netrw_localmkdir.g:netrw_localmkdiropt.' '.s:ShellEscape(tmpdir,1))
      if v:shell_error != 0
        call netrw#ErrorMsg(s:WARNING,"consider setting g:netrw_localmkdir<".g:netrw_localmkdir."> to something that works",80)
        "     call Dret("s:NetrwMarkFileCopy : failed: sil! !".g:netrw_localmkdir.' '.s:ShellEscape(tmpdir,1) )
        return
      endif
    endif
    if isdirectory(s:NetrwFile(tmpdir))
      if s:NetrwLcd(tmpdir)
        "     call Dret("s:NetrwMarkFileCopy : lcd failure")
        return
      endif
      NetrwKeepj call netrw#Obtain(a:islocal,s:netrwmarkfilelist_{bufnr('%')},tmpdir)
      let localfiles= map(deepcopy(s:netrwmarkfilelist_{bufnr('%')}),'substitute(v:val,"^.*/","","")')
      NetrwKeepj call s:NetrwUpload(localfiles,s:netrwmftgt)
      if getcwd() == tmpdir
        for fname in s:netrwmarkfilelist_{bufnr('%')}
          NetrwKeepj call s:NetrwDelete(fname)
        endfor
        if s:NetrwLcd(curdir)
          "      call Dret("s:NetrwMarkFileCopy : lcd failure")
          return
        endif
        if delete(tmpdir,"d")
          call netrw#ErrorMsg(s:ERROR,"unable to delete directory <".tmpdir.">!",103)
        endif
      else
        if s:NetrwLcd(curdir)
          "      call Dret("s:NetrwMarkFileCopy : lcd failure")
          return
        endif
      endif
    endif
  endif

  " -------
  " cleanup
  " -------
  "  call Decho("cleanup",'~'.expand("<slnum>"))
  " remove markings from local buffer
  call s:NetrwUnmarkList(curbufnr,curdir)                   " remove markings from local buffer
  "  call Decho(" g:netrw_fastbrowse  =".g:netrw_fastbrowse,'~'.expand("<slnum>"))
  "  call Decho(" s:netrwmftgt        =".s:netrwmftgt,'~'.expand("<slnum>"))
  "  call Decho(" s:netrwmftgt_islocal=".s:netrwmftgt_islocal,'~'.expand("<slnum>"))
  "  call Decho(" curdir              =".curdir,'~'.expand("<slnum>"))
  "  call Decho(" a:islocal           =".a:islocal,'~'.expand("<slnum>"))
  "  call Decho(" curbufnr            =".curbufnr,'~'.expand("<slnum>"))
  if exists("s:recursive")
  "   call Decho(" s:recursive         =".s:recursive,'~'.expand("<slnum>"))
  else
    "   call Decho(" s:recursive         =n/a",'~'.expand("<slnum>"))
  endif
  " see s:LocalFastBrowser() for g:netrw_fastbrowse interpretation (refreshing done for both slow and medium)
  if g:netrw_fastbrowse <= 1
    NetrwKeepj call s:LocalBrowseRefresh()
  else
    " refresh local and targets for fast browsing
    if !exists("s:recursive")
      " remove markings from local buffer
      "    call Decho(" remove markings from local buffer",'~'.expand("<slnum>"))
      NetrwKeepj call s:NetrwUnmarkList(curbufnr,curdir)
    endif

    " refresh buffers
    if s:netrwmftgt_islocal
      "    call Decho(" refresh s:netrwmftgt=".s:netrwmftgt,'~'.expand("<slnum>"))
      NetrwKeepj call s:NetrwRefreshDir(s:netrwmftgt_islocal,s:netrwmftgt)
    endif
    if a:islocal && s:netrwmftgt != curdir
      "    call Decho(" refresh curdir=".curdir,'~'.expand("<slnum>"))
      NetrwKeepj call s:NetrwRefreshDir(a:islocal,curdir)
    endif
  endif

  "  call Dret("s:NetrwMarkFileCopy 1")
  return 1
endfun

" ---------------------------------------------------------------------
" s:NetrwMarkFileDiff: (invoked by md) This function is used to {{{2
"                      invoke vim's diff mode on the marked files.
"                      Either two or three files can be so handled.
"                      Uses the global marked file list.
fun! s:NetrwMarkFileDiff(islocal)
  "  call Dfunc("s:NetrwMarkFileDiff(islocal=".a:islocal.") b:netrw_curdir<".b:netrw_curdir.">")
  let curbufnr= bufnr("%")

  " sanity check
  if !exists("s:netrwmarkfilelist_{curbufnr}") || empty(s:netrwmarkfilelist_{curbufnr})
    NetrwKeepj call netrw#ErrorMsg(2,"there are no marked files in this window (:help netrw-mf)",66)
    "   call Dret("s:NetrwMarkFileDiff")
    return
  endif
  let curdir= s:NetrwGetCurdir(a:islocal)
  "  call Decho("sanity chk passed: s:netrwmarkfilelist_".curbufnr."<".string(s:netrwmarkfilelist_{curbufnr}),'~'.expand("<slnum>"))

  if exists("s:netrwmarkfilelist_{".curbufnr."}")
    let cnt    = 0
    for fname in s:netrwmarkfilelist
      let cnt= cnt + 1
      if cnt == 1
        "     call Decho("diffthis: fname<".fname.">",'~'.expand("<slnum>"))
        exe "NetrwKeepj e ".fnameescape(fname)
        diffthis
      elseif cnt == 2 || cnt == 3
        below vsplit
        "     call Decho("diffthis: ".fname,'~'.expand("<slnum>"))
        exe "NetrwKeepj e ".fnameescape(fname)
        diffthis
      else
        break
      endif
    endfor
    call s:NetrwUnmarkList(curbufnr,curdir)
  endif

  "  call Dret("s:NetrwMarkFileDiff")
endfun

" ---------------------------------------------------------------------
" s:NetrwMarkFileEdit: (invoked by me) put marked files on arg list and start editing them {{{2
"                       Uses global markfilelist
fun! s:NetrwMarkFileEdit(islocal)
  "  call Dfunc("s:NetrwMarkFileEdit(islocal=".a:islocal.")")

  let curdir   = s:NetrwGetCurdir(a:islocal)
  let curbufnr = bufnr("%")

  " sanity check
  if !exists("s:netrwmarkfilelist_{curbufnr}") || empty(s:netrwmarkfilelist_{curbufnr})
    NetrwKeepj call netrw#ErrorMsg(2,"there are no marked files in this window (:help netrw-mf)",66)
    "   call Dret("s:NetrwMarkFileEdit")
    return
  endif
  "  call Decho("sanity chk passed: s:netrwmarkfilelist_".curbufnr."<".string(s:netrwmarkfilelist_{curbufnr}),'~'.expand("<slnum>"))

  if exists("s:netrwmarkfilelist_{curbufnr}")
    call s:SetRexDir(a:islocal,curdir)
    let flist= join(map(deepcopy(s:netrwmarkfilelist), "fnameescape(v:val)"))
    " unmark markedfile list
    "   call s:NetrwUnmarkList(curbufnr,curdir)
    call s:NetrwUnmarkAll()
    "   call Decho("exe sil args ".flist,'~'.expand("<slnum>"))
    exe "sil args ".flist
  endif
  echo "(use :bn, :bp to navigate files; :Rex to return)"

  "  call Dret("s:NetrwMarkFileEdit")
endfun

" ---------------------------------------------------------------------
" s:NetrwMarkFileQFEL: convert a quickfix-error or location list into a marked file list {{{2
fun! s:NetrwMarkFileQFEL(islocal,qfel)
  "  call Dfunc("s:NetrwMarkFileQFEL(islocal=".a:islocal.",qfel)")
  call s:NetrwUnmarkAll()
  let curbufnr= bufnr("%")

  if !empty(a:qfel)
    for entry in a:qfel
      let bufnmbr= entry["bufnr"]
      "    call Decho("bufname(".bufnmbr.")<".bufname(bufnmbr)."> line#".entry["lnum"]." text=".entry["text"],'~'.expand("<slnum>"))
      if !exists("s:netrwmarkfilelist_{curbufnr}")
        "     call Decho("case: no marked file list",'~'.expand("<slnum>"))
        call s:NetrwMarkFile(a:islocal,bufname(bufnmbr))
      elseif index(s:netrwmarkfilelist_{curbufnr},bufname(bufnmbr)) == -1
        " s:NetrwMarkFile will remove duplicate entries from the marked file list.
        " So, this test lets two or more hits on the same pattern to be ignored.
        "     call Decho("case: ".bufname(bufnmbr)." not currently in marked file list",'~'.expand("<slnum>"))
        call s:NetrwMarkFile(a:islocal,bufname(bufnmbr))
      else
        "     call Decho("case: ".bufname(bufnmbr)." already in marked file list",'~'.expand("<slnum>"))
      endif
    endfor
    echo "(use me to edit marked files)"
  else
    call netrw#ErrorMsg(s:WARNING,"can't convert quickfix error list; its empty!",92)
  endif

  "  call Dret("s:NetrwMarkFileQFEL")
endfun

" ---------------------------------------------------------------------
" s:NetrwMarkFileExe: (invoked by mx and mX) execute arbitrary system command on marked files {{{2
"                     mx enbloc=0: Uses the local marked-file list, applies command to each file individually
"                     mX enbloc=1: Uses the global marked-file list, applies command to entire list
fun! s:NetrwMarkFileExe(islocal,enbloc)
  let svpos    = winsaveview()
  let curdir   = s:NetrwGetCurdir(a:islocal)
  let curbufnr = bufnr("%")

  if a:enbloc == 0
    " individually apply command to files, one at a time
    " sanity check
    if !exists("s:netrwmarkfilelist_{curbufnr}") || empty(s:netrwmarkfilelist_{curbufnr})
      NetrwKeepj call netrw#ErrorMsg(2,"there are no marked files in this window (:help netrw-mf)",66)
      return
    endif

    if exists("s:netrwmarkfilelist_{curbufnr}")
      " get the command
      call inputsave()
      let cmd= input("Enter command: ","","file")
      call inputrestore()
      if cmd == ""
        return
      endif

      " apply command to marked files, individually.  Substitute: filename -> %
      " If no %, then append a space and the filename to the command
      for fname in s:netrwmarkfilelist_{curbufnr}
        if a:islocal
          if g:netrw_keepdir
            let fname= s:ShellEscape(netrw#WinPath(s:ComposePath(curdir,fname)))
          endif
        else
          let fname= s:ShellEscape(netrw#WinPath(b:netrw_curdir.fname))
        endif
        if cmd =~ '%'
          let xcmd= substitute(cmd,'%',fname,'g')
        else
          let xcmd= cmd.' '.fname
        endif
        if a:islocal
          let ret= system(xcmd)
        else
          let ret= s:RemoteSystem(xcmd)
        endif
        if v:shell_error < 0
          NetrwKeepj call netrw#ErrorMsg(s:ERROR,"command<".xcmd."> failed, aborting",54)
          break
        else
          if ret !=# ''
            echo "\n"
            " skip trailing new line
            echo ret[0:-2]
          else
            echo ret
          endif
        endif
      endfor

      " unmark marked file list
      call s:NetrwUnmarkList(curbufnr,curdir)

      " refresh the listing
      NetrwKeepj call s:NetrwRefresh(a:islocal,s:NetrwBrowseChgDir(a:islocal,'./',0))
      NetrwKeepj call winrestview(svpos)
    else
      NetrwKeepj call netrw#ErrorMsg(s:ERROR,"no files marked!",59)
    endif

  else " apply command to global list of files, en bloc

    call inputsave()
    let cmd= input("Enter command: ","","file")
    call inputrestore()
    if cmd == ""
      return
    endif
    if cmd =~ '%'
      let cmd= substitute(cmd,'%',join(map(s:netrwmarkfilelist,'s:ShellEscape(v:val)'),' '),'g')
    else
      let cmd= cmd.' '.join(map(s:netrwmarkfilelist,'s:ShellEscape(v:val)'),' ')
    endif
    if a:islocal
      call system(cmd)
      if v:shell_error < 0
        NetrwKeepj call netrw#ErrorMsg(s:ERROR,"command<".xcmd."> failed, aborting",54)
      endif
    else
      let ret= s:RemoteSystem(cmd)
    endif
    call s:NetrwUnmarkAll()

    " refresh the listing
    NetrwKeepj call s:NetrwRefresh(a:islocal,s:NetrwBrowseChgDir(a:islocal,'./',0))
    NetrwKeepj call winrestview(svpos)

  endif
endfun

" ---------------------------------------------------------------------
" s:NetrwMarkHideSfx: (invoked by mh) (un)hide files having same suffix
"                  as the marked file(s) (toggles suffix presence)
"                  Uses the local marked file list.
fun! s:NetrwMarkHideSfx(islocal)
  let svpos    = winsaveview()
  let curbufnr = bufnr("%")

  " s:netrwmarkfilelist_{curbufnr}: the List of marked files
  if exists("s:netrwmarkfilelist_{curbufnr}")

    for fname in s:netrwmarkfilelist_{curbufnr}
      " construct suffix pattern
      if fname =~ '\.'
        let sfxpat= "^.*".substitute(fname,'^.*\(\.[^. ]\+\)$','\1','')
      else
        let sfxpat= '^\%(\%(\.\)\@!.\)*$'
      endif
      " determine if its in the hiding list or not
      let inhidelist= 0
      if g:netrw_list_hide != ""
        let itemnum = 0
        let hidelist= split(g:netrw_list_hide,',')
        for hidepat in hidelist
          if sfxpat == hidepat
            let inhidelist= 1
            break
          endif
          let itemnum= itemnum + 1
        endfor
      endif
      if inhidelist
        " remove sfxpat from list
        call remove(hidelist,itemnum)
        let g:netrw_list_hide= join(hidelist,",")
      elseif g:netrw_list_hide != ""
        " append sfxpat to non-empty list
        let g:netrw_list_hide= g:netrw_list_hide.",".sfxpat
      else
        " set hiding list to sfxpat
        let g:netrw_list_hide= sfxpat
      endif
    endfor

    " refresh the listing
    NetrwKeepj call s:NetrwRefresh(a:islocal,s:NetrwBrowseChgDir(a:islocal,'./',0))
    NetrwKeepj call winrestview(svpos)
  else
    NetrwKeepj call netrw#ErrorMsg(s:ERROR,"no files marked!",59)
  endif
endfun

" ---------------------------------------------------------------------
" s:NetrwMarkFileVimCmd: (invoked by mv) execute arbitrary vim command on marked files, one at a time {{{2
"                     Uses the local marked-file list.
fun! s:NetrwMarkFileVimCmd(islocal)
  let svpos    = winsaveview()
  let curdir   = s:NetrwGetCurdir(a:islocal)
  let curbufnr = bufnr("%")

  " sanity check
  if !exists("s:netrwmarkfilelist_{curbufnr}") || empty(s:netrwmarkfilelist_{curbufnr})
    NetrwKeepj call netrw#ErrorMsg(2,"there are no marked files in this window (:help netrw-mf)",66)
    return
  endif

  if exists("s:netrwmarkfilelist_{curbufnr}")
    " get the command
    call inputsave()
    let cmd= input("Enter vim command: ","","file")
    call inputrestore()
    if cmd == ""
      return
    endif

    " apply command to marked files.  Substitute: filename -> %
    " If no %, then append a space and the filename to the command
    for fname in s:netrwmarkfilelist_{curbufnr}
      if a:islocal
        1split
        exe "sil! NetrwKeepj keepalt e ".fnameescape(fname)
        exe cmd
        exe "sil! keepalt wq!"
      else
        echo "sorry, \"mv\" not supported yet for remote files"
      endif
    endfor

    " unmark marked file list
    call s:NetrwUnmarkList(curbufnr,curdir)

    " refresh the listing
    NetrwKeepj call s:NetrwRefresh(a:islocal,s:NetrwBrowseChgDir(a:islocal,'./',0))
    NetrwKeepj call winrestview(svpos)
  else
    NetrwKeepj call netrw#ErrorMsg(s:ERROR,"no files marked!",59)
  endif
endfun

" ---------------------------------------------------------------------
" s:NetrwMarkHideSfx: (invoked by mh) (un)hide files having same suffix
"                  as the marked file(s) (toggles suffix presence)
"                  Uses the local marked file list.
fun! s:NetrwMarkHideSfx(islocal)
  let svpos    = winsaveview()
  let curbufnr = bufnr("%")

  " s:netrwmarkfilelist_{curbufnr}: the List of marked files
  if exists("s:netrwmarkfilelist_{curbufnr}")

    for fname in s:netrwmarkfilelist_{curbufnr}
      " construct suffix pattern
      if fname =~ '\.'
        let sfxpat= "^.*".substitute(fname,'^.*\(\.[^. ]\+\)$','\1','')
      else
        let sfxpat= '^\%(\%(\.\)\@!.\)*$'
      endif
      " determine if its in the hiding list or not
      let inhidelist= 0
      if g:netrw_list_hide != ""
        let itemnum = 0
        let hidelist= split(g:netrw_list_hide,',')
        for hidepat in hidelist
          if sfxpat == hidepat
            let inhidelist= 1
            break
          endif
          let itemnum= itemnum + 1
        endfor
      endif
      if inhidelist
        " remove sfxpat from list
        call remove(hidelist,itemnum)
        let g:netrw_list_hide= join(hidelist,",")
      elseif g:netrw_list_hide != ""
        " append sfxpat to non-empty list
        let g:netrw_list_hide= g:netrw_list_hide.",".sfxpat
      else
        " set hiding list to sfxpat
        let g:netrw_list_hide= sfxpat
      endif
    endfor

    " refresh the listing
    NetrwKeepj call s:NetrwRefresh(a:islocal,s:NetrwBrowseChgDir(a:islocal,'./',0))
    NetrwKeepj call winrestview(svpos)
  else
    NetrwKeepj call netrw#ErrorMsg(s:ERROR,"no files marked!",59)
  endif
endfun

" ---------------------------------------------------------------------
" s:NetrwMarkFileGrep: (invoked by mg) This function applies vimgrep to marked files {{{2
"                     Uses the global markfilelist
fun! s:NetrwMarkFileGrep(islocal)
  "  call Dfunc("s:NetrwMarkFileGrep(islocal=".a:islocal.")")
  let svpos    = winsaveview()
  "  call Decho("saving posn to svpos<".string(svpos).">",'~'.expand("<slnum>"))
  let curbufnr = bufnr("%")
  let curdir   = s:NetrwGetCurdir(a:islocal)

  if exists("s:netrwmarkfilelist")
    "   call Decho("using s:netrwmarkfilelist".string(s:netrwmarkfilelist).">",'~'.expand("<slnum>"))
    let netrwmarkfilelist= join(map(deepcopy(s:netrwmarkfilelist), "fnameescape(v:val)"))
    "   call Decho("keeping copy of s:netrwmarkfilelist in function-local variable,'~'.expand("<slnum>"))"
    call s:NetrwUnmarkAll()
  else
    "   call Decho('no marked files, using "*"','~'.expand("<slnum>"))
    let netrwmarkfilelist= "*"
  endif

  " ask user for pattern
  "  call Decho("ask user for search pattern",'~'.expand("<slnum>"))
  call inputsave()
  let pat= input("Enter pattern: ","")
  call inputrestore()
  let patbang = ""
  if pat =~ '^!'
    let patbang = "!"
    let pat     = strpart(pat,2)
  endif
  if pat =~ '^\i'
    let pat    = escape(pat,'/')
    let pat    = '/'.pat.'/'
  else
    let nonisi = pat[0]
  endif

  " use vimgrep for both local and remote
  "  call Decho("exe vimgrep".patbang." ".pat." ".netrwmarkfilelist,'~'.expand("<slnum>"))
  try
    exe "NetrwKeepj noautocmd vimgrep".patbang." ".pat." ".netrwmarkfilelist
  catch /^Vim\%((\a\+)\)\=:E480/
    NetrwKeepj call netrw#ErrorMsg(s:WARNING,"no match with pattern<".pat.">",76)
    "   call Dret("s:NetrwMarkFileGrep : unable to find pattern<".pat.">")
    return
  endtry
  echo "(use :cn, :cp to navigate, :Rex to return)"

  2match none
  "  call Decho("restoring posn to svpos<".string(svpos).">",'~'.expand("<slnum>"))
  NetrwKeepj call winrestview(svpos)

  if exists("nonisi")
    " original, user-supplied pattern did not begin with a character from isident
    "   call Decho("looking for trailing nonisi<".nonisi."> followed by a j, gj, or jg",'~'.expand("<slnum>"))
    if pat =~# nonisi.'j$\|'.nonisi.'gj$\|'.nonisi.'jg$'
      call s:NetrwMarkFileQFEL(a:islocal,getqflist())
    endif
  endif

  "  call Dret("s:NetrwMarkFileGrep")
endfun

" ---------------------------------------------------------------------
" s:NetrwMarkFileMove: (invoked by mm) execute arbitrary command on marked files, one at a time {{{2
"                      uses the global marked file list
"                      s:netrwmfloc= 0: target directory is remote
"                                  = 1: target directory is local
fun! s:NetrwMarkFileMove(islocal)
  "  call Dfunc("s:NetrwMarkFileMove(islocal=".a:islocal.")")
  let curdir   = s:NetrwGetCurdir(a:islocal)
  let curbufnr = bufnr("%")

  " sanity check
  if !exists("s:netrwmarkfilelist_{curbufnr}") || empty(s:netrwmarkfilelist_{curbufnr})
    NetrwKeepj call netrw#ErrorMsg(2,"there are no marked files in this window (:help netrw-mf)",66)
    "   call Dret("s:NetrwMarkFileMove")
    return
  endif
  "  call Decho("sanity chk passed: s:netrwmarkfilelist_".curbufnr."<".string(s:netrwmarkfilelist_{curbufnr}),'~'.expand("<slnum>"))

  if !exists("s:netrwmftgt")
    NetrwKeepj call netrw#ErrorMsg(2,"your marked file target is empty! (:help netrw-mt)",67)
    "   call Dret("s:NetrwMarkFileCopy 0")
    return 0
  endif
  "  call Decho("sanity chk passed: s:netrwmftgt<".s:netrwmftgt.">",'~'.expand("<slnum>"))

  if      a:islocal &&  s:netrwmftgt_islocal
    " move: local -> local
    "   call Decho("move from local to local",'~'.expand("<slnum>"))
    "   call Decho("local to local move",'~'.expand("<slnum>"))
    if !executable(g:netrw_localmovecmd)
      call netrw#ErrorMsg(s:ERROR,"g:netrw_localmovecmd<".g:netrw_localmovecmd."> not executable on your system, aborting",90)
      "    call Dfunc("s:NetrwMarkFileMove : g:netrw_localmovecmd<".g:netrw_localmovecmd."> n/a!")
      return
    endif
    let tgt = s:ShellEscape(s:netrwmftgt)
    "   call Decho("tgt<".tgt.">",'~'.expand("<slnum>"))
    if !g:netrw_cygwin && has("win32")
      let tgt= substitute(tgt, '/','\\','g')
      "    call Decho("windows exception: tgt<".tgt.">",'~'.expand("<slnum>"))
      if g:netrw_localmovecmd =~ '\s'
        let movecmd     = substitute(g:netrw_localmovecmd,'\s.*$','','')
        let movecmdargs = substitute(g:netrw_localmovecmd,'^.\{-}\(\s.*\)$','\1','')
        let movecmd     = netrw#WinPath(movecmd).movecmdargs
      "     call Decho("windows exception: movecmd<".movecmd."> (#1: had a space)",'~'.expand("<slnum>"))
      else
        let movecmd = netrw#WinPath(g:netrw_localmovecmd)
        "     call Decho("windows exception: movecmd<".movecmd."> (#2: no space)",'~'.expand("<slnum>"))
      endif
    else
      let movecmd = netrw#WinPath(g:netrw_localmovecmd)
      "    call Decho("movecmd<".movecmd."> (#3 linux or cygwin)",'~'.expand("<slnum>"))
    endif
    for fname in s:netrwmarkfilelist_{bufnr("%")}
      if g:netrw_keepdir
        " Jul 19, 2022: fixing file move when g:netrw_keepdir is 1
        let fname= b:netrw_curdir."/".fname
      endif
      if !g:netrw_cygwin && has("win32")
        let fname= substitute(fname,'/','\\','g')
      endif
      "    call Decho("system(".movecmd." ".s:ShellEscape(fname)." ".tgt.")",'~'.expand("<slnum>"))
      let ret= system(movecmd.g:netrw_localmovecmdopt." ".s:ShellEscape(fname)." ".tgt)
      if v:shell_error != 0
        if exists("b:netrw_curdir") && b:netrw_curdir != getcwd() && !g:netrw_keepdir
          call netrw#ErrorMsg(s:ERROR,"move failed; perhaps due to vim's current directory<".getcwd()."> not matching netrw's (".b:netrw_curdir.") (see :help netrw-cd)",100)
        else
          call netrw#ErrorMsg(s:ERROR,"tried using g:netrw_localmovecmd<".g:netrw_localmovecmd.">; it doesn't work!",54)
        endif
        break
      endif
    endfor

  elseif  a:islocal && !s:netrwmftgt_islocal
    " move: local -> remote
    "   call Decho("move from local to remote",'~'.expand("<slnum>"))
    "   call Decho("copy",'~'.expand("<slnum>"))
    let mflist= s:netrwmarkfilelist_{bufnr("%")}
    NetrwKeepj call s:NetrwMarkFileCopy(a:islocal)
    "   call Decho("remove",'~'.expand("<slnum>"))
    for fname in mflist
      let barefname = substitute(fname,'^\(.*/\)\(.\{-}\)$','\2','')
      let ok        = s:NetrwLocalRmFile(b:netrw_curdir,barefname,1)
    endfor
    unlet mflist

  elseif !a:islocal &&  s:netrwmftgt_islocal
    " move: remote -> local
    "   call Decho("move from remote to local",'~'.expand("<slnum>"))
    "   call Decho("copy",'~'.expand("<slnum>"))
    let mflist= s:netrwmarkfilelist_{bufnr("%")}
    NetrwKeepj call s:NetrwMarkFileCopy(a:islocal)
    "   call Decho("remove",'~'.expand("<slnum>"))
    for fname in mflist
      let barefname = substitute(fname,'^\(.*/\)\(.\{-}\)$','\2','')
      let ok        = s:NetrwRemoteRmFile(b:netrw_curdir,barefname,1)
    endfor
    unlet mflist

  elseif !a:islocal && !s:netrwmftgt_islocal
    " move: remote -> remote
    "   call Decho("move from remote to remote",'~'.expand("<slnum>"))
    "   call Decho("copy",'~'.expand("<slnum>"))
    let mflist= s:netrwmarkfilelist_{bufnr("%")}
    NetrwKeepj call s:NetrwMarkFileCopy(a:islocal)
    "   call Decho("remove",'~'.expand("<slnum>"))
    for fname in mflist
      let barefname = substitute(fname,'^\(.*/\)\(.\{-}\)$','\2','')
      let ok        = s:NetrwRemoteRmFile(b:netrw_curdir,barefname,1)
    endfor
    unlet mflist
  endif

  " -------
  " cleanup
  " -------
  "  call Decho("cleanup",'~'.expand("<slnum>"))

  " remove markings from local buffer
  call s:NetrwUnmarkList(curbufnr,curdir)                   " remove markings from local buffer

  " refresh buffers
  if !s:netrwmftgt_islocal
    "   call Decho("refresh netrwmftgt<".s:netrwmftgt.">",'~'.expand("<slnum>"))
    NetrwKeepj call s:NetrwRefreshDir(s:netrwmftgt_islocal,s:netrwmftgt)
  endif
  if a:islocal
    "   call Decho("refresh b:netrw_curdir<".b:netrw_curdir.">",'~'.expand("<slnum>"))
    NetrwKeepj call s:NetrwRefreshDir(a:islocal,b:netrw_curdir)
  endif
  if g:netrw_fastbrowse <= 1
    "   call Decho("since g:netrw_fastbrowse=".g:netrw_fastbrowse.", perform shell cmd refresh",'~'.expand("<slnum>"))
    NetrwKeepj call s:LocalBrowseRefresh()
  endif

  "  call Dret("s:NetrwMarkFileMove")
endfun

" ---------------------------------------------------------------------
" s:NetrwMarkFilePrint: (invoked by mp) This function prints marked files {{{2
"                       using the hardcopy command.  Local marked-file list only.
fun! s:NetrwMarkFilePrint(islocal)
  "  call Dfunc("s:NetrwMarkFilePrint(islocal=".a:islocal.")")
  let curbufnr= bufnr("%")

  " sanity check
  if !exists("s:netrwmarkfilelist_{curbufnr}") || empty(s:netrwmarkfilelist_{curbufnr})
    NetrwKeepj call netrw#ErrorMsg(2,"there are no marked files in this window (:help netrw-mf)",66)
    "   call Dret("s:NetrwMarkFilePrint")
    return
  endif
  "  call Decho("sanity chk passed: s:netrwmarkfilelist_".curbufnr."<".string(s:netrwmarkfilelist_{curbufnr}),'~'.expand("<slnum>"))
  let curdir= s:NetrwGetCurdir(a:islocal)

  if exists("s:netrwmarkfilelist_{curbufnr}")
    let netrwmarkfilelist = s:netrwmarkfilelist_{curbufnr}
    call s:NetrwUnmarkList(curbufnr,curdir)
    for fname in netrwmarkfilelist
      if a:islocal
        if g:netrw_keepdir
          let fname= s:ComposePath(curdir,fname)
        endif
      else
        let fname= curdir.fname
      endif
      1split
      " the autocmds will handle both local and remote files
      "    call Decho("exe sil e ".escape(fname,' '),'~'.expand("<slnum>"))
      exe "sil NetrwKeepj e ".fnameescape(fname)
      "    call Decho("hardcopy",'~'.expand("<slnum>"))
      hardcopy
      q
    endfor
    2match none
  endif
  "  call Dret("s:NetrwMarkFilePrint")
endfun

" ---------------------------------------------------------------------
" s:NetrwMarkFileRegexp: (invoked by mr) This function is used to mark {{{2
"                        files when given a regexp (for which a prompt is
"                        issued) (matches to name of files).
fun! s:NetrwMarkFileRegexp(islocal)
  "  call Dfunc("s:NetrwMarkFileRegexp(islocal=".a:islocal.")")

  " get the regular expression
  call inputsave()
  let regexp= input("Enter regexp: ","","file")
  call inputrestore()

  if a:islocal
    let curdir= s:NetrwGetCurdir(a:islocal)
    "   call Decho("curdir<".fnameescape(curdir).">")
    " get the matching list of files using local glob()
    "   call Decho("handle local regexp",'~'.expand("<slnum>"))
    let dirname = escape(b:netrw_curdir,g:netrw_glob_escape)
    if v:version > 704 || (v:version == 704 && has("patch656"))
      let filelist= glob(s:ComposePath(dirname,regexp),0,1,1)
    else
      let files   = glob(s:ComposePath(dirname,regexp),0,0)
      let filelist= split(files,"\n")
    endif
    "   call Decho("files<".string(filelist).">",'~'.expand("<slnum>"))

    " mark the list of files
    for fname in filelist
      if fname =~ '^'.fnameescape(curdir)
        "    call Decho("fname<".substitute(fname,'^'.fnameescape(curdir).'/','','').">",'~'.expand("<slnum>"))
        NetrwKeepj call s:NetrwMarkFile(a:islocal,substitute(fname,'^'.fnameescape(curdir).'/','',''))
      else
        "    call Decho("fname<".fname.">",'~'.expand("<slnum>"))
        NetrwKeepj call s:NetrwMarkFile(a:islocal,substitute(fname,'^.*/','',''))
      endif
    endfor

  else
    "   call Decho("handle remote regexp",'~'.expand("<slnum>"))

    " convert displayed listing into a filelist
    let eikeep = &ei
    let areg   = @a
    sil NetrwKeepj %y a
    setl ei=all ma
    "   call Decho("setl ei=all ma",'~'.expand("<slnum>"))
    1split
    NetrwKeepj call s:NetrwEnew()
    NetrwKeepj call s:NetrwOptionsSafe(a:islocal)
    sil NetrwKeepj norm! "ap
    NetrwKeepj 2
    let bannercnt= search('^" =====','W')
    exe "sil NetrwKeepj 1,".bannercnt."d"
    setl bt=nofile
    if     g:netrw_liststyle == s:LONGLIST
      sil NetrwKeepj %s/\s\{2,}\S.*$//e
      call histdel("/",-1)
    elseif g:netrw_liststyle == s:WIDELIST
      sil NetrwKeepj %s/\s\{2,}/\r/ge
      call histdel("/",-1)
    elseif g:netrw_liststyle == s:TREELIST
      exe 'sil NetrwKeepj %s/^'.s:treedepthstring.' //e'
      sil! NetrwKeepj g/^ .*$/d
      call histdel("/",-1)
      call histdel("/",-1)
    endif
    " convert regexp into the more usual glob-style format
    let regexp= substitute(regexp,'\*','.*','g')
    "   call Decho("regexp<".regexp.">",'~'.expand("<slnum>"))
    exe "sil! NetrwKeepj v/".escape(regexp,'/')."/d"
    call histdel("/",-1)
    let filelist= getline(1,line("$"))
    q!
    for filename in filelist
      NetrwKeepj call s:NetrwMarkFile(a:islocal,substitute(filename,'^.*/','',''))
    endfor
    unlet filelist
    let @a  = areg
    let &ei = eikeep
  endif
  echo "  (use me to edit marked files)"

  "  call Dret("s:NetrwMarkFileRegexp")
endfun

" ---------------------------------------------------------------------
" s:NetrwMarkFileSource: (invoked by ms) This function sources marked files {{{2
"                        Uses the local marked file list.
fun! s:NetrwMarkFileSource(islocal)
  "  call Dfunc("s:NetrwMarkFileSource(islocal=".a:islocal.")")
  let curbufnr= bufnr("%")

  " sanity check
  if !exists("s:netrwmarkfilelist_{curbufnr}") || empty(s:netrwmarkfilelist_{curbufnr})
    NetrwKeepj call netrw#ErrorMsg(2,"there are no marked files in this window (:help netrw-mf)",66)
    "   call Dret("s:NetrwMarkFileSource")
    return
  endif
  "  call Decho("sanity chk passed: s:netrwmarkfilelist_".curbufnr."<".string(s:netrwmarkfilelist_{curbufnr}),'~'.expand("<slnum>"))
  let curdir= s:NetrwGetCurdir(a:islocal)

  if exists("s:netrwmarkfilelist_{curbufnr}")
    let netrwmarkfilelist = s:netrwmarkfilelist_{bufnr("%")}
    call s:NetrwUnmarkList(curbufnr,curdir)
    for fname in netrwmarkfilelist
      if a:islocal
        if g:netrw_keepdir
          let fname= s:ComposePath(curdir,fname)
        endif
      else
        let fname= curdir.fname
      endif
      " the autocmds will handle sourcing both local and remote files
      "    call Decho("exe so ".fnameescape(fname),'~'.expand("<slnum>"))
      exe "so ".fnameescape(fname)
    endfor
    2match none
  endif
  "  call Dret("s:NetrwMarkFileSource")
endfun

" ---------------------------------------------------------------------
" s:NetrwMarkFileTag: (invoked by mT) This function applies g:netrw_ctags to marked files {{{2
"                     Uses the global markfilelist
fun! s:NetrwMarkFileTag(islocal)
  let svpos    = winsaveview()
  let curdir   = s:NetrwGetCurdir(a:islocal)
  let curbufnr = bufnr("%")

  " sanity check
  if !exists("s:netrwmarkfilelist_{curbufnr}") || empty(s:netrwmarkfilelist_{curbufnr})
    NetrwKeepj call netrw#ErrorMsg(2,"there are no marked files in this window (:help netrw-mf)",66)
    return
  endif

  if exists("s:netrwmarkfilelist")
    let netrwmarkfilelist= join(map(deepcopy(s:netrwmarkfilelist), "s:ShellEscape(v:val,".!a:islocal.")"))
    call s:NetrwUnmarkAll()

    if a:islocal

      call system(g:netrw_ctags." ".netrwmarkfilelist)
      if v:shell_error
        call netrw#ErrorMsg(s:ERROR,"g:netrw_ctags<".g:netrw_ctags."> is not executable!",51)
      endif

    else
      let cmd   = s:RemoteSystem(g:netrw_ctags." ".netrwmarkfilelist)
      call netrw#Obtain(a:islocal,"tags")
      let curdir= b:netrw_curdir
      1split
      NetrwKeepj e tags
      let path= substitute(curdir,'^\(.*\)/[^/]*$','\1/','')
      exe 'NetrwKeepj %s/\t\(\S\+\)\t/\t'.escape(path,"/\n\r\\").'\1\t/e'
      call histdel("/",-1)
      wq!
    endif
    2match none
    call s:NetrwRefresh(a:islocal,s:NetrwBrowseChgDir(a:islocal,'./',0))
    call winrestview(svpos)
  endif
endfun

" ---------------------------------------------------------------------
" s:NetrwMarkFileTgt:  (invoked by mt) This function sets up a marked file target {{{2
"   Sets up two variables,
"     s:netrwmftgt         : holds the target directory
"     s:netrwmftgt_islocal : 0=target directory is remote
"                            1=target directory is local
fun! s:NetrwMarkFileTgt(islocal)
  let svpos  = winsaveview()
  let curdir = s:NetrwGetCurdir(a:islocal)
  let hadtgt = exists("s:netrwmftgt")
  if !exists("w:netrw_bannercnt")
    let w:netrw_bannercnt= b:netrw_bannercnt
  endif

  " set up target
  if line(".") < w:netrw_bannercnt
    " if cursor in banner region, use b:netrw_curdir for the target unless its already the target
    if exists("s:netrwmftgt") && exists("s:netrwmftgt_islocal") && s:netrwmftgt == b:netrw_curdir
      unlet s:netrwmftgt s:netrwmftgt_islocal
      if g:netrw_fastbrowse <= 1
        call s:LocalBrowseRefresh()
      endif
      call s:NetrwRefresh(a:islocal,s:NetrwBrowseChgDir(a:islocal,'./',0))
      call winrestview(svpos)
      return
    else
      let s:netrwmftgt= b:netrw_curdir
    endif

  else
    " get word under cursor.
    "  * If directory, use it for the target.
    "  * If file, use b:netrw_curdir for the target
    let curword= s:NetrwGetWord()
    let tgtdir = s:ComposePath(curdir,curword)
    if a:islocal && isdirectory(s:NetrwFile(tgtdir))
      let s:netrwmftgt = tgtdir
    elseif !a:islocal && tgtdir =~ '/$'
      let s:netrwmftgt = tgtdir
    else
      let s:netrwmftgt = curdir
    endif
  endif
  if a:islocal
    " simplify the target (eg. /abc/def/../ghi -> /abc/ghi)
    let s:netrwmftgt= simplify(s:netrwmftgt)
  endif
  if g:netrw_cygwin
    let s:netrwmftgt= substitute(system("cygpath ".s:ShellEscape(s:netrwmftgt)),'\n$','','')
    let s:netrwmftgt= substitute(s:netrwmftgt,'\n$','','')
  endif
  let s:netrwmftgt_islocal= a:islocal

  " need to do refresh so that the banner will be updated
  "  s:LocalBrowseRefresh handles all local-browsing buffers when not fast browsing
  if g:netrw_fastbrowse <= 1
    call s:LocalBrowseRefresh()
  endif
  "  call s:NetrwRefresh(a:islocal,s:NetrwBrowseChgDir(a:islocal,'./',0))
  if exists("w:netrw_liststyle") && w:netrw_liststyle == s:TREELIST
    call s:NetrwRefresh(a:islocal,s:NetrwBrowseChgDir(a:islocal,w:netrw_treetop,0))
  else
    call s:NetrwRefresh(a:islocal,s:NetrwBrowseChgDir(a:islocal,'./',0))
  endif
  call winrestview(svpos)
  if !hadtgt
    sil! NetrwKeepj norm! j
  endif
endfun

" ---------------------------------------------------------------------
" s:NetrwGetCurdir: gets current directory and sets up b:netrw_curdir if necessary {{{2
fun! s:NetrwGetCurdir(islocal)
  "  call Dfunc("s:NetrwGetCurdir(islocal=".a:islocal.")")

  if exists("w:netrw_liststyle") && w:netrw_liststyle == s:TREELIST
    let b:netrw_curdir = s:NetrwTreePath(w:netrw_treetop)
  "   call Decho("set b:netrw_curdir<".b:netrw_curdir."> (used s:NetrwTreeDir)",'~'.expand("<slnum>"))
  elseif !exists("b:netrw_curdir")
    let b:netrw_curdir= getcwd()
    "   call Decho("set b:netrw_curdir<".b:netrw_curdir."> (used getcwd)",'~'.expand("<slnum>"))
  endif

  "  call Decho("b:netrw_curdir<".b:netrw_curdir."> ".((b:netrw_curdir !~ '\<\a\{3,}://')? "does not match" : "matches")." url pattern",'~'.expand("<slnum>"))
  if b:netrw_curdir !~ '\<\a\{3,}://'
    let curdir= b:netrw_curdir
    "   call Decho("g:netrw_keepdir=".g:netrw_keepdir,'~'.expand("<slnum>"))
    if g:netrw_keepdir == 0
      call s:NetrwLcd(curdir)
    endif
  endif

  "  call Dret("s:NetrwGetCurdir <".curdir.">")
  return b:netrw_curdir
endfun

" ---------------------------------------------------------------------
" s:NetrwOpenFile: query user for a filename and open it {{{2
fun! s:NetrwOpenFile(islocal)
  "  call Dfunc("s:NetrwOpenFile(islocal=".a:islocal.")")
  let ykeep= @@
  call inputsave()
  let fname= input("Enter filename: ")
  call inputrestore()
  "  call Decho("(s:NetrwOpenFile) fname<".fname.">",'~'.expand("<slnum>"))

  " determine if Lexplore is in use
  if exists("t:netrw_lexbufnr")
    " check if t:netrw_lexbufnr refers to a netrw window
    "   call Decho("(s:netrwOpenFile) ..t:netrw_lexbufnr=".t:netrw_lexbufnr,'~'.expand("<slnum>"))
    let lexwinnr = bufwinnr(t:netrw_lexbufnr)
    if lexwinnr != -1 && exists("g:netrw_chgwin") && g:netrw_chgwin != -1
      "    call Decho("(s:netrwOpenFile) ..Lexplore in use",'~'.expand("<slnum>"))
      exe "NetrwKeepj keepalt ".g:netrw_chgwin."wincmd w"
      exe "NetrwKeepj e ".fnameescape(fname)
      let @@= ykeep
      "    call Dret("s:NetrwOpenFile : creating a file with Lexplore mode")
    endif
  endif

  " Does the filename contain a path?
  if fname !~ '[/\\]'
    if exists("b:netrw_curdir")
      if exists("g:netrw_quiet")
        let netrw_quiet_keep = g:netrw_quiet
      endif
      let g:netrw_quiet = 1
      " save position for benefit of Rexplore
      let s:rexposn_{bufnr("%")}= winsaveview()
      "    call Decho("saving posn to s:rexposn_".bufnr("%")."<".string(s:rexposn_{bufnr("%")}).">",'~'.expand("<slnum>"))
      if b:netrw_curdir =~ '/$'
        exe "NetrwKeepj e ".fnameescape(b:netrw_curdir.fname)
      else
        exe "e ".fnameescape(b:netrw_curdir."/".fname)
      endif
      if exists("netrw_quiet_keep")
        let g:netrw_quiet= netrw_quiet_keep
      else
        unlet g:netrw_quiet
      endif
    endif
  else
    exe "NetrwKeepj e ".fnameescape(fname)
  endif
  let @@= ykeep
  "  call Dret("s:NetrwOpenFile")
endfun

" ---------------------------------------------------------------------
" netrw#Shrink: shrinks/expands a netrw or Lexplorer window {{{2
"               For the mapping to this function be made via
"               netrwPlugin, you'll need to have had
"               g:netrw_usetab set to non-zero.
fun! netrw#Shrink()
  "  call Dfunc("netrw#Shrink() ft<".&ft."> winwidth=".winwidth(0)." lexbuf#".((exists("t:netrw_lexbufnr"))? t:netrw_lexbufnr : 'n/a'))
  let curwin  = winnr()
  let wiwkeep = &wiw
  set wiw=1

  if &ft == "netrw"
    if winwidth(0) > g:netrw_wiw
      let t:netrw_winwidth= winwidth(0)
      exe "vert resize ".g:netrw_wiw
      wincmd l
      if winnr() == curwin
        wincmd h
      endif
    "    call Decho("vert resize 0",'~'.expand("<slnum>"))
    else
      exe "vert resize ".t:netrw_winwidth
      "    call Decho("vert resize ".t:netrw_winwidth,'~'.expand("<slnum>"))
    endif

  elseif exists("t:netrw_lexbufnr")
    exe bufwinnr(t:netrw_lexbufnr)."wincmd w"
    if     winwidth(bufwinnr(t:netrw_lexbufnr)) >  g:netrw_wiw
      let t:netrw_winwidth= winwidth(0)
      exe "vert resize ".g:netrw_wiw
      wincmd l
      if winnr() == curwin
        wincmd h
      endif
    "    call Decho("vert resize 0",'~'.expand("<slnum>"))
    elseif winwidth(bufwinnr(t:netrw_lexbufnr)) >= 0
      exe "vert resize ".t:netrw_winwidth
    "    call Decho("vert resize ".t:netrw_winwidth,'~'.expand("<slnum>"))
    else
      call netrw#Lexplore(0,0)
    endif

  else
    call netrw#Lexplore(0,0)
  endif
  let wiw= wiwkeep

  "  call Dret("netrw#Shrink")
endfun

" ---------------------------------------------------------------------
" s:NetSortSequence: allows user to edit the sorting sequence {{{2
fun! s:NetSortSequence(islocal)
  let ykeep= @@
  let svpos= winsaveview()
  call inputsave()
  let newsortseq= input("Edit Sorting Sequence: ",g:netrw_sort_sequence)
  call inputrestore()

  " refresh the listing
  let g:netrw_sort_sequence= newsortseq
  NetrwKeepj call s:NetrwRefresh(a:islocal,s:NetrwBrowseChgDir(a:islocal,'./',0))
  NetrwKeepj call winrestview(svpos)
  let @@= ykeep
endfun

" ---------------------------------------------------------------------
" s:NetrwUnmarkList: delete local marked file list and remove their contents from the global marked-file list {{{2
"   User access provided by the <mF> mapping. (see :help netrw-mF)
"   Used by many MarkFile functions.
fun! s:NetrwUnmarkList(curbufnr,curdir)
  "  call Dfunc("s:NetrwUnmarkList(curbufnr=".a:curbufnr." curdir<".a:curdir.">)")

  "  remove all files in local marked-file list from global list
  if exists("s:netrwmarkfilelist")
    for mfile in s:netrwmarkfilelist_{a:curbufnr}
      let dfile = s:ComposePath(a:curdir,mfile)       " prepend directory to mfile
      let idx   = index(s:netrwmarkfilelist,dfile)    " get index in list of dfile
      call remove(s:netrwmarkfilelist,idx)            " remove from global list
    endfor
    if s:netrwmarkfilelist == []
      unlet s:netrwmarkfilelist
    endif

    " getting rid of the local marked-file lists is easy
    unlet s:netrwmarkfilelist_{a:curbufnr}
  endif
  if exists("s:netrwmarkfilemtch_{a:curbufnr}")
    unlet s:netrwmarkfilemtch_{a:curbufnr}
  endif
  2match none
  "  call Dret("s:NetrwUnmarkList")
endfun

" ---------------------------------------------------------------------
" s:NetrwUnmarkAll: remove the global marked file list and all local ones {{{2
fun! s:NetrwUnmarkAll()
  "  call Dfunc("s:NetrwUnmarkAll()")
  if exists("s:netrwmarkfilelist")
    unlet s:netrwmarkfilelist
  endif
  sil call s:NetrwUnmarkAll2()
  2match none
  "  call Dret("s:NetrwUnmarkAll")
endfun

" ---------------------------------------------------------------------
" s:NetrwUnmarkAll2: unmark all files from all buffers {{{2
fun! s:NetrwUnmarkAll2()
  "  call Dfunc("s:NetrwUnmarkAll2()")
  redir => netrwmarkfilelist_let
  let
  redir END
  let netrwmarkfilelist_list= split(netrwmarkfilelist_let,'\n')          " convert let string into a let list
  call filter(netrwmarkfilelist_list,"v:val =~ '^s:netrwmarkfilelist_'") " retain only those vars that start as s:netrwmarkfilelist_
  call map(netrwmarkfilelist_list,"substitute(v:val,'\\s.*$','','')")    " remove what the entries are equal to
  for flist in netrwmarkfilelist_list
    let curbufnr= substitute(flist,'s:netrwmarkfilelist_','','')
    unlet s:netrwmarkfilelist_{curbufnr}
    unlet s:netrwmarkfilemtch_{curbufnr}
  endfor
  "  call Dret("s:NetrwUnmarkAll2")
endfun

" ---------------------------------------------------------------------
" s:NetrwUnMarkFile: called via mu map; unmarks *all* marked files, both global and buffer-local {{{2
"
" Marked files are in two types of lists:
"    s:netrwmarkfilelist    -- holds complete paths to all marked files
"    s:netrwmarkfilelist_#  -- holds list of marked files in current-buffer's directory (#==bufnr())
"
" Marked files suitable for use with 2match are in:
"    s:netrwmarkfilemtch_#   -- used with 2match to display marked files
fun! s:NetrwUnMarkFile(islocal)
  let svpos    = winsaveview()
  let curbufnr = bufnr("%")

  " unmark marked file list
  " (although I expect s:NetrwUpload() to do it, I'm just making sure)
  if exists("s:netrwmarkfilelist")
    "   "   call Decho("unlet'ing: s:netrwmarkfilelist",'~'.expand("<slnum>"))
    unlet s:netrwmarkfilelist
  endif

  let ibuf= 1
  while ibuf < bufnr("$")
    if exists("s:netrwmarkfilelist_".ibuf)
      unlet s:netrwmarkfilelist_{ibuf}
      unlet s:netrwmarkfilemtch_{ibuf}
    endif
    let ibuf = ibuf + 1
  endwhile
  2match none

  "  call s:NetrwRefresh(a:islocal,s:NetrwBrowseChgDir(a:islocal,'./',0))
  call winrestview(svpos)
endfun

" ---------------------------------------------------------------------
" s:NetrwMenu: generates the menu for gvim and netrw {{{2
fun! s:NetrwMenu(domenu)

  if !exists("g:NetrwMenuPriority")
    let g:NetrwMenuPriority= 80
  endif

  if has("menu") && has("gui_running") && &go =~# 'm' && g:netrw_menu
    "   call Dfunc("NetrwMenu(domenu=".a:domenu.")")

    if !exists("s:netrw_menu_enabled") && a:domenu
      "    call Decho("initialize menu",'~'.expand("<slnum>"))
      let s:netrw_menu_enabled= 1
      exe 'sil! menu '.g:NetrwMenuPriority.'.1      '.g:NetrwTopLvlMenu.'Help<tab><F1>    <F1>'
      exe 'sil! menu '.g:NetrwMenuPriority.'.5      '.g:NetrwTopLvlMenu.'-Sep1-   :'
      exe 'sil! menu '.g:NetrwMenuPriority.'.6      '.g:NetrwTopLvlMenu.'Go\ Up\ Directory<tab>-  -'
      exe 'sil! menu '.g:NetrwMenuPriority.'.7      '.g:NetrwTopLvlMenu.'Apply\ Special\ Viewer<tab>x     x'
      if g:netrw_dirhistmax > 0
        exe 'sil! menu '.g:NetrwMenuPriority.'.8.1   '.g:NetrwTopLvlMenu.'Bookmarks\ and\ History.Bookmark\ Current\ Directory<tab>mb      mb'
        exe 'sil! menu '.g:NetrwMenuPriority.'.8.4   '.g:NetrwTopLvlMenu.'Bookmarks\ and\ History.Goto\ Prev\ Dir\ (History)<tab>u u'
        exe 'sil! menu '.g:NetrwMenuPriority.'.8.5   '.g:NetrwTopLvlMenu.'Bookmarks\ and\ History.Goto\ Next\ Dir\ (History)<tab>U U'
        exe 'sil! menu '.g:NetrwMenuPriority.'.8.6   '.g:NetrwTopLvlMenu.'Bookmarks\ and\ History.List<tab>qb      qb'
      else
        exe 'sil! menu '.g:NetrwMenuPriority.'.8     '.g:NetrwTopLvlMenu.'Bookmarks\ and\ History  :echo "(disabled)"'."\<cr>"
      endif
      exe 'sil! menu '.g:NetrwMenuPriority.'.9.1    '.g:NetrwTopLvlMenu.'Browsing\ Control.Horizontal\ Split<tab>o        o'
      exe 'sil! menu '.g:NetrwMenuPriority.'.9.2    '.g:NetrwTopLvlMenu.'Browsing\ Control.Vertical\ Split<tab>v  v'
      exe 'sil! menu '.g:NetrwMenuPriority.'.9.3    '.g:NetrwTopLvlMenu.'Browsing\ Control.New\ Tab<tab>t t'
      exe 'sil! menu '.g:NetrwMenuPriority.'.9.4    '.g:NetrwTopLvlMenu.'Browsing\ Control.Preview<tab>p  p'
      exe 'sil! menu '.g:NetrwMenuPriority.'.9.5    '.g:NetrwTopLvlMenu.'Browsing\ Control.Edit\ File\ Hiding\ List<tab><ctrl-h>'."       \<c-h>'"
      exe 'sil! menu '.g:NetrwMenuPriority.'.9.6    '.g:NetrwTopLvlMenu.'Browsing\ Control.Edit\ Sorting\ Sequence<tab>S  S'
      exe 'sil! menu '.g:NetrwMenuPriority.'.9.7    '.g:NetrwTopLvlMenu.'Browsing\ Control.Quick\ Hide/Unhide\ Dot\ Files<tab>'."gh       gh"
      exe 'sil! menu '.g:NetrwMenuPriority.'.9.8    '.g:NetrwTopLvlMenu.'Browsing\ Control.Refresh\ Listing<tab>'."<ctrl-l>       \<c-l>"
      exe 'sil! menu '.g:NetrwMenuPriority.'.9.9    '.g:NetrwTopLvlMenu.'Browsing\ Control.Settings/Options<tab>:NetrwSettings    '.":NetrwSettings\<cr>"
      exe 'sil! menu '.g:NetrwMenuPriority.'.10     '.g:NetrwTopLvlMenu.'Delete\ File/Directory<tab>D     D'
      exe 'sil! menu '.g:NetrwMenuPriority.'.11.1   '.g:NetrwTopLvlMenu.'Edit\ File/Dir.Create\ New\ File<tab>%   %'
      exe 'sil! menu '.g:NetrwMenuPriority.'.11.1   '.g:NetrwTopLvlMenu.'Edit\ File/Dir.In\ Current\ Window<tab><cr>      '."\<cr>"
      exe 'sil! menu '.g:NetrwMenuPriority.'.11.2   '.g:NetrwTopLvlMenu.'Edit\ File/Dir.Preview\ File/Directory<tab>p     p'
      exe 'sil! menu '.g:NetrwMenuPriority.'.11.3   '.g:NetrwTopLvlMenu.'Edit\ File/Dir.In\ Previous\ Window<tab>P        P'
      exe 'sil! menu '.g:NetrwMenuPriority.'.11.4   '.g:NetrwTopLvlMenu.'Edit\ File/Dir.In\ New\ Window<tab>o     o'
      exe 'sil! menu '.g:NetrwMenuPriority.'.11.5   '.g:NetrwTopLvlMenu.'Edit\ File/Dir.In\ New\ Tab<tab>t        t'
      exe 'sil! menu '.g:NetrwMenuPriority.'.11.5   '.g:NetrwTopLvlMenu.'Edit\ File/Dir.In\ New\ Vertical\ Window<tab>v   v'
      exe 'sil! menu '.g:NetrwMenuPriority.'.12.1   '.g:NetrwTopLvlMenu.'Explore.Directory\ Name  :Explore '
      exe 'sil! menu '.g:NetrwMenuPriority.'.12.2   '.g:NetrwTopLvlMenu.'Explore.Filenames\ Matching\ Pattern\ (curdir\ only)<tab>:Explore\ */    :Explore */'
      exe 'sil! menu '.g:NetrwMenuPriority.'.12.2   '.g:NetrwTopLvlMenu.'Explore.Filenames\ Matching\ Pattern\ (+subdirs)<tab>:Explore\ **/       :Explore **/'
      exe 'sil! menu '.g:NetrwMenuPriority.'.12.3   '.g:NetrwTopLvlMenu.'Explore.Files\ Containing\ String\ Pattern\ (curdir\ only)<tab>:Explore\ *//     :Explore *//'
      exe 'sil! menu '.g:NetrwMenuPriority.'.12.4   '.g:NetrwTopLvlMenu.'Explore.Files\ Containing\ String\ Pattern\ (+subdirs)<tab>:Explore\ **//        :Explore **//'
      exe 'sil! menu '.g:NetrwMenuPriority.'.12.4   '.g:NetrwTopLvlMenu.'Explore.Next\ Match<tab>:Nexplore        :Nexplore<cr>'
      exe 'sil! menu '.g:NetrwMenuPriority.'.12.4   '.g:NetrwTopLvlMenu.'Explore.Prev\ Match<tab>:Pexplore        :Pexplore<cr>'
      exe 'sil! menu '.g:NetrwMenuPriority.'.13     '.g:NetrwTopLvlMenu.'Make\ Subdirectory<tab>d d'
      exe 'sil! menu '.g:NetrwMenuPriority.'.14.1   '.g:NetrwTopLvlMenu.'Marked\ Files.Mark\ File<tab>mf  mf'
      exe 'sil! menu '.g:NetrwMenuPriority.'.14.2   '.g:NetrwTopLvlMenu.'Marked\ Files.Mark\ Files\ by\ Regexp<tab>mr     mr'
      exe 'sil! menu '.g:NetrwMenuPriority.'.14.3   '.g:NetrwTopLvlMenu.'Marked\ Files.Hide-Show-List\ Control<tab>a      a'
      exe 'sil! menu '.g:NetrwMenuPriority.'.14.4   '.g:NetrwTopLvlMenu.'Marked\ Files.Copy\ To\ Target<tab>mc    mc'
      exe 'sil! menu '.g:NetrwMenuPriority.'.14.5   '.g:NetrwTopLvlMenu.'Marked\ Files.Delete<tab>D       D'
      exe 'sil! menu '.g:NetrwMenuPriority.'.14.6   '.g:NetrwTopLvlMenu.'Marked\ Files.Diff<tab>md        md'
      exe 'sil! menu '.g:NetrwMenuPriority.'.14.7   '.g:NetrwTopLvlMenu.'Marked\ Files.Edit<tab>me        me'
      exe 'sil! menu '.g:NetrwMenuPriority.'.14.8   '.g:NetrwTopLvlMenu.'Marked\ Files.Exe\ Cmd<tab>mx    mx'
      exe 'sil! menu '.g:NetrwMenuPriority.'.14.9   '.g:NetrwTopLvlMenu.'Marked\ Files.Move\ To\ Target<tab>mm    mm'
      exe 'sil! menu '.g:NetrwMenuPriority.'.14.10  '.g:NetrwTopLvlMenu.'Marked\ Files.Obtain<tab>O       O'
      exe 'sil! menu '.g:NetrwMenuPriority.'.14.11  '.g:NetrwTopLvlMenu.'Marked\ Files.Print<tab>mp       mp'
      exe 'sil! menu '.g:NetrwMenuPriority.'.14.12  '.g:NetrwTopLvlMenu.'Marked\ Files.Replace<tab>R      R'
      exe 'sil! menu '.g:NetrwMenuPriority.'.14.13  '.g:NetrwTopLvlMenu.'Marked\ Files.Set\ Target<tab>mt mt'
      exe 'sil! menu '.g:NetrwMenuPriority.'.14.14  '.g:NetrwTopLvlMenu.'Marked\ Files.Tag<tab>mT mT'
      exe 'sil! menu '.g:NetrwMenuPriority.'.14.15  '.g:NetrwTopLvlMenu.'Marked\ Files.Zip/Unzip/Compress/Uncompress<tab>mz       mz'
      exe 'sil! menu '.g:NetrwMenuPriority.'.15     '.g:NetrwTopLvlMenu.'Obtain\ File<tab>O       O'
      exe 'sil! menu '.g:NetrwMenuPriority.'.16.1.1 '.g:NetrwTopLvlMenu.'Style.Listing.thin<tab>i :let w:netrw_liststyle=0<cr><c-L>'
      exe 'sil! menu '.g:NetrwMenuPriority.'.16.1.1 '.g:NetrwTopLvlMenu.'Style.Listing.long<tab>i :let w:netrw_liststyle=1<cr><c-L>'
      exe 'sil! menu '.g:NetrwMenuPriority.'.16.1.1 '.g:NetrwTopLvlMenu.'Style.Listing.wide<tab>i :let w:netrw_liststyle=2<cr><c-L>'
      exe 'sil! menu '.g:NetrwMenuPriority.'.16.1.1 '.g:NetrwTopLvlMenu.'Style.Listing.tree<tab>i :let w:netrw_liststyle=3<cr><c-L>'
      exe 'sil! menu '.g:NetrwMenuPriority.'.16.2.1 '.g:NetrwTopLvlMenu.'Style.Normal-Hide-Show.Show\ All<tab>a   :let g:netrw_hide=0<cr><c-L>'
      exe 'sil! menu '.g:NetrwMenuPriority.'.16.2.3 '.g:NetrwTopLvlMenu.'Style.Normal-Hide-Show.Normal<tab>a      :let g:netrw_hide=1<cr><c-L>'
      exe 'sil! menu '.g:NetrwMenuPriority.'.16.2.2 '.g:NetrwTopLvlMenu.'Style.Normal-Hide-Show.Hidden\ Only<tab>a        :let g:netrw_hide=2<cr><c-L>'
      exe 'sil! menu '.g:NetrwMenuPriority.'.16.3   '.g:NetrwTopLvlMenu.'Style.Reverse\ Sorting\ Order<tab>'."r   r"
      exe 'sil! menu '.g:NetrwMenuPriority.'.16.4.1 '.g:NetrwTopLvlMenu.'Style.Sorting\ Method.Name<tab>s       :let g:netrw_sort_by="name"<cr><c-L>'
      exe 'sil! menu '.g:NetrwMenuPriority.'.16.4.2 '.g:NetrwTopLvlMenu.'Style.Sorting\ Method.Time<tab>s       :let g:netrw_sort_by="time"<cr><c-L>'
      exe 'sil! menu '.g:NetrwMenuPriority.'.16.4.3 '.g:NetrwTopLvlMenu.'Style.Sorting\ Method.Size<tab>s       :let g:netrw_sort_by="size"<cr><c-L>'
      exe 'sil! menu '.g:NetrwMenuPriority.'.16.4.3 '.g:NetrwTopLvlMenu.'Style.Sorting\ Method.Exten<tab>s      :let g:netrw_sort_by="exten"<cr><c-L>'
      exe 'sil! menu '.g:NetrwMenuPriority.'.17     '.g:NetrwTopLvlMenu.'Rename\ File/Directory<tab>R     R'
      exe 'sil! menu '.g:NetrwMenuPriority.'.18     '.g:NetrwTopLvlMenu.'Set\ Current\ Directory<tab>c    c'
      let s:netrw_menucnt= 28
      call s:NetrwBookmarkMenu() " provide some history!  uses priorities 2,3, reserves 4, 8.2.x
      call s:NetrwTgtMenu()      " let bookmarks and history be easy targets

    elseif !a:domenu
      let s:netrwcnt = 0
      let curwin     = winnr()
      windo if getline(2) =~# "Netrw" | let s:netrwcnt= s:netrwcnt + 1 | endif
      exe curwin."wincmd w"

      if s:netrwcnt <= 1
        "     call Decho("clear menus",'~'.expand("<slnum>"))
        exe 'sil! unmenu '.g:NetrwTopLvlMenu
        "     call Decho('exe sil! unmenu '.g:NetrwTopLvlMenu.'*','~'.expand("<slnum>"))
        sil! unlet s:netrw_menu_enabled
      endif
    endif
    "   call Dret("NetrwMenu")
    return
  endif

endfun

" ---------------------------------------------------------------------
" s:NetrwObtain: obtain file under cursor or from markfile list {{{2
"                Used by the O maps (as <SID>NetrwObtain())
fun! s:NetrwObtain(islocal)
  "  call Dfunc("NetrwObtain(islocal=".a:islocal.")")

  let ykeep= @@
  if exists("s:netrwmarkfilelist_{bufnr('%')}")
    let islocal= s:netrwmarkfilelist_{bufnr('%')}[1] !~ '^\a\{3,}://'
    call netrw#Obtain(islocal,s:netrwmarkfilelist_{bufnr('%')})
    call s:NetrwUnmarkList(bufnr('%'),b:netrw_curdir)
  else
    call netrw#Obtain(a:islocal,s:NetrwGetWord())
  endif
  let @@= ykeep

  "  call Dret("NetrwObtain")
endfun

" ---------------------------------------------------------------------
" s:NetrwPrevWinOpen: open file/directory in previous window.  {{{2
"   If there's only one window, then the window will first be split.
"   Returns:
"     choice = 0 : didn't have to choose
"     choice = 1 : saved modified file in window first
"     choice = 2 : didn't save modified file, opened window
"     choice = 3 : cancel open
fun! s:NetrwPrevWinOpen(islocal)
  let ykeep= @@
  " grab a copy of the b:netrw_curdir to pass it along to newly split windows
  let curdir = b:netrw_curdir

  " get last window number and the word currently under the cursor
  let origwin   = winnr()
  let lastwinnr = winnr("$")
  let curword      = s:NetrwGetWord()
  let choice       = 0
  let s:prevwinopen= 1  " lets s:NetrwTreeDir() know that NetrwPrevWinOpen called it (s:NetrwTreeDir() will unlet s:prevwinopen)
  let s:treedir = s:NetrwTreeDir(a:islocal)
  let curdir    = s:treedir

  let didsplit = 0
  if lastwinnr == 1
    " if only one window, open a new one first
    " g:netrw_preview=0: preview window shown in a horizontally split window
    " g:netrw_preview=1: preview window shown in a vertically   split window
    if g:netrw_preview
      " vertically split preview window
      let winsz= (g:netrw_winsize > 0)? (g:netrw_winsize*winwidth(0))/100 : -g:netrw_winsize
      exe (g:netrw_alto? "top " : "bot ")."vert ".winsz."wincmd s"
    else
      " horizontally split preview window
      let winsz= (g:netrw_winsize > 0)? (g:netrw_winsize*winheight(0))/100 : -g:netrw_winsize
      exe (g:netrw_alto? "bel " : "abo ").winsz."wincmd s"
    endif
    let didsplit = 1

  else
    NetrwKeepj call s:SaveBufVars()
    let eikeep= &ei
    setl ei=all
    wincmd p

    if exists("s:lexplore_win") && s:lexplore_win == winnr()
      " whoops -- user trying to open file in the Lexplore window.
      " Use Lexplore's opening-file window instead.
      "    exe g:netrw_chgwin."wincmd w"
      wincmd p
      call s:NetrwBrowse(0,s:NetrwBrowseChgDir(0,s:NetrwGetWord(),1))
    endif

    " prevwinnr: the window number of the "prev" window
    " prevbufnr: the buffer number of the buffer in the "prev" window
    " bnrcnt   : the qty of windows open on the "prev" buffer
    let prevwinnr   = winnr()
    let prevbufnr   = bufnr("%")
    let prevbufname = bufname("%")
    let prevmod     = &mod
    let bnrcnt      = 0
    NetrwKeepj call s:RestoreBufVars()

    " if the previous window's buffer has been changed (ie. its modified flag is set),
    " and it doesn't appear in any other extant window, then ask the
    " user if s/he wants to abandon modifications therein.
    if prevmod
      windo if winbufnr(0) == prevbufnr | let bnrcnt=bnrcnt+1 | endif
      exe prevwinnr."wincmd w"

      if bnrcnt == 1 && &hidden == 0
        " only one copy of the modified buffer in a window, and
        " hidden not set, so overwriting will lose the modified file.  Ask first...
        let choice = confirm("Save modified buffer<".prevbufname."> first?","&Yes\n&No\n&Cancel")
        let &ei= eikeep

        if choice == 1
          " Yes -- write file & then browse
          let v:errmsg= ""
          sil w
          if v:errmsg != ""
            call netrw#ErrorMsg(s:ERROR,"unable to write <".(exists("prevbufname")? prevbufname : 'n/a').">!",30)
            exe origwin."wincmd w"
            let &ei = eikeep
            let @@  = ykeep
            return choice
          endif

        elseif choice == 2
          " No -- don't worry about changed file, just browse anyway
          echomsg "**note** changes to ".prevbufname." abandoned"

        else
          " Cancel -- don't do this
          exe origwin."wincmd w"
          let &ei= eikeep
          let @@ = ykeep
          return choice
        endif
      endif
    endif
    let &ei= eikeep
  endif

  " restore b:netrw_curdir (window split/enew may have lost it)
  let b:netrw_curdir= curdir
  if a:islocal < 2
    if a:islocal
      call netrw#LocalBrowseCheck(s:NetrwBrowseChgDir(a:islocal,curword,0))
    else
      call s:NetrwBrowse(a:islocal,s:NetrwBrowseChgDir(a:islocal,curword,0))
    endif
  endif
  let @@= ykeep
  return choice
endfun

" ---------------------------------------------------------------------
" s:NetrwUpload: load fname to tgt (used by NetrwMarkFileCopy()) {{{2
"                Always assumed to be local -> remote
"                call s:NetrwUpload(filename, target)
"                call s:NetrwUpload(filename, target, fromdirectory)
fun! s:NetrwUpload(fname,tgt,...)
  "  call Dfunc("s:NetrwUpload(fname<".((type(a:fname) == 1)? a:fname : string(a:fname))."> tgt<".a:tgt.">) a:0=".a:0)

  if a:tgt =~ '^\a\{3,}://'
    let tgtdir= substitute(a:tgt,'^\a\{3,}://[^/]\+/\(.\{-}\)$','\1','')
  else
    let tgtdir= substitute(a:tgt,'^\(.*\)/[^/]*$','\1','')
  endif
  "  call Decho("tgtdir<".tgtdir.">",'~'.expand("<slnum>"))

  if a:0 > 0
    let fromdir= a:1
  else
    let fromdir= getcwd()
  endif
  "  call Decho("fromdir<".fromdir.">",'~'.expand("<slnum>"))

  if type(a:fname) == 1
    " handle uploading a single file using NetWrite
    "   call Decho("handle uploading a single file via NetWrite",'~'.expand("<slnum>"))
    1split
    "   call Decho("exe e ".fnameescape(s:NetrwFile(a:fname)),'~'.expand("<slnum>"))
    exe "NetrwKeepj e ".fnameescape(s:NetrwFile(a:fname))
    "   call Decho("now locally editing<".expand("%").">, has ".line("$")." lines",'~'.expand("<slnum>"))
    if a:tgt =~ '/$'
      let wfname= substitute(a:fname,'^.*/','','')
      "    call Decho("exe w! ".fnameescape(wfname),'~'.expand("<slnum>"))
      exe "w! ".fnameescape(a:tgt.wfname)
    else
      "    call Decho("writing local->remote: exe w ".fnameescape(a:tgt),'~'.expand("<slnum>"))
      exe "w ".fnameescape(a:tgt)
      "    call Decho("done writing local->remote",'~'.expand("<slnum>"))
    endif
    q!

  elseif type(a:fname) == 3
    " handle uploading a list of files via scp
    "   call Decho("handle uploading a list of files via scp",'~'.expand("<slnum>"))
    let curdir= getcwd()
    if a:tgt =~ '^scp:'
      if s:NetrwLcd(fromdir)
        "     call Dret("s:NetrwUpload : lcd failure")
        return
      endif
      let filelist= deepcopy(s:netrwmarkfilelist_{bufnr('%')})
      let args    = join(map(filelist,"s:ShellEscape(v:val, 1)"))
      if exists("g:netrw_port") && g:netrw_port != ""
        let useport= " ".g:netrw_scpport." ".g:netrw_port
      else
        let useport= ""
      endif
      let machine = substitute(a:tgt,'^scp://\([^/:]\+\).*$','\1','')
      let tgt     = substitute(a:tgt,'^scp://[^/]\+/\(.*\)$','\1','')
      call s:NetrwExe(s:netrw_silentxfer."!".g:netrw_scp_cmd.s:ShellEscape(useport,1)." ".args." ".s:ShellEscape(machine.":".tgt,1))
      if s:NetrwLcd(curdir)
        "     call Dret("s:NetrwUpload : lcd failure")
        return
      endif

    elseif a:tgt =~ '^ftp:'
      call s:NetrwMethod(a:tgt)

      if b:netrw_method == 2
        " handle uploading a list of files via ftp+.netrc
        let netrw_fname = b:netrw_fname
        sil NetrwKeepj new
        "     call Decho("filter input window#".winnr(),'~'.expand("<slnum>"))

        NetrwKeepj put =g:netrw_ftpmode
        "     call Decho("filter input: ".getline('$'),'~'.expand("<slnum>"))

        if exists("g:netrw_ftpextracmd")
          NetrwKeepj put =g:netrw_ftpextracmd
          "      call Decho("filter input: ".getline('$'),'~'.expand("<slnum>"))
        endif

        NetrwKeepj call setline(line("$")+1,'lcd "'.fromdir.'"')
        "     call Decho("filter input: ".getline('$'),'~'.expand("<slnum>"))

        if tgtdir == ""
          let tgtdir= '/'
        endif
        NetrwKeepj call setline(line("$")+1,'cd "'.tgtdir.'"')
        "     call Decho("filter input: ".getline('$'),'~'.expand("<slnum>"))

        for fname in a:fname
          NetrwKeepj call setline(line("$")+1,'put "'.s:NetrwFile(fname).'"')
          "      call Decho("filter input: ".getline('$'),'~'.expand("<slnum>"))
        endfor

        if exists("g:netrw_port") && g:netrw_port != ""
          call s:NetrwExe(s:netrw_silentxfer."%!".s:netrw_ftp_cmd." -i ".s:ShellEscape(g:netrw_machine,1)." ".s:ShellEscape(g:netrw_port,1))
        else
          "      call Decho("filter input window#".winnr(),'~'.expand("<slnum>"))
          call s:NetrwExe(s:netrw_silentxfer."%!".s:netrw_ftp_cmd." -i ".s:ShellEscape(g:netrw_machine,1))
        endif
        " If the result of the ftp operation isn't blank, show an error message (tnx to Doug Claar)
        sil NetrwKeepj g/Local directory now/d
        call histdel("/",-1)
        if getline(1) !~ "^$" && !exists("g:netrw_quiet") && getline(1) !~ '^Trying '
          call netrw#ErrorMsg(s:ERROR,getline(1),14)
        else
          bw!|q
        endif

      elseif b:netrw_method == 3
        " upload with ftp + machine, id, passwd, and fname (ie. no .netrc)
        let netrw_fname= b:netrw_fname
        NetrwKeepj call s:SaveBufVars()|sil NetrwKeepj new|NetrwKeepj call s:RestoreBufVars()
        let tmpbufnr= bufnr("%")
        setl ff=unix

        if exists("g:netrw_port") && g:netrw_port != ""
          NetrwKeepj put ='open '.g:netrw_machine.' '.g:netrw_port
        "      call Decho("filter input: ".getline('$'),'~'.expand("<slnum>"))
        else
          NetrwKeepj put ='open '.g:netrw_machine
          "      call Decho("filter input: ".getline('$'),'~'.expand("<slnum>"))
        endif

        if exists("g:netrw_uid") && g:netrw_uid != ""
          if exists("g:netrw_ftp") && g:netrw_ftp == 1
            NetrwKeepj put =g:netrw_uid
            "       call Decho("filter input: ".getline('$'),'~'.expand("<slnum>"))
            if exists("s:netrw_passwd")
              NetrwKeepj call setline(line("$")+1,'"'.s:netrw_passwd.'"')
            endif
          "       call Decho("filter input: ".getline('$'),'~'.expand("<slnum>"))
          elseif exists("s:netrw_passwd")
            NetrwKeepj put ='user \"'.g:netrw_uid.'\" \"'.s:netrw_passwd.'\"'
            "       call Decho("filter input: ".getline('$'),'~'.expand("<slnum>"))
          endif
        endif

        NetrwKeepj call setline(line("$")+1,'lcd "'.fromdir.'"')
        "     call Decho("filter input: ".getline('$'),'~'.expand("<slnum>"))

        if exists("b:netrw_fname") && b:netrw_fname != ""
          NetrwKeepj call setline(line("$")+1,'cd "'.b:netrw_fname.'"')
          "      call Decho("filter input: ".getline('$'),'~'.expand("<slnum>"))
        endif

        if exists("g:netrw_ftpextracmd")
          NetrwKeepj put =g:netrw_ftpextracmd
          "      call Decho("filter input: ".getline('$'),'~'.expand("<slnum>"))
        endif

        for fname in a:fname
          NetrwKeepj call setline(line("$")+1,'put "'.fname.'"')
          "      call Decho("filter input: ".getline('$'),'~'.expand("<slnum>"))
        endfor

        " perform ftp:
        " -i       : turns off interactive prompting from ftp
        " -n  unix : DON'T use <.netrc>, even though it exists
        " -n  win32: quit being obnoxious about password
        NetrwKeepj norm! 1G"_dd
        call s:NetrwExe(s:netrw_silentxfer."%!".s:netrw_ftp_cmd." ".g:netrw_ftp_options)
        " If the result of the ftp operation isn't blank, show an error message (tnx to Doug Claar)
        sil NetrwKeepj g/Local directory now/d
        call histdel("/",-1)
        if getline(1) !~ "^$" && !exists("g:netrw_quiet") && getline(1) !~ '^Trying '
          let debugkeep= &debug
          setl debug=msg
          call netrw#ErrorMsg(s:ERROR,getline(1),15)
          let &debug = debugkeep
          let mod    = 1
        else
          bw!|q
        endif
      elseif !exists("b:netrw_method") || b:netrw_method < 0
        "     call Dret("s:#NetrwUpload : unsupported method")
        return
      endif
    else
      call netrw#ErrorMsg(s:ERROR,"can't obtain files with protocol from<".a:tgt.">",63)
    endif
  endif

  "  call Dret("s:NetrwUpload")
endfun

" ---------------------------------------------------------------------
" s:NetrwPreview: supports netrw's "p" map {{{2
fun! s:NetrwPreview(path) range
  "  call Dfunc("NetrwPreview(path<".a:path.">)")
  "  call Decho("g:netrw_alto   =".(exists("g:netrw_alto")?    g:netrw_alto    : 'n/a'),'~'.expand("<slnum>"))
  "  call Decho("g:netrw_preview=".(exists("g:netrw_preview")? g:netrw_preview : 'n/a'),'~'.expand("<slnum>"))
  let ykeep= @@
  NetrwKeepj call s:NetrwOptionsSave("s:")
  if a:path !~ '^\*\{1,2}/' && a:path !~ '^\a\{3,}://'
    NetrwKeepj call s:NetrwOptionsSafe(1)
  else
    NetrwKeepj call s:NetrwOptionsSafe(0)
  endif
  if has("quickfix")
    "   call Decho("has quickfix",'~'.expand("<slnum>"))
    if !isdirectory(s:NetrwFile(a:path))
      "    call Decho("good; not previewing a directory",'~'.expand("<slnum>"))
      if g:netrw_preview
        " vertical split
        let pvhkeep = &pvh
        let winsz   = (g:netrw_winsize > 0)? (g:netrw_winsize*winwidth(0))/100 : -g:netrw_winsize
        let &pvh    = winwidth(0) - winsz
      "     call Decho("g:netrw_preview: winsz=".winsz." &pvh=".&pvh." (temporarily)  g:netrw_winsize=".g:netrw_winsize,'~'.expand("<slnum>"))
      else
        " horizontal split
        let pvhkeep = &pvh
        let winsz   = (g:netrw_winsize > 0)? (g:netrw_winsize*winheight(0))/100 : -g:netrw_winsize
        let &pvh    = winheight(0) - winsz
        "     call Decho("!g:netrw_preview: winsz=".winsz." &pvh=".&pvh." (temporarily)  g:netrw_winsize=".g:netrw_winsize,'~'.expand("<slnum>"))
      endif
      " g:netrw_preview   g:netrw_alto
      "    1 : vert        1: top       -- preview window is vertically   split off and on the left
      "    1 : vert        0: bot       -- preview window is vertically   split off and on the right
      "    0 :             1: top       -- preview window is horizontally split off and on the top
      "    0 :             0: bot       -- preview window is horizontally split off and on the bottom
      "
      " Note that the file being previewed is already known to not be a directory, hence we can avoid doing a LocalBrowseCheck() check via
      " the BufEnter event set up in netrwPlugin.vim
      "    call Decho("exe ".(g:netrw_alto? "top " : "bot ").(g:netrw_preview? "vert " : "")."pedit ".fnameescape(a:path),'~'.expand("<slnum>"))
      let eikeep = &ei
      set ei=BufEnter
      exe (g:netrw_alto? "top " : "bot ").(g:netrw_preview? "vert " : "")."pedit ".fnameescape(a:path)
      let &ei= eikeep
      "    call Decho("winnr($)=".winnr("$"),'~'.expand("<slnum>"))
      if exists("pvhkeep")
        let &pvh= pvhkeep
      endif
    elseif !exists("g:netrw_quiet")
      NetrwKeepj call netrw#ErrorMsg(s:WARNING,"sorry, cannot preview a directory such as <".a:path.">",38)
    endif
  elseif !exists("g:netrw_quiet")
    NetrwKeepj call netrw#ErrorMsg(s:WARNING,"sorry, to preview your vim needs the quickfix feature compiled in",39)
  endif
  NetrwKeepj call s:NetrwOptionsRestore("s:")
  let @@= ykeep
  "  call Dret("NetrwPreview")
endfun

" ---------------------------------------------------------------------
" s:NetrwRefresh: {{{2
fun! s:NetrwRefresh(islocal,dirname)
  "  call Dfunc("s:NetrwRefresh(islocal<".a:islocal.">,dirname=".a:dirname.") g:netrw_hide=".g:netrw_hide." g:netrw_sort_direction=".g:netrw_sort_direction)
  " at the current time (Mar 19, 2007) all calls to NetrwRefresh() call NetrwBrowseChgDir() first.
  setl ma noro
  "  call Decho("setl ma noro",'~'.expand("<slnum>"))
  "  call Decho("clear buffer<".expand("%")."> with :%d",'~'.expand("<slnum>"))
  let ykeep      = @@
  if exists("w:netrw_liststyle") && w:netrw_liststyle == s:TREELIST
    if !exists("w:netrw_treetop")
      if exists("b:netrw_curdir")
        let w:netrw_treetop= b:netrw_curdir
      else
        let w:netrw_treetop= getcwd()
      endif
    endif
    NetrwKeepj call s:NetrwRefreshTreeDict(w:netrw_treetop)
  endif

  " save the cursor position before refresh.
  let screenposn = winsaveview()
  "  call Decho("saving posn to screenposn<".string(screenposn).">",'~'.expand("<slnum>"))

  "  call Decho("win#".winnr().": ".winheight(0)."x".winwidth(0)." curfile<".expand("%").">",'~'.expand("<slnum>"))
  "  call Decho("clearing buffer prior to refresh",'~'.expand("<slnum>"))
  sil! NetrwKeepj %d _
  if a:islocal
    NetrwKeepj call netrw#LocalBrowseCheck(a:dirname)
  else
    NetrwKeepj call s:NetrwBrowse(a:islocal,a:dirname)
  endif

  " restore position
  "  call Decho("restoring posn to screenposn<".string(screenposn).">",'~'.expand("<slnum>"))
  NetrwKeepj call winrestview(screenposn)

  " restore file marks
  if has("syntax") && exists("g:syntax_on") && g:syntax_on
    if exists("s:netrwmarkfilemtch_{bufnr('%')}") && s:netrwmarkfilemtch_{bufnr("%")} != ""
      " "   call Decho("exe 2match netrwMarkFile /".s:netrwmarkfilemtch_{bufnr("%")}."/",'~'.expand("<slnum>"))
      exe "2match netrwMarkFile /".s:netrwmarkfilemtch_{bufnr("%")}."/"
    else
      " "   call Decho("2match none  (bufnr(%)=".bufnr("%")."<".bufname("%").">)",'~'.expand("<slnum>"))
      2match none
    endif
  endif

  "  restore
  let @@= ykeep
  "  call Dret("s:NetrwRefresh")
endfun

" ---------------------------------------------------------------------
" s:NetrwRefreshDir: refreshes a directory by name {{{2
"                    Called by NetrwMarkFileCopy()
"                    Interfaces to s:NetrwRefresh() and s:LocalBrowseRefresh()
fun! s:NetrwRefreshDir(islocal,dirname)
  if g:netrw_fastbrowse == 0
    " slowest mode (keep buffers refreshed, local or remote)
    let tgtwin= bufwinnr(a:dirname)

    if tgtwin > 0
      " tgtwin is being displayed, so refresh it
      let curwin= winnr()
      exe tgtwin."wincmd w"
      NetrwKeepj call s:NetrwRefresh(a:islocal,s:NetrwBrowseChgDir(a:islocal,'./',0))
      exe curwin."wincmd w"

    elseif bufnr(a:dirname) > 0
      let bn= bufnr(a:dirname)
      exe "sil keepj bd ".bn
    endif

  elseif g:netrw_fastbrowse <= 1
    NetrwKeepj call s:LocalBrowseRefresh()
  endif
endfun

" ---------------------------------------------------------------------
" s:NetrwSetChgwin: set g:netrw_chgwin; a <cr> will use the specified
" window number to do its editing in.
" Supports   [count]C  where the count, if present, is used to specify
" a window to use for editing via the <cr> mapping.
fun! s:NetrwSetChgwin(...)
  "  call Dfunc("s:NetrwSetChgwin() v:count=".v:count)
  if a:0 > 0
    "   call Decho("a:1<".a:1.">",'~'.expand("<slnum>"))
    if a:1 == ""    " :NetrwC win#
      let g:netrw_chgwin= winnr()
    else              " :NetrwC
      let g:netrw_chgwin= a:1
    endif
  elseif v:count > 0 " [count]C
    let g:netrw_chgwin= v:count
  else               " C
    let g:netrw_chgwin= winnr()
  endif
  echo "editing window now set to window#".g:netrw_chgwin
  "  call Dret("s:NetrwSetChgwin : g:netrw_chgwin=".g:netrw_chgwin)
endfun

" ---------------------------------------------------------------------
" s:NetrwSetSort: sets up the sort based on the g:netrw_sort_sequence {{{2
"          What this function does is to compute a priority for the patterns
"          in the g:netrw_sort_sequence.  It applies a substitute to any
"          "files" that satisfy each pattern, putting the priority / in
"          front.  An "*" pattern handles the default priority.
fun! s:NetrwSetSort()
  "  call Dfunc("SetSort() bannercnt=".w:netrw_bannercnt)
  let ykeep= @@
  if w:netrw_liststyle == s:LONGLIST
    let seqlist  = substitute(g:netrw_sort_sequence,'\$','\\%(\t\\|\$\\)','ge')
  else
    let seqlist  = g:netrw_sort_sequence
  endif
  " sanity check -- insure that * appears somewhere
  if seqlist == ""
    let seqlist= '*'
  elseif seqlist !~ '\*'
    let seqlist= seqlist.',*'
  endif
  let priority = 1
  while seqlist != ""
    if seqlist =~ ','
      let seq     = substitute(seqlist,',.*$','','e')
      let seqlist = substitute(seqlist,'^.\{-},\(.*\)$','\1','e')
    else
      let seq     = seqlist
      let seqlist = ""
    endif
    if priority < 10
      let spriority= "00".priority.g:netrw_sepchr
    elseif priority < 100
      let spriority= "0".priority.g:netrw_sepchr
    else
      let spriority= priority.g:netrw_sepchr
    endif
    "   call Decho("priority=".priority." spriority<".spriority."> seq<".seq."> seqlist<".seqlist.">",'~'.expand("<slnum>"))

    " sanity check
    if w:netrw_bannercnt > line("$")
      " apparently no files were left after a Hiding pattern was used
      "    call Dret("SetSort : no files left after hiding")
      return
    endif
    if seq == '*'
      let starpriority= spriority
    else
      exe 'sil NetrwKeepj '.w:netrw_bannercnt.',$g/'.seq.'/s/^/'.spriority.'/'
      call histdel("/",-1)
      " sometimes multiple sorting patterns will match the same file or directory.
      " The following substitute is intended to remove the excess matches.
      exe 'sil NetrwKeepj '.w:netrw_bannercnt.',$g/^\d\{3}'.g:netrw_sepchr.'\d\{3}\//s/^\d\{3}'.g:netrw_sepchr.'\(\d\{3}\/\).\@=/\1/e'
      NetrwKeepj call histdel("/",-1)
    endif
    let priority = priority + 1
  endwhile
  if exists("starpriority")
    exe 'sil NetrwKeepj '.w:netrw_bannercnt.',$v/^\d\{3}'.g:netrw_sepchr.'/s/^/'.starpriority.'/e'
    NetrwKeepj call histdel("/",-1)
  endif

  " Following line associated with priority -- items that satisfy a priority
  " pattern get prefixed by ###/ which permits easy sorting by priority.
  " Sometimes files can satisfy multiple priority patterns -- only the latest
  " priority pattern needs to be retained.  So, at this point, these excess
  " priority prefixes need to be removed, but not directories that happen to
  " be just digits themselves.
  exe 'sil NetrwKeepj '.w:netrw_bannercnt.',$s/^\(\d\{3}'.g:netrw_sepchr.'\)\%(\d\{3}'.g:netrw_sepchr.'\)\+\ze./\1/e'
  NetrwKeepj call histdel("/",-1)
  let @@= ykeep

  "  call Dret("SetSort")
endfun

" ---------------------------------------------------------------------
" s:NetrwSetTgt: sets the target to the specified choice index {{{2
"    Implements [count]Tb  (bookhist<b>)
"               [count]Th  (bookhist<h>)
"               See :help netrw-qb for how to make the choice.
fun! s:NetrwSetTgt(islocal,bookhist,choice)
  "  call Dfunc("s:NetrwSetTgt(islocal=".a:islocal." bookhist<".a:bookhist."> choice#".a:choice.")")

  if     a:bookhist == 'b'
    " supports choosing a bookmark as a target using a qb-generated list
    let choice= a:choice - 1
    if exists("g:netrw_bookmarklist[".choice."]")
      call netrw#MakeTgt(g:netrw_bookmarklist[choice])
    else
      echomsg "Sorry, bookmark#".a:choice." doesn't exist!"
    endif

  elseif a:bookhist == 'h'
    " supports choosing a history stack entry as a target using a qb-generated list
    let choice= (a:choice % g:netrw_dirhistmax) + 1
    if exists("g:netrw_dirhist_".choice)
      let histentry = g:netrw_dirhist_{choice}
      call netrw#MakeTgt(histentry)
    else
      echomsg "Sorry, history#".a:choice." not available!"
    endif
  endif

  " refresh the display
  if !exists("b:netrw_curdir")
    let b:netrw_curdir= getcwd()
  endif
  call s:NetrwRefresh(a:islocal,b:netrw_curdir)

  "  call Dret("s:NetrwSetTgt")
endfun

" =====================================================================
" s:NetrwSortStyle: change sorting style (name - time - size - exten) and refresh display {{{2
fun! s:NetrwSortStyle(islocal)
  NetrwKeepj call s:NetrwSaveWordPosn()
  let svpos= winsaveview()

  let g:netrw_sort_by= (g:netrw_sort_by =~# '^n')? 'time' : (g:netrw_sort_by =~# '^t')? 'size' : (g:netrw_sort_by =~# '^siz')? 'exten' : 'name'
  NetrwKeepj norm! 0
  NetrwKeepj call s:NetrwRefresh(a:islocal,s:NetrwBrowseChgDir(a:islocal,'./',0))
  NetrwKeepj call winrestview(svpos)
endfun

" ---------------------------------------------------------------------
" s:NetrwSplit: mode {{{2
"           =0 : net   and o
"           =1 : net   and t
"           =2 : net   and v
"           =3 : local and o
"           =4 : local and t
"           =5 : local and v
fun! s:NetrwSplit(mode)

  let ykeep= @@
  call s:SaveWinVars()

  if a:mode == 0
    " remote and o
    let winsz= (g:netrw_winsize > 0)? (g:netrw_winsize*winheight(0))/100 : -g:netrw_winsize
    if winsz == 0|let winsz= ""|endif
    exe (g:netrw_alto? "bel " : "abo ").winsz."wincmd s"
    let s:didsplit= 1
    NetrwKeepj call s:RestoreWinVars()
    NetrwKeepj call s:NetrwBrowse(0,s:NetrwBrowseChgDir(0,s:NetrwGetWord(),1))
    unlet s:didsplit

  elseif a:mode == 1
    " remote and t
    let newdir  = s:NetrwBrowseChgDir(0,s:NetrwGetWord(),1)
    tabnew
    let s:didsplit= 1
    NetrwKeepj call s:RestoreWinVars()
    NetrwKeepj call s:NetrwBrowse(0,newdir)
    unlet s:didsplit

  elseif a:mode == 2
    " remote and v
    let winsz= (g:netrw_winsize > 0)? (g:netrw_winsize*winwidth(0))/100 : -g:netrw_winsize
    if winsz == 0|let winsz= ""|endif
    exe (g:netrw_altv? "rightb " : "lefta ").winsz."wincmd v"
    let s:didsplit= 1
    NetrwKeepj call s:RestoreWinVars()
    NetrwKeepj call s:NetrwBrowse(0,s:NetrwBrowseChgDir(0,s:NetrwGetWord(),1))
    unlet s:didsplit

  elseif a:mode == 3
    " local and o
    let winsz= (g:netrw_winsize > 0)? (g:netrw_winsize*winheight(0))/100 : -g:netrw_winsize
    if winsz == 0|let winsz= ""|endif
    exe (g:netrw_alto? "bel " : "abo ").winsz."wincmd s"
    let s:didsplit= 1
    NetrwKeepj call s:RestoreWinVars()
    NetrwKeepj call netrw#LocalBrowseCheck(s:NetrwBrowseChgDir(1,s:NetrwGetWord(),1))
    unlet s:didsplit

  elseif a:mode == 4
    " local and t
    let cursorword  = s:NetrwGetWord()
    let eikeep      = &ei
    let netrw_winnr = winnr()
    let netrw_line  = line(".")
    let netrw_col   = virtcol(".")
    NetrwKeepj norm! H0
    let netrw_hline = line(".")
    setl ei=all
    exe "NetrwKeepj norm! ".netrw_hline."G0z\<CR>"
    exe "NetrwKeepj norm! ".netrw_line."G0".netrw_col."\<bar>"
    let &ei          = eikeep
    let netrw_curdir = s:NetrwTreeDir(0)
    tabnew
    let b:netrw_curdir = netrw_curdir
    let s:didsplit     = 1
    NetrwKeepj call s:RestoreWinVars()
    NetrwKeepj call netrw#LocalBrowseCheck(s:NetrwBrowseChgDir(1,cursorword,0))
    if &ft == "netrw"
      setl ei=all
      exe "NetrwKeepj norm! ".netrw_hline."G0z\<CR>"
      exe "NetrwKeepj norm! ".netrw_line."G0".netrw_col."\<bar>"
      let &ei= eikeep
    endif
    unlet s:didsplit

  elseif a:mode == 5
    " local and v
    let winsz= (g:netrw_winsize > 0)? (g:netrw_winsize*winwidth(0))/100 : -g:netrw_winsize
    if winsz == 0|let winsz= ""|endif
    exe (g:netrw_altv? "rightb " : "lefta ").winsz."wincmd v"
    let s:didsplit= 1
    NetrwKeepj call s:RestoreWinVars()
    NetrwKeepj call netrw#LocalBrowseCheck(s:NetrwBrowseChgDir(1,s:NetrwGetWord(),1))
    unlet s:didsplit

  else
    NetrwKeepj call netrw#ErrorMsg(s:ERROR,"(NetrwSplit) unsupported mode=".a:mode,45)
  endif

  let @@= ykeep
endfun

" ---------------------------------------------------------------------
" s:NetrwTgtMenu: {{{2
fun! s:NetrwTgtMenu()
  if !exists("s:netrw_menucnt")
    return
  endif
  "  call Dfunc("s:NetrwTgtMenu()")

  " the following test assures that gvim is running, has menus available, and has menus enabled.
  if has("gui") && has("menu") && has("gui_running") && &go =~# 'm' && g:netrw_menu
    if exists("g:NetrwTopLvlMenu")
      "    call Decho("removing ".g:NetrwTopLvlMenu."Bookmarks menu item(s)",'~'.expand("<slnum>"))
      exe 'sil! unmenu '.g:NetrwTopLvlMenu.'Targets'
    endif
    if !exists("s:netrw_initbookhist")
      call s:NetrwBookHistRead()
    endif

    " try to cull duplicate entries
    let tgtdict={}

    " target bookmarked places
    if exists("g:netrw_bookmarklist") && g:netrw_bookmarklist != [] && g:netrw_dirhistmax > 0
      "    call Decho("installing bookmarks as easy targets",'~'.expand("<slnum>"))
      let cnt= 1
      for bmd in g:netrw_bookmarklist
        if has_key(tgtdict,bmd)
          let cnt= cnt + 1
          continue
        endif
        let tgtdict[bmd]= cnt
        let ebmd= escape(bmd,g:netrw_menu_escape)
        " show bookmarks for goto menu
        "     call Decho("menu: Targets: ".bmd,'~'.expand("<slnum>"))
        exe 'sil! menu <silent> '.g:NetrwMenuPriority.".19.1.".cnt." ".g:NetrwTopLvlMenu.'Targets.'.ebmd." :call netrw#MakeTgt('".bmd."')\<cr>"
        let cnt= cnt + 1
      endfor
    endif

    " target directory browsing history
    if exists("g:netrw_dirhistmax") && g:netrw_dirhistmax > 0
      "    call Decho("installing history as easy targets (histmax=".g:netrw_dirhistmax.")",'~'.expand("<slnum>"))
      let histcnt = 1
      while histcnt <= g:netrw_dirhistmax
        let priority = g:netrw_dirhistcnt + histcnt
        if exists("g:netrw_dirhist_{histcnt}")
          let histentry  = g:netrw_dirhist_{histcnt}
          if has_key(tgtdict,histentry)
            let histcnt = histcnt + 1
            continue
          endif
          let tgtdict[histentry] = histcnt
          let ehistentry         = escape(histentry,g:netrw_menu_escape)
          "      call Decho("menu: Targets: ".histentry,'~'.expand("<slnum>"))
          exe 'sil! menu <silent> '.g:NetrwMenuPriority.".19.2.".priority." ".g:NetrwTopLvlMenu.'Targets.'.ehistentry."     :call netrw#MakeTgt('".histentry."')\<cr>"
        endif
        let histcnt = histcnt + 1
      endwhile
    endif
  endif
  "  call Dret("s:NetrwTgtMenu")
endfun

" ---------------------------------------------------------------------
" s:NetrwTreeDir: determine tree directory given current cursor position {{{2
" (full path directory with trailing slash returned)
fun! s:NetrwTreeDir(islocal)

  if exists("s:treedir") && exists("s:prevwinopen")
    " s:NetrwPrevWinOpen opens a "previous" window -- and thus needs to and does call s:NetrwTreeDir early
    let treedir= s:treedir
    unlet s:treedir
    unlet s:prevwinopen
    return treedir
  endif
  if exists("s:prevwinopen")
    unlet s:prevwinopen
  endif

  if !exists("b:netrw_curdir") || b:netrw_curdir == ""
    let b:netrw_curdir= getcwd()
  endif
  let treedir = b:netrw_curdir
  let s:treecurpos= winsaveview()

  if exists("w:netrw_liststyle") && w:netrw_liststyle == s:TREELIST

    " extract tree directory if on a line specifying a subdirectory (ie. ends with "/")
    let curline= substitute(getline('.'),"\t -->.*$",'','')
    if curline =~ '/$'
      let treedir= substitute(getline('.'),'^\%('.s:treedepthstring.'\)*\([^'.s:treedepthstring.'].\{-}\)$','\1','e')
    elseif curline =~ '@$'
      let potentialdir= resolve(s:NetrwTreePath(w:netrw_treetop))
    else
      let treedir= ""
    endif

    " detect user attempting to close treeroot
    if curline !~ '^'.s:treedepthstring && getline('.') != '..'
      " now force a refresh
      sil! NetrwKeepj %d _
      return b:netrw_curdir
    endif

    " COMBAK: a symbolic link may point anywhere -- so it will be used to start a new treetop
    "   if a:islocal && curline =~ '@$' && isdirectory(s:NetrwFile(potentialdir))
    "    let newdir          = w:netrw_treetop.'/'.potentialdir
    if a:islocal && curline =~ '@$'
      if isdirectory(s:NetrwFile(potentialdir))
        let treedir = potentialdir
        let w:netrw_treetop = treedir
      endif
    else
      let potentialdir= s:NetrwFile(substitute(curline,'^'.s:treedepthstring.'\+ \(.*\)@$','\1',''))
      let treedir = s:NetrwTreePath(w:netrw_treetop)
    endif
  endif

  " sanity maintenance: keep those //s away...
  let treedir= substitute(treedir,'//$','/','')
  return treedir
endfun

" ---------------------------------------------------------------------
" s:NetrwTreeDisplay: recursive tree display {{{2
fun! s:NetrwTreeDisplay(dir,depth)
  " ensure that there are no folds
  setl nofen

  " install ../ and shortdir
  if a:depth == ""
    call setline(line("$")+1,'../')
  endif
  if a:dir =~ '^\a\{3,}://'
    if a:dir == w:netrw_treetop
      let shortdir= a:dir
    else
      let shortdir= substitute(a:dir,'^.*/\([^/]\+\)/$','\1/','e')
    endif
    call setline(line("$")+1,a:depth.shortdir)
  else
    let shortdir= substitute(a:dir,'^.*/','','e')
    call setline(line("$")+1,a:depth.shortdir.'/')
  endif
  " append a / to dir if its missing one
  let dir= a:dir

  " display subtrees (if any)
  let depth= s:treedepthstring.a:depth

  " implement g:netrw_hide for tree listings (uses g:netrw_list_hide)
  if     g:netrw_hide == 1
    " hide given patterns
    let listhide= split(g:netrw_list_hide,',')
    for pat in listhide
      call filter(w:netrw_treedict[dir],'v:val !~ "'.escape(pat,'\\').'"')
    endfor

  elseif g:netrw_hide == 2
    " show given patterns (only)
    let listhide= split(g:netrw_list_hide,',')
    let entries=[]
    for entry in w:netrw_treedict[dir]
      for pat in listhide
        if entry =~ pat
          call add(entries,entry)
          break
        endif
      endfor
    endfor
    let w:netrw_treedict[dir]= entries
  endif
  if depth != ""
    " always remove "." and ".." entries when there's depth
    call filter(w:netrw_treedict[dir],'v:val !~ "\\.\\.$"')
    call filter(w:netrw_treedict[dir],'v:val !~ "\\.\\./$"')
    call filter(w:netrw_treedict[dir],'v:val !~ "\\.$"')
    call filter(w:netrw_treedict[dir],'v:val !~ "\\./$"')
  endif

  for entry in w:netrw_treedict[dir]
    if dir =~ '/$'
      let direntry= substitute(dir.entry,'[@/]$','','e')
    else
      let direntry= substitute(dir.'/'.entry,'[@/]$','','e')
    endif
    if entry =~ '/$' && has_key(w:netrw_treedict,direntry)
      NetrwKeepj call s:NetrwTreeDisplay(direntry,depth)
    elseif entry =~ '/$' && has_key(w:netrw_treedict,direntry.'/')
      NetrwKeepj call s:NetrwTreeDisplay(direntry.'/',depth)
    elseif entry =~ '@$' && has_key(w:netrw_treedict,direntry.'@')
      NetrwKeepj call s:NetrwTreeDisplay(direntry.'@',depth)
    else
      sil! NetrwKeepj call setline(line("$")+1,depth.entry)
    endif
  endfor
endfun

" ---------------------------------------------------------------------
" s:NetrwRefreshTreeDict: updates the contents information for a tree (w:netrw_treedict) {{{2
fun! s:NetrwRefreshTreeDict(dir)
  if !exists("w:netrw_treedict")
    return
  endif

  for entry in w:netrw_treedict[a:dir]
    let direntry= substitute(a:dir.'/'.entry,'[@/]$','','e')

    if entry =~ '/$' && has_key(w:netrw_treedict,direntry)
      NetrwKeepj call s:NetrwRefreshTreeDict(direntry)
      let filelist = s:NetrwLocalListingList(direntry,0)
      let w:netrw_treedict[direntry] = sort(filelist)

    elseif entry =~ '/$' && has_key(w:netrw_treedict,direntry.'/')
      NetrwKeepj call s:NetrwRefreshTreeDict(direntry.'/')
      let filelist = s:NetrwLocalListingList(direntry.'/',0)
      let w:netrw_treedict[direntry] = sort(filelist)

    elseif entry =~ '@$' && has_key(w:netrw_treedict,direntry.'@')
      NetrwKeepj call s:NetrwRefreshTreeDict(direntry.'/')
      let liststar   = s:NetrwGlob(direntry.'/','*',1)
      let listdotstar= s:NetrwGlob(direntry.'/','.*',1)

    else
    endif
  endfor
endfun

" ---------------------------------------------------------------------
" s:NetrwTreeListing: displays tree listing from treetop on down, using NetrwTreeDisplay() {{{2
"                     Called by s:PerformListing()
fun! s:NetrwTreeListing(dirname)
  if exists("w:netrw_liststyle") && w:netrw_liststyle == s:TREELIST

    " update the treetop
    if !exists("w:netrw_treetop")
      let w:netrw_treetop= a:dirname
      let s:netrw_treetop= w:netrw_treetop
    " use \V in case the directory contains specials chars like '$' or '~'
    elseif (w:netrw_treetop =~ ('^'.'\V'.a:dirname) && s:Strlen(a:dirname) < s:Strlen(w:netrw_treetop))
          \ || a:dirname !~ ('^'.'\V'.w:netrw_treetop)
      let w:netrw_treetop= a:dirname
      let s:netrw_treetop= w:netrw_treetop
    endif
    if exists("w:netrw_treetop")
      let s:netrw_treetop= w:netrw_treetop
    else
      let w:netrw_treetop= getcwd()
      let s:netrw_treetop= w:netrw_treetop
    endif

    if !exists("w:netrw_treedict")
      " insure that we have a treedict, albeit empty
      let w:netrw_treedict= {}
    endif

    " update the dictionary for the current directory
    exe "sil! NetrwKeepj keepp ".w:netrw_bannercnt.',$g@^\.\.\=/$@d _'
    let w:netrw_treedict[a:dirname]= getline(w:netrw_bannercnt,line("$"))
    exe "sil! NetrwKeepj ".w:netrw_bannercnt.",$d _"

    " if past banner, record word
    if exists("w:netrw_bannercnt") && line(".") > w:netrw_bannercnt
      let fname= expand("<cword>")
    else
      let fname= ""
    endif

    " display from treetop on down
    NetrwKeepj call s:NetrwTreeDisplay(w:netrw_treetop,"")

    " remove any blank line remaining as line#1 (happens in treelisting mode with banner suppressed)
    while getline(1) =~ '^\s*$' && byte2line(1) > 0
      1d
    endwhile

    exe "setl ".g:netrw_bufsettings

    return
  endif
endfun

" ---------------------------------------------------------------------
" s:NetrwTreePath: returns path to current file/directory in tree listing {{{2
"                  Normally, treetop is w:netrw_treetop, but a
"                  user of the function ( netrw#SetTreetop() )
"                  wipes that out prior to calling this function
fun! s:NetrwTreePath(treetop)
  "  call Dfunc("s:NetrwTreePath(treetop<".a:treetop.">) line#".line(".")."<".getline(".").">")
  if line(".") < w:netrw_bannercnt + 2
    let treedir= a:treetop
    if treedir !~ '/$'
      let treedir= treedir.'/'
    endif
    "   call Dret("s:NetrwTreePath ".treedir." : line#".line(".")." ≤ ".(w:netrw_bannercnt+2))
    return treedir
  endif

  let svpos = winsaveview()
  "  call Decho("saving posn to svpos<".string(svpos).">",'~'.expand("<slnum>"))
  let depth = substitute(getline('.'),'^\(\%('.s:treedepthstring.'\)*\)[^'.s:treedepthstring.'].\{-}$','\1','e')
  "  call Decho("depth<".depth."> 1st subst",'~'.expand("<slnum>"))
  let depth = substitute(depth,'^'.s:treedepthstring,'','')
  "  call Decho("depth<".depth."> 2nd subst (first depth removed)",'~'.expand("<slnum>"))
  let curline= getline('.')
  "  call Decho("curline<".curline.'>','~'.expand("<slnum>"))
  if curline =~ '/$'
    "   call Decho("extract tree directory from current line",'~'.expand("<slnum>"))
    let treedir= substitute(curline,'^\%('.s:treedepthstring.'\)*\([^'.s:treedepthstring.'].\{-}\)$','\1','e')
  "   call Decho("treedir<".treedir.">",'~'.expand("<slnum>"))
  elseif curline =~ '@\s\+-->'
    "   call Decho("extract tree directory using symbolic link",'~'.expand("<slnum>"))
    let treedir= substitute(curline,'^\%('.s:treedepthstring.'\)*\([^'.s:treedepthstring.'].\{-}\)$','\1','e')
    let treedir= substitute(treedir,'@\s\+-->.*$','','e')
  "   call Decho("treedir<".treedir.">",'~'.expand("<slnum>"))
  else
    "   call Decho("do not extract tree directory from current line and set treedir to empty",'~'.expand("<slnum>"))
    let treedir= ""
  endif
  " construct treedir by searching backwards at correct depth
  "  call Decho("construct treedir by searching backwards for correct depth",'~'.expand("<slnum>"))
  "  call Decho("initial      treedir<".treedir."> depth<".depth.">",'~'.expand("<slnum>"))
  while depth != "" && search('^'.depth.'[^'.s:treedepthstring.'].\{-}/$','bW')
    let dirname= substitute(getline('.'),'^\('.s:treedepthstring.'\)*','','e')
    let treedir= dirname.treedir
    let depth  = substitute(depth,'^'.s:treedepthstring,'','')
    "   call Decho("constructing treedir<".treedir.">: dirname<".dirname."> while depth<".depth.">",'~'.expand("<slnum>"))
  endwhile
  "  call Decho("treedir#1<".treedir.">",'~'.expand("<slnum>"))
  if a:treetop =~ '/$'
    let treedir= a:treetop.treedir
  else
    let treedir= a:treetop.'/'.treedir
  endif
  "  call Decho("treedir#2<".treedir.">",'~'.expand("<slnum>"))
  let treedir= substitute(treedir,'//$','/','')
  "  call Decho("treedir#3<".treedir.">",'~'.expand("<slnum>"))
  "  call Decho("restoring posn to svpos<".string(svpos).">",'~'.expand("<slnum>"))"
  call winrestview(svpos)
  "  call Dret("s:NetrwTreePath <".treedir.">")
  return treedir
endfun

" ---------------------------------------------------------------------
" s:NetrwWideListing: {{{2
fun! s:NetrwWideListing()

  if w:netrw_liststyle == s:WIDELIST
    "   call Dfunc("NetrwWideListing() w:netrw_liststyle=".w:netrw_liststyle.' fo='.&fo.' l:fo='.&l:fo)
    " look for longest filename (cpf=characters per filename)
    " cpf: characters per filename
    " fpl: filenames per line
    " fpc: filenames per column
    setl ma noro
    let dict={}
    " save the unnamed register and register 0-9 and a
    let dict.a=[getreg('a'), getregtype('a')]
    for i in range(0, 9)
      let dict[i] = [getreg(i), getregtype(i)]
    endfor
    let dict.unnamed = [getreg(''), getregtype('')]
    "   call Decho("setl ma noro",'~'.expand("<slnum>"))
    let b:netrw_cpf= 0
    if line("$") >= w:netrw_bannercnt
      " determine the maximum filename size; use that to set cpf
      exe 'sil NetrwKeepj '.w:netrw_bannercnt.',$g/^./if virtcol("$") > b:netrw_cpf|let b:netrw_cpf= virtcol("$")|endif'
      NetrwKeepj call histdel("/",-1)
    else
      " restore stored registers
      call s:RestoreRegister(dict)
      "    call Dret("NetrwWideListing")
      return
    endif
    " allow for two spaces to separate columns
    let b:netrw_cpf= b:netrw_cpf + 2
    "   call Decho("b:netrw_cpf=max_filename_length+2=".b:netrw_cpf,'~'.expand("<slnum>"))

    " determine qty files per line (fpl)
    let w:netrw_fpl= winwidth(0)/b:netrw_cpf
    if w:netrw_fpl <= 0
      let w:netrw_fpl= 1
    endif
    "   call Decho("fpl= [winwidth=".winwidth(0)."]/[b:netrw_cpf=".b:netrw_cpf.']='.w:netrw_fpl,'~'.expand("<slnum>"))

    " make wide display
    "   fpc: files per column of wide listing
    exe 'sil NetrwKeepj '.w:netrw_bannercnt.',$s/^.*$/\=escape(printf("%-'.b:netrw_cpf.'S",submatch(0)),"\\")/'
    NetrwKeepj call histdel("/",-1)
    let fpc         = (line("$") - w:netrw_bannercnt + w:netrw_fpl)/w:netrw_fpl
    let newcolstart = w:netrw_bannercnt + fpc
    let newcolend   = newcolstart + fpc - 1
    "   call Decho("bannercnt=".w:netrw_bannercnt." fpl=".w:netrw_fpl." fpc=".fpc." newcol[".newcolstart.",".newcolend."]",'~'.expand("<slnum>"))
    if !has('nvim') && has("clipboard") && g:netrw_clipboard
      "    call Decho("(s:NetrwWideListing) save @* and @+",'~'.expand("<slnum>"))
      sil! let keepregstar = @*
      sil! let keepregplus = @+
    endif
    while line("$") >= newcolstart
      if newcolend > line("$") | let newcolend= line("$") | endif
      let newcolqty= newcolend - newcolstart
      exe newcolstart
      " COMBAK: both of the visual-mode using lines below are problematic vis-a-vis @*
      if newcolqty == 0
        exe "sil! NetrwKeepj norm! 0\<c-v>$h\"ax".w:netrw_bannercnt."G$\"ap"
      else
        exe "sil! NetrwKeepj norm! 0\<c-v>".newcolqty.'j$h"ax'.w:netrw_bannercnt.'G$"ap'
      endif
      exe "sil! NetrwKeepj ".newcolstart.','.newcolend.'d _'
      exe 'sil! NetrwKeepj '.w:netrw_bannercnt
    endwhile
    if !has('nvim') && has("clipboard")
      "    call Decho("(s:NetrwWideListing) restore @* and @+",'~'.expand("<slnum>"))
      if @* != keepregstar | sil! let @* = keepregstar | endif
      if @+ != keepregplus | sil! let @+ = keepregplus | endif
    endif
    exe "sil! NetrwKeepj ".w:netrw_bannercnt.',$s/\s\+$//e'
    NetrwKeepj call histdel("/",-1)
    exe 'nno <buffer> <silent> w :call search(''^.\\|\s\s\zs\S'',''W'')'."\<cr>"
    exe 'nno <buffer> <silent> b :call search(''^.\\|\s\s\zs\S'',''bW'')'."\<cr>"
    "   call Decho("NetrwWideListing) setl noma nomod ro",'~'.expand("<slnum>"))
    exe "setl ".g:netrw_bufsettings
    call s:RestoreRegister(dict)
    "   call Decho("ro=".&l:ro." ma=".&l:ma." mod=".&l:mod." wrap=".&l:wrap." (filename<".expand("%")."> win#".winnr()." ft<".&ft.">)",'~'.expand("<slnum>"))
    "   call Dret("NetrwWideListing")
    return
  else
    if hasmapto("w","n")
      sil! nunmap <buffer> w
    endif
    if hasmapto("b","n")
      sil! nunmap <buffer> b
    endif
  endif
endfun

" ---------------------------------------------------------------------
" s:PerformListing: {{{2
fun! s:PerformListing(islocal)
  "  call Dfunc("s:PerformListing(islocal=".a:islocal.")")
  "  call Decho("tab#".tabpagenr()." win#".winnr()." buf#".bufnr("%")."<".bufname("%")."> line#".line(".")." col#".col(".")." winline#".winline()." wincol#".wincol()." line($)=".line("$"),'~'.expand("<slnum>"))
  "  call Decho("settings: ".((&l:ma == 0)? "no" : "")."ma ".((&l:mod == 0)? "no" : "")."mod ".((&l:bl == 0)? "no" : "")."bl ".((&l:ro == 0)? "no" : "")."ro fo=".&l:fo. " (enter)"." ei<".&ei.">",'~'.expand("<slnum>"))
  sil! NetrwKeepj %d _
  "  call DechoBuf(bufnr("%"))

  " set up syntax highlighting {{{3
  "  call Decho("--set up syntax highlighting (ie. setl ft=netrw)",'~'.expand("<slnum>"))
  sil! setl ft=netrw

  NetrwKeepj call s:NetrwOptionsSafe(a:islocal)
  setl noro ma
  "  call Decho("setl noro ma bh=".&bh,'~'.expand("<slnum>"))

  "  if exists("g:netrw_silent") && g:netrw_silent == 0 && &ch >= 1       " Decho
  "   call Decho("Processing your browsing request...",'~'.expand("<slnum>"))
  "  endif                                                                " Decho

  "  call Decho('w:netrw_liststyle='.(exists("w:netrw_liststyle")? w:netrw_liststyle : 'n/a'),'~'.expand("<slnum>"))
  if exists("w:netrw_liststyle") && w:netrw_liststyle == s:TREELIST && exists("w:netrw_treedict")
    " force a refresh for tree listings
    "   call Decho("force refresh for treelisting: clear buffer<".expand("%")."> with :%d",'~'.expand("<slnum>"))
    sil! NetrwKeepj %d _
  endif

  " save current directory on directory history list
  NetrwKeepj call s:NetrwBookHistHandler(3,b:netrw_curdir)

  " Set up the banner {{{3
  if g:netrw_banner
    "   call Decho("--set up banner",'~'.expand("<slnum>"))
    NetrwKeepj call setline(1,'" ============================================================================')
    if exists("g:netrw_pchk")
      " this undocumented option allows pchk to run with different versions of netrw without causing spurious
      " failure detections.
      NetrwKeepj call setline(2,'" Netrw Directory Listing')
    else
      NetrwKeepj call setline(2,'" Netrw Directory Listing                                        (netrw '.g:loaded_netrw.')')
    endif
    if exists("g:netrw_pchk")
      let curdir= substitute(b:netrw_curdir,expand("$HOME"),'~','')
    else
      let curdir= b:netrw_curdir
    endif
    if exists("g:netrw_bannerbackslash") && g:netrw_bannerbackslash
      NetrwKeepj call setline(3,'"   '.substitute(curdir,'/','\\','g'))
    else
      NetrwKeepj call setline(3,'"   '.curdir)
    endif
    let w:netrw_bannercnt= 3
    NetrwKeepj exe "sil! NetrwKeepj ".w:netrw_bannercnt
  else
    "   call Decho("--no banner",'~'.expand("<slnum>"))
    NetrwKeepj 1
    let w:netrw_bannercnt= 1
  endif
  "  call Decho("w:netrw_bannercnt=".w:netrw_bannercnt." win#".winnr(),'~'.expand("<slnum>"))
  "  call Decho("tab#".tabpagenr()." win#".winnr()." buf#".bufnr("%")."<".bufname("%")."> line#".line(".")." col#".col(".")." winline#".winline()." wincol#".wincol()." line($)=".line("$"),'~'.expand("<slnum>"))

  " construct sortby string: [name|time|size|exten] [reversed]
  let sortby= g:netrw_sort_by
  if g:netrw_sort_direction =~# "^r"
    let sortby= sortby." reversed"
  endif

  " Sorted by... {{{3
  if g:netrw_banner
    "   call Decho("--handle specified sorting: g:netrw_sort_by<".g:netrw_sort_by.">",'~'.expand("<slnum>"))
    if g:netrw_sort_by =~# "^n"
      "   call Decho("directories will be sorted by name",'~'.expand("<slnum>"))
      " sorted by name (also includes the sorting sequence in the banner)
      NetrwKeepj put ='\"   Sorted by      '.sortby
      NetrwKeepj put ='\"   Sort sequence: '.g:netrw_sort_sequence
      let w:netrw_bannercnt= w:netrw_bannercnt + 2
    else
      "   call Decho("directories will be sorted by size or time",'~'.expand("<slnum>"))
      " sorted by time, size, exten
      NetrwKeepj put ='\"   Sorted by '.sortby
      let w:netrw_bannercnt= w:netrw_bannercnt + 1
    endif
    exe "sil! NetrwKeepj ".w:netrw_bannercnt
    "  else " Decho
    "   call Decho("g:netrw_banner=".g:netrw_banner.": banner ".(g:netrw_banner? "enabled" : "suppressed").": (line($)=".line("$")." byte2line(1)=".byte2line(1)." bannercnt=".w:netrw_bannercnt.")",'~'.expand("<slnum>"))
  endif

  " show copy/move target, if any {{{3
  if g:netrw_banner
    if exists("s:netrwmftgt") && exists("s:netrwmftgt_islocal")
      "    call Decho("--show copy/move target<".s:netrwmftgt.">",'~'.expand("<slnum>"))
      NetrwKeepj put =''
      if s:netrwmftgt_islocal
        sil! NetrwKeepj call setline(line("."),'"   Copy/Move Tgt: '.s:netrwmftgt.' (local)')
      else
        sil! NetrwKeepj call setline(line("."),'"   Copy/Move Tgt: '.s:netrwmftgt.' (remote)')
      endif
      let w:netrw_bannercnt= w:netrw_bannercnt + 1
    else
      "    call Decho("s:netrwmftgt does not exist, don't make Copy/Move Tgt",'~'.expand("<slnum>"))
    endif
    exe "sil! NetrwKeepj ".w:netrw_bannercnt
  endif

  " Hiding...  -or-  Showing... {{{3
  if g:netrw_banner
    "   call Decho("--handle hiding/showing in banner (g:netrw_hide=".g:netrw_hide." g:netrw_list_hide<".g:netrw_list_hide.">)",'~'.expand("<slnum>"))
    if g:netrw_list_hide != "" && g:netrw_hide
      if g:netrw_hide == 1
        NetrwKeepj put ='\"   Hiding:        '.g:netrw_list_hide
      else
        NetrwKeepj put ='\"   Showing:       '.g:netrw_list_hide
      endif
      let w:netrw_bannercnt= w:netrw_bannercnt + 1
    endif
    exe "NetrwKeepj ".w:netrw_bannercnt

    "   call Decho("ro=".&l:ro." ma=".&l:ma." mod=".&l:mod." wrap=".&l:wrap." (filename<".expand("%")."> win#".winnr()." ft<".&ft.">)",'~'.expand("<slnum>"))
    let quickhelp   = g:netrw_quickhelp%len(s:QuickHelp)
    "   call Decho("quickhelp   =".quickhelp,'~'.expand("<slnum>"))
    NetrwKeepj put ='\"   Quick Help: <F1>:help  '.s:QuickHelp[quickhelp]
    "   call Decho("ro=".&l:ro." ma=".&l:ma." mod=".&l:mod." wrap=".&l:wrap." (filename<".expand("%")."> win#".winnr()." ft<".&ft.">)",'~'.expand("<slnum>"))
    NetrwKeepj put ='\" =============================================================================='
    let w:netrw_bannercnt= w:netrw_bannercnt + 2
    "  else " Decho
    "   call Decho("g:netrw_banner=".g:netrw_banner.": banner ".(g:netrw_banner? "enabled" : "suppressed").": (line($)=".line("$")." byte2line(1)=".byte2line(1)." bannercnt=".w:netrw_bannercnt.")",'~'.expand("<slnum>"))
  endif

  " bannercnt should index the line just after the banner
  if g:netrw_banner
    let w:netrw_bannercnt= w:netrw_bannercnt + 1
    exe "sil! NetrwKeepj ".w:netrw_bannercnt
    "   call Decho("--w:netrw_bannercnt=".w:netrw_bannercnt." (should index line just after banner) line($)=".line("$"),'~'.expand("<slnum>"))
    "  else " Decho
    "   call Decho("g:netrw_banner=".g:netrw_banner.": banner ".(g:netrw_banner? "enabled" : "suppressed").": (line($)=".line("$")." byte2line(1)=".byte2line(1)." bannercnt=".w:netrw_bannercnt.")",'~'.expand("<slnum>"))
  endif

  " get list of files
  "  call Decho("--Get list of files - islocal=".a:islocal,'~'.expand("<slnum>"))
  if a:islocal
    NetrwKeepj call s:LocalListing()
  else " remote
    NetrwKeepj let badresult= s:NetrwRemoteListing()
    if badresult
      "    call Decho("w:netrw_bannercnt=".(exists("w:netrw_bannercnt")? w:netrw_bannercnt : 'n/a')." win#".winnr()." buf#".bufnr("%")."<".bufname("%").">",'~'.expand("<slnum>"))
      "    call Dret("s:PerformListing : error detected by NetrwRemoteListing")
      return
    endif
  endif

  " manipulate the directory listing (hide, sort) {{{3
  if !exists("w:netrw_bannercnt")
    let w:netrw_bannercnt= 0
  endif
  "  call Decho("--manipulate directory listing (hide, sort)",'~'.expand("<slnum>"))
  "  call Decho("g:netrw_banner=".g:netrw_banner." w:netrw_bannercnt=".w:netrw_bannercnt." (banner complete)",'~'.expand("<slnum>"))
  "  call Decho("g:netrw_banner=".g:netrw_banner.": banner ".(g:netrw_banner? "enabled" : "suppressed").": (line($)=".line("$")." byte2line(1)=".byte2line(1)." bannercnt=".w:netrw_bannercnt.")",'~'.expand("<slnum>"))

  if !g:netrw_banner || line("$") >= w:netrw_bannercnt
    "   call Decho("manipulate directory listing (support hide)",'~'.expand("<slnum>"))
    "   call Decho("g:netrw_hide=".g:netrw_hide." g:netrw_list_hide<".g:netrw_list_hide.">",'~'.expand("<slnum>"))
    if g:netrw_hide && g:netrw_list_hide != ""
      NetrwKeepj call s:NetrwListHide()
    endif
    if !g:netrw_banner || line("$") >= w:netrw_bannercnt
      "    call Decho("manipulate directory listing (sort) : g:netrw_sort_by<".g:netrw_sort_by.">",'~'.expand("<slnum>"))

      if g:netrw_sort_by =~# "^n"
        " sort by name
        "     call Decho("sort by name",'~'.expand("<slnum>"))
        NetrwKeepj call s:NetrwSetSort()

        if !g:netrw_banner || w:netrw_bannercnt < line("$")
          "      call Decho("g:netrw_sort_direction=".g:netrw_sort_direction." (bannercnt=".w:netrw_bannercnt.")",'~'.expand("<slnum>"))
          if g:netrw_sort_direction =~# 'n'
            " name: sort by name of file
            exe 'sil NetrwKeepj '.w:netrw_bannercnt.',$sort'.' '.g:netrw_sort_options
          else
            " reverse direction sorting
            exe 'sil NetrwKeepj '.w:netrw_bannercnt.',$sort!'.' '.g:netrw_sort_options
          endif
        endif

        " remove priority pattern prefix
        "     call Decho("remove priority pattern prefix",'~'.expand("<slnum>"))
        exe 'sil! NetrwKeepj '.w:netrw_bannercnt.',$s/^\d\{3}'.g:netrw_sepchr.'//e'
        NetrwKeepj call histdel("/",-1)

      elseif g:netrw_sort_by =~# "^ext"
        " exten: sort by extension
        "   The histdel(...,-1) calls remove the last search from the search history
        "     call Decho("sort by extension",'~'.expand("<slnum>"))
        exe 'sil NetrwKeepj '.w:netrw_bannercnt.',$g+/+s/^/001'.g:netrw_sepchr.'/'
        NetrwKeepj call histdel("/",-1)
        exe 'sil NetrwKeepj '.w:netrw_bannercnt.',$v+[./]+s/^/002'.g:netrw_sepchr.'/'
        NetrwKeepj call histdel("/",-1)
        exe 'sil NetrwKeepj '.w:netrw_bannercnt.',$v+['.g:netrw_sepchr.'/]+s/^\(.*\.\)\(.\{-\}\)$/\2'.g:netrw_sepchr.'&/e'
        NetrwKeepj call histdel("/",-1)
        if !g:netrw_banner || w:netrw_bannercnt < line("$")
          "      call Decho("g:netrw_sort_direction=".g:netrw_sort_direction." (bannercnt=".w:netrw_bannercnt.")",'~'.expand("<slnum>"))
          if g:netrw_sort_direction =~# 'n'
            " normal direction sorting
            exe 'sil NetrwKeepj '.w:netrw_bannercnt.',$sort'.' '.g:netrw_sort_options
          else
            " reverse direction sorting
            exe 'sil NetrwKeepj '.w:netrw_bannercnt.',$sort!'.' '.g:netrw_sort_options
          endif
        endif
        exe 'sil! NetrwKeepj '.w:netrw_bannercnt.',$s/^.\{-}'.g:netrw_sepchr.'//e'
        NetrwKeepj call histdel("/",-1)

      elseif a:islocal
        if !g:netrw_banner || w:netrw_bannercnt < line("$")
          "      call Decho("g:netrw_sort_direction=".g:netrw_sort_direction,'~'.expand("<slnum>"))
          if g:netrw_sort_direction =~# 'n'
            "       call Decho('exe sil NetrwKeepj '.w:netrw_bannercnt.',$sort','~'.expand("<slnum>"))
            exe 'sil! NetrwKeepj '.w:netrw_bannercnt.',$sort'.' '.g:netrw_sort_options
          else
            "       call Decho('exe sil NetrwKeepj '.w:netrw_bannercnt.',$sort!','~'.expand("<slnum>"))
            exe 'sil! NetrwKeepj '.w:netrw_bannercnt.',$sort!'.' '.g:netrw_sort_options
          endif
          "     call Decho("remove leading digits/ (sorting) information from listing",'~'.expand("<slnum>"))
          exe 'sil! NetrwKeepj '.w:netrw_bannercnt.',$s/^\d\{-}\///e'
          NetrwKeepj call histdel("/",-1)
        endif
      endif

    elseif g:netrw_sort_direction =~# 'r'
      "    call Decho('(s:PerformListing) reverse the sorted listing','~'.expand("<slnum>"))
      if !g:netrw_banner || w:netrw_bannercnt < line('$')
        exe 'sil! NetrwKeepj '.w:netrw_bannercnt.',$g/^/m '.w:netrw_bannercnt
        call histdel("/",-1)
      endif
    endif
  endif
  "  call Decho("g:netrw_banner=".g:netrw_banner.": banner ".(g:netrw_banner? "enabled" : "suppressed").": (line($)=".line("$")." byte2line(1)=".byte2line(1)." bannercnt=".w:netrw_bannercnt.")",'~'.expand("<slnum>"))

  " convert to wide/tree listing {{{3
  "  call Decho("--modify display if wide/tree listing style",'~'.expand("<slnum>"))
  "  call Decho("settings buf#".bufnr("%")."<".bufname("%").">: ".((&l:ma == 0)? "no" : "")."ma ".((&l:mod == 0)? "no" : "")."mod ".((&l:bl == 0)? "no" : "")."bl ".((&l:ro == 0)? "no" : "")."ro fo=".&l:fo. " (internal#1)",'~'.expand("<slnum>"))
  NetrwKeepj call s:NetrwWideListing()
  "  call Decho("settings buf#".bufnr("%")."<".bufname("%").">: ".((&l:ma == 0)? "no" : "")."ma ".((&l:mod == 0)? "no" : "")."mod ".((&l:bl == 0)? "no" : "")."bl ".((&l:ro == 0)? "no" : "")."ro fo=".&l:fo. " (internal#2)",'~'.expand("<slnum>"))
  NetrwKeepj call s:NetrwTreeListing(b:netrw_curdir)
  "  call Decho("settings buf#".bufnr("%")."<".bufname("%").">: ".((&l:ma == 0)? "no" : "")."ma ".((&l:mod == 0)? "no" : "")."mod ".((&l:bl == 0)? "no" : "")."bl ".((&l:ro == 0)? "no" : "")."ro fo=".&l:fo. " (internal#3)",'~'.expand("<slnum>"))

  " resolve symbolic links if local and (thin or tree)
  if a:islocal && (w:netrw_liststyle == s:THINLIST || (exists("w:netrw_liststyle") && w:netrw_liststyle == s:TREELIST))
    "   call Decho("--resolve symbolic links if local and thin|tree",'~'.expand("<slnum>"))
    sil! keepp g/@$/call s:ShowLink()
  endif

  if exists("w:netrw_bannercnt") && (line("$") >= w:netrw_bannercnt || !g:netrw_banner)
    " place cursor on the top-left corner of the file listing
    "   call Decho("--place cursor on top-left corner of file listing",'~'.expand("<slnum>"))
    exe 'sil! '.w:netrw_bannercnt
    sil! NetrwKeepj norm! 0
  "   call Decho("  tab#".tabpagenr()." win#".winnr()." buf#".bufnr("%")."<".bufname("%")."> line#".line(".")." col#".col(".")." winline#".winline()." wincol#".wincol()." line($)=".line("$"),'~'.expand("<slnum>"))
  else
    "   call Decho("--did NOT place cursor on top-left corner",'~'.expand("<slnum>"))
    "   call Decho("  w:netrw_bannercnt=".(exists("w:netrw_bannercnt")? w:netrw_bannercnt : 'n/a'),'~'.expand("<slnum>"))
    "   call Decho("  line($)=".line("$"),'~'.expand("<slnum>"))
    "   call Decho("  g:netrw_banner=".(exists("g:netrw_banner")? g:netrw_banner : 'n/a'),'~'.expand("<slnum>"))
  endif

  " record previous current directory
  let w:netrw_prvdir= b:netrw_curdir
  "  call Decho("--record netrw_prvdir<".w:netrw_prvdir.">",'~'.expand("<slnum>"))

  " save certain window-oriented variables into buffer-oriented variables {{{3
  "  call Decho("--save some window-oriented variables into buffer oriented variables",'~'.expand("<slnum>"))
  "  call Decho("settings buf#".bufnr("%")."<".bufname("%").">: ".((&l:ma == 0)? "no" : "")."ma ".((&l:mod == 0)? "no" : "")."mod ".((&l:bl == 0)? "no" : "")."bl ".((&l:ro == 0)? "no" : "")."ro fo=".&l:fo. " (internal#4)",'~'.expand("<slnum>"))
  NetrwKeepj call s:SetBufWinVars()
  "  call Decho("settings buf#".bufnr("%")."<".bufname("%").">: ".((&l:ma == 0)? "no" : "")."ma ".((&l:mod == 0)? "no" : "")."mod ".((&l:bl == 0)? "no" : "")."bl ".((&l:ro == 0)? "no" : "")."ro fo=".&l:fo. " (internal#5)",'~'.expand("<slnum>"))
  NetrwKeepj call s:NetrwOptionsRestore("w:")
  "  call Decho("settings buf#".bufnr("%")."<".bufname("%").">: ".((&l:ma == 0)? "no" : "")."ma ".((&l:mod == 0)? "no" : "")."mod ".((&l:bl == 0)? "no" : "")."bl ".((&l:ro == 0)? "no" : "")."ro fo=".&l:fo. " (internal#6)",'~'.expand("<slnum>"))

  " set display to netrw display settings
  "  call Decho("--set display to netrw display settings (".g:netrw_bufsettings.")",'~'.expand("<slnum>"))
  exe "setl ".g:netrw_bufsettings
  "  call Decho("settings buf#".bufnr("%")."<".bufname("%").">: ".((&l:ma == 0)? "no" : "")."ma ".((&l:mod == 0)? "no" : "")."mod ".((&l:bl == 0)? "no" : "")."bl ".((&l:ro == 0)? "no" : "")."ro fo=".&l:fo. " (internal#7)",'~'.expand("<slnum>"))
  if g:netrw_liststyle == s:LONGLIST
    "   call Decho("exe setl ts=".(g:netrw_maxfilenamelen+1),'~'.expand("<slnum>"))
    exe "setl ts=".(g:netrw_maxfilenamelen+1)
  endif
  "  call Decho("PerformListing buffer:",'~'.expand("<slnum>"))
  "  call DechoBuf(bufnr("%"))

  if exists("s:treecurpos")
    "   call Decho("s:treecurpos exists; restore posn",'~'.expand("<slnum>"))
    "   call Decho("settings buf#".bufnr("%")."<".bufname("%").">: ".((&l:ma == 0)? "no" : "")."ma ".((&l:mod == 0)? "no" : "")."mod ".((&l:bl == 0)? "no" : "")."bl ".((&l:ro == 0)? "no" : "")."ro fo=".&l:fo. " (internal#8)",'~'.expand("<slnum>"))
    "   call Decho("restoring posn to s:treecurpos<".string(s:treecurpos).">",'~'.expand("<slnum>"))
    NetrwKeepj call winrestview(s:treecurpos)
    unlet s:treecurpos
  endif

  "  call Decho("settings buf#".bufnr("%")."<".bufname("%").">: ".((&l:ma == 0)? "no" : "")."ma ".((&l:mod == 0)? "no" : "")."mod ".((&l:bl == 0)? "no" : "")."bl ".((&l:ro == 0)? "no" : "")."ro fo=".&l:fo. " (return)",'~'.expand("<slnum>"))
  "  call Decho("tab#".tabpagenr()." win#".winnr()." buf#".bufnr("%")."<".bufname("%")."> line#".line(".")." col#".col(".")." winline#".winline()." wincol#".wincol()." line($)=".line("$"),'~'.expand("<slnum>"))
  "  call Dret("s:PerformListing : curpos<".string(getpos(".")).">")
endfun

" ---------------------------------------------------------------------
" s:SetupNetrwStatusLine: {{{2
fun! s:SetupNetrwStatusLine(statline)
  "  call Dfunc("SetupNetrwStatusLine(statline<".a:statline.">)")

  if !exists("s:netrw_setup_statline")
    let s:netrw_setup_statline= 1
    "   call Decho("do first-time status line setup",'~'.expand("<slnum>"))

    if !exists("s:netrw_users_stl")
      let s:netrw_users_stl= &stl
    endif
    if !exists("s:netrw_users_ls")
      let s:netrw_users_ls= &laststatus
    endif

    " set up User9 highlighting as needed
    let dict={}
    let dict.a=[getreg('a'), getregtype('a')]
    redir @a
    try
      hi User9
    catch /^Vim\%((\a\{3,})\)\=:E411/
      if &bg == "dark"
        hi User9 ctermfg=yellow ctermbg=blue guifg=yellow guibg=blue
      else
        hi User9 ctermbg=yellow ctermfg=blue guibg=yellow guifg=blue
      endif
    endtry
    redir END
    call s:RestoreRegister(dict)
  endif

  " set up status line (may use User9 highlighting)
  " insure that windows have a statusline
  " make sure statusline is displayed
  let &l:stl=a:statline
  setl laststatus=2
  "  call Decho("stl=".&stl,'~'.expand("<slnum>"))
  redraw

  "  call Dret("SetupNetrwStatusLine : stl=".&stl)
endfun

" =========================================
"  Remote Directory Browsing Support:  {{{1
" =========================================

" ---------------------------------------------------------------------
" s:NetrwRemoteFtpCmd: unfortunately, not all ftp servers honor options for ls {{{2
"  This function assumes that a long listing will be received.  Size, time,
"  and reverse sorts will be requested of the server but not otherwise
"  enforced here.
fun! s:NetrwRemoteFtpCmd(path,listcmd)
  "  call Dfunc("NetrwRemoteFtpCmd(path<".a:path."> listcmd<".a:listcmd.">) w:netrw_method=".(exists("w:netrw_method")? w:netrw_method : (exists("b:netrw_method")? b:netrw_method : "???")))
  "  call Decho("line($)=".line("$")." win#".winnr()." w:netrw_bannercnt=".w:netrw_bannercnt,'~'.expand("<slnum>"))
  " sanity check: {{{3
  if !exists("w:netrw_method")
    if exists("b:netrw_method")
      let w:netrw_method= b:netrw_method
    else
      call netrw#ErrorMsg(2,"(s:NetrwRemoteFtpCmd) internal netrw error",93)
      "    call Dret("NetrwRemoteFtpCmd")
      return
    endif
  endif

  " WinXX ftp uses unix style input, so set ff to unix  " {{{3
  let ffkeep= &ff
  setl ma ff=unix noro
  "  call Decho("setl ma ff=unix noro",'~'.expand("<slnum>"))

  " clear off any older non-banner lines        " {{{3
  " note that w:netrw_bannercnt indexes the line after the banner
  "  call Decho('exe sil! NetrwKeepj '.w:netrw_bannercnt.",$d _  (clear off old non-banner lines)",'~'.expand("<slnum>"))
  exe "sil! NetrwKeepj ".w:netrw_bannercnt.",$d _"

  ".........................................
  if w:netrw_method == 2 || w:netrw_method == 5 " {{{3
    " ftp + <.netrc>:  Method #2
    if a:path != ""
      NetrwKeepj put ='cd \"'.a:path.'\"'
    endif
    if exists("g:netrw_ftpextracmd")
      NetrwKeepj put =g:netrw_ftpextracmd
      "    call Decho("filter input: ".getline('.'),'~'.expand("<slnum>"))
    endif
    NetrwKeepj call setline(line("$")+1,a:listcmd)
    "   exe "NetrwKeepj ".w:netrw_bannercnt.',$g/^./call Decho("ftp#".line(".").": ".getline("."),''~''.expand("<slnum>"))'
    if exists("g:netrw_port") && g:netrw_port != ""
      "    call Decho("exe ".s:netrw_silentxfer.w:netrw_bannercnt.",$!".s:netrw_ftp_cmd." -i ".s:ShellEscape(g:netrw_machine,1)." ".s:ShellEscape(g:netrw_port,1),'~'.expand("<slnum>"))
      exe s:netrw_silentxfer." NetrwKeepj ".w:netrw_bannercnt.",$!".s:netrw_ftp_cmd." -i ".s:ShellEscape(g:netrw_machine,1)." ".s:ShellEscape(g:netrw_port,1)
    else
      "    call Decho("exe ".s:netrw_silentxfer.w:netrw_bannercnt.",$!".s:netrw_ftp_cmd." -i ".s:ShellEscape(g:netrw_machine,1),'~'.expand("<slnum>"))
      exe s:netrw_silentxfer." NetrwKeepj ".w:netrw_bannercnt.",$!".s:netrw_ftp_cmd." -i ".s:ShellEscape(g:netrw_machine,1)
    endif

    ".........................................
  elseif w:netrw_method == 3    " {{{3
    " ftp + machine,id,passwd,filename:  Method #3
    setl ff=unix
    if exists("g:netrw_port") && g:netrw_port != ""
      NetrwKeepj put ='open '.g:netrw_machine.' '.g:netrw_port
    else
      NetrwKeepj put ='open '.g:netrw_machine
    endif

    " handle userid and password
    let host= substitute(g:netrw_machine,'\..*$','','')
    "    call Decho("host<".host.">",'~'.expand("<slnum>"))
    if exists("s:netrw_hup") && exists("s:netrw_hup[host]")
      call NetUserPass("ftp:".host)
    endif
    if exists("g:netrw_uid") && g:netrw_uid != ""
      if exists("g:netrw_ftp") && g:netrw_ftp == 1
        NetrwKeepj put =g:netrw_uid
        if exists("s:netrw_passwd") && s:netrw_passwd != ""
          NetrwKeepj put ='\"'.s:netrw_passwd.'\"'
        endif
      elseif exists("s:netrw_passwd")
        NetrwKeepj put ='user \"'.g:netrw_uid.'\" \"'.s:netrw_passwd.'\"'
      endif
    endif

    if a:path != ""
      NetrwKeepj put ='cd \"'.a:path.'\"'
    endif
    if exists("g:netrw_ftpextracmd")
      NetrwKeepj put =g:netrw_ftpextracmd
      "    call Decho("filter input: ".getline('.'),'~'.expand("<slnum>"))
    endif
    NetrwKeepj call setline(line("$")+1,a:listcmd)

    " perform ftp:
    " -i       : turns off interactive prompting from ftp
    " -n  unix : DON'T use <.netrc>, even though it exists
    " -n  win32: quit being obnoxious about password
    if exists("w:netrw_bannercnt")
      "    exe w:netrw_bannercnt.',$g/^./call Decho("ftp#".line(".").": ".getline("."),''~''.expand("<slnum>"))'
      call s:NetrwExe(s:netrw_silentxfer.w:netrw_bannercnt.",$!".s:netrw_ftp_cmd." ".g:netrw_ftp_options)
      "   else " Decho
      "    call Decho("WARNING: w:netrw_bannercnt doesn't exist!",'~'.expand("<slnum>"))
      "    g/^./call Decho("SKIPPING ftp#".line(".").": ".getline("."),'~'.expand("<slnum>"))
    endif

    ".........................................
  elseif w:netrw_method == 9    " {{{3
    " sftp username@machine: Method #9
    " s:netrw_sftp_cmd
    setl ff=unix

    " restore settings
    let &l:ff= ffkeep
    "   call Dret("NetrwRemoteFtpCmd")
    return

    ".........................................
  else  " {{{3
    NetrwKeepj call netrw#ErrorMsg(s:WARNING,"unable to comply with your request<" . bufname("%") . ">",23)
  endif

  " cleanup for Windows " {{{3
  if has("win32")
    sil! NetrwKeepj %s/\r$//e
    NetrwKeepj call histdel("/",-1)
  endif
  if a:listcmd == "dir"
    " infer directory/link based on the file permission string
    sil! NetrwKeepj g/d\%([-r][-w][-x]\)\{3}/NetrwKeepj s@$@/@e
    sil! NetrwKeepj g/l\%([-r][-w][-x]\)\{3}/NetrwKeepj s/$/@/e
    NetrwKeepj call histdel("/",-1)
    NetrwKeepj call histdel("/",-1)
    if w:netrw_liststyle == s:THINLIST || w:netrw_liststyle == s:WIDELIST || (exists("w:netrw_liststyle") && w:netrw_liststyle == s:TREELIST)
      exe "sil! NetrwKeepj ".w:netrw_bannercnt.',$s/^\%(\S\+\s\+\)\{8}//e'
      NetrwKeepj call histdel("/",-1)
    endif
  endif

  " ftp's listing doesn't seem to include ./ or ../ " {{{3
  if !search('^\.\/$\|\s\.\/$','wn')
    exe 'NetrwKeepj '.w:netrw_bannercnt
    NetrwKeepj put ='./'
  endif
  if !search('^\.\.\/$\|\s\.\.\/$','wn')
    exe 'NetrwKeepj '.w:netrw_bannercnt
    NetrwKeepj put ='../'
  endif

  " restore settings " {{{3
  let &l:ff= ffkeep
  "  call Dret("NetrwRemoteFtpCmd")
endfun

" ---------------------------------------------------------------------
" s:NetrwRemoteListing: {{{2
fun! s:NetrwRemoteListing()
  "  call Dfunc("s:NetrwRemoteListing() b:netrw_curdir<".b:netrw_curdir.">) win#".winnr())

  if !exists("w:netrw_bannercnt") && exists("s:bannercnt")
    let w:netrw_bannercnt= s:bannercnt
  endif
  if !exists("w:netrw_bannercnt") && exists("b:bannercnt")
    let w:netrw_bannercnt= b:bannercnt
  endif

  call s:RemotePathAnalysis(b:netrw_curdir)

  " sanity check:
  if exists("b:netrw_method") && b:netrw_method =~ '[235]'
    "   call Decho("b:netrw_method=".b:netrw_method,'~'.expand("<slnum>"))
    if !executable("ftp")
      "    call Decho("ftp is not executable",'~'.expand("<slnum>"))
      if !exists("g:netrw_quiet")
        call netrw#ErrorMsg(s:ERROR,"this system doesn't support remote directory listing via ftp",18)
      endif
      call s:NetrwOptionsRestore("w:")
      "    call Dret("s:NetrwRemoteListing -1")
      return -1
    endif

  elseif !exists("g:netrw_list_cmd") || g:netrw_list_cmd == ''
    "   call Decho("g:netrw_list_cmd<",(exists("g:netrw_list_cmd")? 'n/a' : "-empty-").">",'~'.expand("<slnum>"))
    if !exists("g:netrw_quiet")
      if g:netrw_list_cmd == ""
        NetrwKeepj call netrw#ErrorMsg(s:ERROR,"your g:netrw_list_cmd is empty; perhaps ".g:netrw_ssh_cmd." is not executable on your system",47)
      else
        NetrwKeepj call netrw#ErrorMsg(s:ERROR,"this system doesn't support remote directory listing via ".g:netrw_list_cmd,19)
      endif
    endif

    NetrwKeepj call s:NetrwOptionsRestore("w:")
    "   call Dret("s:NetrwRemoteListing -1")
    return -1
  endif  " (remote handling sanity check)
  "  call Decho("passed remote listing sanity checks",'~'.expand("<slnum>"))

  if exists("b:netrw_method")
    "   call Decho("setting w:netrw_method to b:netrw_method<".b:netrw_method.">",'~'.expand("<slnum>"))
    let w:netrw_method= b:netrw_method
  endif

  if s:method == "ftp"
    " use ftp to get remote file listing {{{3
    "   call Decho("use ftp to get remote file listing",'~'.expand("<slnum>"))
    let s:method  = "ftp"
    let listcmd = g:netrw_ftp_list_cmd
    if g:netrw_sort_by =~# '^t'
      let listcmd= g:netrw_ftp_timelist_cmd
    elseif g:netrw_sort_by =~# '^s'
      let listcmd= g:netrw_ftp_sizelist_cmd
    endif
    "   call Decho("listcmd<".listcmd."> (using g:netrw_ftp_list_cmd)",'~'.expand("<slnum>"))
    call s:NetrwRemoteFtpCmd(s:path,listcmd)
    "   exe "sil! keepalt NetrwKeepj ".w:netrw_bannercnt.',$g/^./call Decho("raw listing: ".getline("."),''~''.expand("<slnum>"))'

    " report on missing file or directory messages
    if search('[Nn]o such file or directory\|Failed to change directory')
      let mesg= getline(".")
      if exists("w:netrw_bannercnt")
        setl ma
        exe w:netrw_bannercnt.",$d _"
        setl noma
      endif
      NetrwKeepj call s:NetrwOptionsRestore("w:")
      call netrw#ErrorMsg(s:WARNING,mesg,96)
      "    call Dret("s:NetrwRemoteListing : -1")
      return -1
    endif

    if w:netrw_liststyle == s:THINLIST || w:netrw_liststyle == s:WIDELIST || (exists("w:netrw_liststyle") && w:netrw_liststyle == s:TREELIST)
      " shorten the listing
      "    call Decho("generate short listing",'~'.expand("<slnum>"))
      exe "sil! keepalt NetrwKeepj ".w:netrw_bannercnt

      " cleanup
      if g:netrw_ftp_browse_reject != ""
        exe "sil! keepalt NetrwKeepj g/".g:netrw_ftp_browse_reject."/NetrwKeepj d"
        NetrwKeepj call histdel("/",-1)
      endif
      sil! NetrwKeepj %s/\r$//e
      NetrwKeepj call histdel("/",-1)

      " if there's no ../ listed, then put ../ in
      let line1= line(".")
      exe "sil! NetrwKeepj ".w:netrw_bannercnt
      let line2= search('\.\.\/\%(\s\|$\)','cnW')
      "    call Decho("search(".'\.\.\/\%(\s\|$\)'."','cnW')=".line2."  w:netrw_bannercnt=".w:netrw_bannercnt,'~'.expand("<slnum>"))
      if line2 == 0
        "     call Decho("netrw is putting ../ into listing",'~'.expand("<slnum>"))
        sil! NetrwKeepj put='../'
      endif
      exe "sil! NetrwKeepj ".line1
      sil! NetrwKeepj norm! 0

      "    call Decho("line1=".line1." line2=".line2." line(.)=".line("."),'~'.expand("<slnum>"))
      if search('^\d\{2}-\d\{2}-\d\{2}\s','n') " M$ ftp site cleanup
        "     call Decho("M$ ftp cleanup",'~'.expand("<slnum>"))
        exe 'sil! NetrwKeepj '.w:netrw_bannercnt.',$s/^\d\{2}-\d\{2}-\d\{2}\s\+\d\+:\d\+[AaPp][Mm]\s\+\%(<DIR>\|\d\+\)\s\+//'
        NetrwKeepj call histdel("/",-1)
      else " normal ftp cleanup
        "     call Decho("normal ftp cleanup",'~'.expand("<slnum>"))
        exe 'sil! NetrwKeepj '.w:netrw_bannercnt.',$s/^\(\%(\S\+\s\+\)\{7}\S\+\)\s\+\(\S.*\)$/\2/e'
        exe "sil! NetrwKeepj ".w:netrw_bannercnt.',$g/ -> /s# -> .*/$#/#e'
        exe "sil! NetrwKeepj ".w:netrw_bannercnt.',$g/ -> /s# -> .*$#/#e'
        NetrwKeepj call histdel("/",-1)
        NetrwKeepj call histdel("/",-1)
        NetrwKeepj call histdel("/",-1)
      endif
    endif

  else
    " use ssh to get remote file listing {{{3
    "   call Decho("use ssh to get remote file listing: s:path<".s:path.">",'~'.expand("<slnum>"))
    let listcmd= s:MakeSshCmd(g:netrw_list_cmd)
    "   call Decho("listcmd<".listcmd."> (using g:netrw_list_cmd)",'~'.expand("<slnum>"))
    if g:netrw_scp_cmd =~ '^pscp'
      "    call Decho("1: exe r! ".s:ShellEscape(listcmd.s:path, 1),'~'.expand("<slnum>"))
      exe "NetrwKeepj r! ".listcmd.s:ShellEscape(s:path, 1)
      " remove rubbish and adjust listing format of 'pscp' to 'ssh ls -FLa' like
      sil! NetrwKeepj g/^Listing directory/NetrwKeepj d
      sil! NetrwKeepj g/^d[-rwx][-rwx][-rwx]/NetrwKeepj s+$+/+e
      sil! NetrwKeepj g/^l[-rwx][-rwx][-rwx]/NetrwKeepj s+$+@+e
      NetrwKeepj call histdel("/",-1)
      NetrwKeepj call histdel("/",-1)
      NetrwKeepj call histdel("/",-1)
      if g:netrw_liststyle != s:LONGLIST
        sil! NetrwKeepj g/^[dlsp-][-rwx][-rwx][-rwx]/NetrwKeepj s/^.*\s\(\S\+\)$/\1/e
        NetrwKeepj call histdel("/",-1)
      endif
    else
      if s:path == ""
        "     call Decho("2: exe r! ".listcmd,'~'.expand("<slnum>"))
        exe "NetrwKeepj keepalt r! ".listcmd
      else
        "     call Decho("3: exe r! ".listcmd.' '.s:ShellEscape(fnameescape(s:path),1),'~'.expand("<slnum>"))
        exe "NetrwKeepj keepalt r! ".listcmd.' '.s:ShellEscape(fnameescape(s:path),1)
        "     call Decho("listcmd<".listcmd."> path<".s:path.">",'~'.expand("<slnum>"))
      endif
    endif

    " cleanup
    if g:netrw_ssh_browse_reject != ""
      "    call Decho("cleanup: exe sil! g/".g:netrw_ssh_browse_reject."/NetrwKeepj d",'~'.expand("<slnum>"))
      exe "sil! g/".g:netrw_ssh_browse_reject."/NetrwKeepj d"
      NetrwKeepj call histdel("/",-1)
    endif
  endif

  if w:netrw_liststyle == s:LONGLIST
    " do a long listing; these substitutions need to be done prior to sorting {{{3
    "   call Decho("fix long listing:",'~'.expand("<slnum>"))

    if s:method == "ftp"
      " cleanup
      exe "sil! NetrwKeepj ".w:netrw_bannercnt
      while getline('.') =~# g:netrw_ftp_browse_reject
        sil! NetrwKeepj d
      endwhile
      " if there's no ../ listed, then put ../ in
      let line1= line(".")
      sil! NetrwKeepj 1
      sil! NetrwKeepj call search('^\.\.\/\%(\s\|$\)','W')
      let line2= line(".")
      if line2 == 0
        if b:netrw_curdir != '/'
          exe 'sil! NetrwKeepj '.w:netrw_bannercnt."put='../'"
        endif
      endif
      exe "sil! NetrwKeepj ".line1
      sil! NetrwKeepj norm! 0
    endif

    if search('^\d\{2}-\d\{2}-\d\{2}\s','n') " M$ ftp site cleanup
      "    call Decho("M$ ftp site listing cleanup",'~'.expand("<slnum>"))
      exe 'sil! NetrwKeepj '.w:netrw_bannercnt.',$s/^\(\d\{2}-\d\{2}-\d\{2}\s\+\d\+:\d\+[AaPp][Mm]\s\+\%(<DIR>\|\d\+\)\s\+\)\(\w.*\)$/\2\t\1/'
    elseif exists("w:netrw_bannercnt") && w:netrw_bannercnt <= line("$")
      "    call Decho("normal ftp site listing cleanup: bannercnt=".w:netrw_bannercnt." line($)=".line("$"),'~'.expand("<slnum>"))
      exe 'sil NetrwKeepj '.w:netrw_bannercnt.',$s/ -> .*$//e'
      exe 'sil NetrwKeepj '.w:netrw_bannercnt.',$s/^\(\%(\S\+\s\+\)\{7}\S\+\)\s\+\(\S.*\)$/\2 \t\1/e'
      exe 'sil NetrwKeepj '.w:netrw_bannercnt
      NetrwKeepj call histdel("/",-1)
      NetrwKeepj call histdel("/",-1)
      NetrwKeepj call histdel("/",-1)
    endif
  endif

  "  if exists("w:netrw_bannercnt") && w:netrw_bannercnt <= line("$") " Decho
  "   exe "NetrwKeepj ".w:netrw_bannercnt.',$g/^./call Decho("listing: ".getline("."),''~''.expand("<slnum>"))'
  "  endif " Decho

  "  call Dret("s:NetrwRemoteListing 0")
  return 0
endfun

" ---------------------------------------------------------------------
" s:NetrwRemoteRm: remove/delete a remote file or directory {{{2
fun! s:NetrwRemoteRm(usrhost,path) range
  let svpos= winsaveview()

  let all= 0
  if exists("s:netrwmarkfilelist_{bufnr('%')}")
    " remove all marked files
    for fname in s:netrwmarkfilelist_{bufnr("%")}
      let ok= s:NetrwRemoteRmFile(a:path,fname,all)
      if ok =~# 'q\%[uit]'
        break
      elseif ok =~# 'a\%[ll]'
        let all= 1
      endif
    endfor
    call s:NetrwUnmarkList(bufnr("%"),b:netrw_curdir)

  else
    " remove files specified by range

    " preparation for removing multiple files/directories
    let keepsol = &l:sol
    setl nosol
    let ctr    = a:firstline

    " remove multiple files and directories
    while ctr <= a:lastline
      exe "NetrwKeepj ".ctr
      let ok= s:NetrwRemoteRmFile(a:path,s:NetrwGetWord(),all)
      if ok =~# 'q\%[uit]'
        break
      elseif ok =~# 'a\%[ll]'
        let all= 1
      endif
      let ctr= ctr + 1
    endwhile
    let &l:sol = keepsol
  endif

  " refresh the (remote) directory listing
  NetrwKeepj call s:NetrwRefresh(0,s:NetrwBrowseChgDir(0,'./',0))
  NetrwKeepj call winrestview(svpos)
endfun

" ---------------------------------------------------------------------
" s:NetrwRemoteRmFile: {{{2
fun! s:NetrwRemoteRmFile(path,rmfile,all)
  "  call Dfunc("s:NetrwRemoteRmFile(path<".a:path."> rmfile<".a:rmfile.">) all=".a:all)

  let all= a:all
  let ok = ""

  if a:rmfile !~ '^"' && (a:rmfile =~ '@$' || a:rmfile !~ '[\/]$')
    " attempt to remove file
    "    call Decho("attempt to remove file (all=".all.")",'~'.expand("<slnum>"))
    if !all
      echohl Statement
      "    call Decho("case all=0:",'~'.expand("<slnum>"))
      call inputsave()
      let ok= input("Confirm deletion of file<".a:rmfile."> ","[{y(es)},n(o),a(ll),q(uit)] ")
      call inputrestore()
      echohl NONE
      if ok == ""
        let ok="no"
      endif
      let ok= substitute(ok,'\[{y(es)},n(o),a(ll),q(uit)]\s*','','e')
      if ok =~# 'a\%[ll]'
        let all= 1
      endif
    endif

    if all || ok =~# 'y\%[es]' || ok == ""
      "    call Decho("case all=".all." or ok<".ok.">".(exists("w:netrw_method")? ': netrw_method='.w:netrw_method : ""),'~'.expand("<slnum>"))
      if exists("w:netrw_method") && (w:netrw_method == 2 || w:netrw_method == 3)
        "     call Decho("case ftp:",'~'.expand("<slnum>"))
        let path= a:path
        if path =~ '^\a\{3,}://'
          let path= substitute(path,'^\a\{3,}://[^/]\+/','','')
        endif
        sil! NetrwKeepj .,$d _
        call s:NetrwRemoteFtpCmd(path,"delete ".'"'.a:rmfile.'"')
      else
        "     call Decho("case ssh: g:netrw_rm_cmd<".g:netrw_rm_cmd.">",'~'.expand("<slnum>"))
        let netrw_rm_cmd= s:MakeSshCmd(g:netrw_rm_cmd)
        "     call Decho("netrw_rm_cmd<".netrw_rm_cmd.">",'~'.expand("<slnum>"))
        if !exists("b:netrw_curdir")
          NetrwKeepj call netrw#ErrorMsg(s:ERROR,"for some reason b:netrw_curdir doesn't exist!",53)
          let ok="q"
        else
          let remotedir= substitute(b:netrw_curdir,'^.\{-}//[^/]\+/\(.*\)$','\1','')
          "      call Decho("netrw_rm_cmd<".netrw_rm_cmd.">",'~'.expand("<slnum>"))
          "      call Decho("remotedir<".remotedir.">",'~'.expand("<slnum>"))
          "      call Decho("rmfile<".a:rmfile.">",'~'.expand("<slnum>"))
          if remotedir != ""
            let netrw_rm_cmd= netrw_rm_cmd." ".s:ShellEscape(fnameescape(remotedir.a:rmfile))
          else
            let netrw_rm_cmd= netrw_rm_cmd." ".s:ShellEscape(fnameescape(a:rmfile))
          endif
          "      call Decho("call system(".netrw_rm_cmd.")",'~'.expand("<slnum>"))
          let ret= system(netrw_rm_cmd)
          if v:shell_error != 0
            if exists("b:netrw_curdir") && b:netrw_curdir != getcwd() && !g:netrw_keepdir
              call netrw#ErrorMsg(s:ERROR,"remove failed; perhaps due to vim's current directory<".getcwd()."> not matching netrw's (".b:netrw_curdir.") (see :help netrw-cd)",102)
            else
              call netrw#ErrorMsg(s:WARNING,"cmd<".netrw_rm_cmd."> failed",60)
            endif
          elseif ret != 0
            call netrw#ErrorMsg(s:WARNING,"cmd<".netrw_rm_cmd."> failed",60)
          endif
          "      call Decho("returned=".ret." errcode=".v:shell_error,'~'.expand("<slnum>"))
        endif
      endif
    elseif ok =~# 'q\%[uit]'
      "    call Decho("ok==".ok,'~'.expand("<slnum>"))
    endif

  else
    " attempt to remove directory
    "    call Decho("attempt to remove directory",'~'.expand("<slnum>"))
    if !all
      call inputsave()
      let ok= input("Confirm deletion of directory<".a:rmfile."> ","[{y(es)},n(o),a(ll),q(uit)] ")
      call inputrestore()
      if ok == ""
        let ok="no"
      endif
      let ok= substitute(ok,'\[{y(es)},n(o),a(ll),q(uit)]\s*','','e')
      if ok =~# 'a\%[ll]'
        let all= 1
      endif
    endif

    if all || ok =~# 'y\%[es]' || ok == ""
      if exists("w:netrw_method") && (w:netrw_method == 2 || w:netrw_method == 3)
        NetrwKeepj call s:NetrwRemoteFtpCmd(a:path,"rmdir ".a:rmfile)
      else
        let rmfile          = substitute(a:path.a:rmfile,'/$','','')
        let netrw_rmdir_cmd = s:MakeSshCmd(netrw#WinPath(g:netrw_rmdir_cmd)).' '.s:ShellEscape(netrw#WinPath(rmfile))
        "      call Decho("attempt to remove dir: system(".netrw_rmdir_cmd.")",'~'.expand("<slnum>"))
        let ret= system(netrw_rmdir_cmd)
        "      call Decho("returned=".ret." errcode=".v:shell_error,'~'.expand("<slnum>"))

        if v:shell_error != 0
          "      call Decho("v:shell_error not 0",'~'.expand("<slnum>"))
          let netrw_rmf_cmd= s:MakeSshCmd(netrw#WinPath(g:netrw_rmf_cmd)).' '.s:ShellEscape(netrw#WinPath(substitute(rmfile,'[\/]$','','e')))
          "      call Decho("2nd attempt to remove dir: system(".netrw_rmf_cmd.")",'~'.expand("<slnum>"))
          let ret= system(netrw_rmf_cmd)
          "      call Decho("returned=".ret." errcode=".v:shell_error,'~'.expand("<slnum>"))

          if v:shell_error != 0 && !exists("g:netrw_quiet")
            NetrwKeepj call netrw#ErrorMsg(s:ERROR,"unable to remove directory<".rmfile."> -- is it empty?",22)
          endif
        endif
      endif

    elseif ok =~# 'q\%[uit]'
      "    call Decho("ok==".ok,'~'.expand("<slnum>"))
    endif
  endif

  "  call Dret("s:NetrwRemoteRmFile ".ok)
  return ok
endfun

" ---------------------------------------------------------------------
" s:NetrwRemoteRename: rename a remote file or directory {{{2
fun! s:NetrwRemoteRename(usrhost,path) range

  " preparation for removing multiple files/directories
  let svpos      = winsaveview()
  "  call Decho("saving posn to svpos<".string(svpos).">",'~'.expand("<slnum>"))
  let ctr        = a:firstline
  let rename_cmd = s:MakeSshCmd(g:netrw_rename_cmd)

  " rename files given by the markfilelist
  if exists("s:netrwmarkfilelist_{bufnr('%')}")
    for oldname in s:netrwmarkfilelist_{bufnr("%")}
      if exists("subfrom")
        let newname= substitute(oldname,subfrom,subto,'')
      else
        call inputsave()
        let newname= input("Moving ".oldname." to : ",oldname)
        call inputrestore()
        if newname =~ '^s/'
          let subfrom = substitute(newname,'^s/\([^/]*\)/.*/$','\1','')
          let subto   = substitute(newname,'^s/[^/]*/\(.*\)/$','\1','')
          let newname = substitute(oldname,subfrom,subto,'')
        endif
      endif

      if exists("w:netrw_method") && (w:netrw_method == 2 || w:netrw_method == 3)
        NetrwKeepj call s:NetrwRemoteFtpCmd(a:path,"rename ".oldname." ".newname)
      else
        let oldname= s:ShellEscape(a:path.oldname)
        let newname= s:ShellEscape(a:path.newname)
        let ret    = system(netrw#WinPath(rename_cmd).' '.oldname.' '.newname)
      endif

    endfor
    call s:NetrwUnMarkFile(1)

  else

    " attempt to rename files/directories
    let keepsol= &l:sol
    setl nosol
    while ctr <= a:lastline
      exe "NetrwKeepj ".ctr

      let oldname= s:NetrwGetWord()

      call inputsave()
      let newname= input("Moving ".oldname." to : ",oldname)
      call inputrestore()

      if exists("w:netrw_method") && (w:netrw_method == 2 || w:netrw_method == 3)
        call s:NetrwRemoteFtpCmd(a:path,"rename ".oldname." ".newname)
      else
        let oldname= s:ShellEscape(a:path.oldname)
        let newname= s:ShellEscape(a:path.newname)
        let ret    = system(netrw#WinPath(rename_cmd).' '.oldname.' '.newname)
      endif

      let ctr= ctr + 1
    endwhile
    let &l:sol= keepsol
  endif

  " refresh the directory
  NetrwKeepj call s:NetrwRefresh(0,s:NetrwBrowseChgDir(0,'./',0))
  NetrwKeepj call winrestview(svpos)
endfun

" ==========================================
"  Local Directory Browsing Support:    {{{1
" ==========================================

" ---------------------------------------------------------------------
" netrw#FileUrlEdit: handles editing file://* files {{{2
"   Should accept:   file://localhost/etc/fstab
"                    file:///etc/fstab
"                    file:///c:/WINDOWS/clock.avi
"                    file:///c|/WINDOWS/clock.avi
"                    file://localhost/c:/WINDOWS/clock.avi
"                    file://localhost/c|/WINDOWS/clock.avi
"                    file://c:/foo.txt
"                    file:///c:/foo.txt
" and %XX (where X is [0-9a-fA-F] is converted into a character with the given hexadecimal value
fun! netrw#FileUrlEdit(fname)
  "  call Dfunc("netrw#FileUrlEdit(fname<".a:fname.">)")
  let fname = a:fname
  if fname =~ '^file://localhost/'
    "   call Decho('converting file://localhost/   -to-  file:///','~'.expand("<slnum>"))
    let fname= substitute(fname,'^file://localhost/','file:///','')
    "   call Decho("fname<".fname.">",'~'.expand("<slnum>"))
  endif
  if has("win32")
    if fname  =~ '^file:///\=\a[|:]/'
      "    call Decho('converting file:///\a|/   -to-  file://\a:/','~'.expand("<slnum>"))
      let fname = substitute(fname,'^file:///\=\(\a\)[|:]/','file://\1:/','')
      "    call Decho("fname<".fname.">",'~'.expand("<slnum>"))
    endif
  endif
  let fname2396 = netrw#RFC2396(fname)
  let fname2396e= fnameescape(fname2396)
  let plainfname= substitute(fname2396,'file://\(.*\)','\1',"")
  if has("win32")
    "   call Decho("windows exception for plainfname",'~'.expand("<slnum>"))
    if plainfname =~ '^/\+\a:'
      "    call Decho('removing leading "/"s','~'.expand("<slnum>"))
      let plainfname= substitute(plainfname,'^/\+\(\a:\)','\1','')
    endif
  endif

  "  call Decho("fname2396<".fname2396.">",'~'.expand("<slnum>"))
  "  call Decho("plainfname<".plainfname.">",'~'.expand("<slnum>"))
  exe "sil doau BufReadPre ".fname2396e
  exe 'NetrwKeepj keepalt edit '.plainfname
  exe 'sil! NetrwKeepj keepalt bdelete '.fnameescape(a:fname)

  "  call Decho("ro=".&l:ro." ma=".&l:ma." mod=".&l:mod." wrap=".&l:wrap." (filename<".expand("%")."> win#".winnr()." ft<".&ft.">)",'~'.expand("<slnum>"))
  "  call Dret("netrw#FileUrlEdit")
  exe "sil doau BufReadPost ".fname2396e
endfun

" ---------------------------------------------------------------------
" netrw#LocalBrowseCheck: {{{2
fun! netrw#LocalBrowseCheck(dirname)
  " This function is called by netrwPlugin.vim's s:LocalBrowseCheck(), s:NetrwRexplore(),
  " and by <cr> when atop a listed file/directory (via a buffer-local map)
  "
  " unfortunate interaction -- split window debugging can't be used here, must use
  "                            D-echoRemOn or D-echoTabOn as the BufEnter event triggers
  "                            another call to LocalBrowseCheck() when attempts to write
  "                            to the DBG buffer are made.
  "
  " The &ft == "netrw" test was installed because the BufEnter event
  " would hit when re-entering netrw windows, creating unexpected
  " refreshes (and would do so in the middle of NetrwSaveOptions(), too)
  "  call Dfunc("netrw#LocalBrowseCheck(dirname<".a:dirname.">)")
  "  call Decho("isdir<".a:dirname."> =".isdirectory(s:NetrwFile(a:dirname)).((exists("s:treeforceredraw")? " treeforceredraw" : "")).'~'.expand("<slnum>"))
  "  call Decho("settings buf#".bufnr("%")."<".bufname("%").">: ".((&l:ma == 0)? "no" : "")."ma ".((&l:mod == 0)? "no" : "")."mod ".((&l:bl == 0)? "no" : "")."bl ".((&l:ro == 0)? "no" : "")."ro fo=".&l:fo,'~'.expand("<slnum>"))
  " getting E930: Cannot use :redir inside execute
  ""  call Dredir("ls!","netrw#LocalBrowseCheck")
  "  call Decho("tab#".tabpagenr()." win#".winnr()." buf#".bufnr("%")."<".bufname("%")."> line#".line(".")." col#".col(".")." winline#".winline()." wincol#".wincol(),'~'.expand("<slnum>"))
  "  call Decho("current buffer#".bufnr("%")."<".bufname("%")."> ft=".&ft,'~'.expand("<slnum>"))

  let ykeep= @@
  if isdirectory(s:NetrwFile(a:dirname))
    "   call Decho("is-directory ft<".&ft."> b:netrw_curdir<".(exists("b:netrw_curdir")? b:netrw_curdir : " doesn't exist")."> dirname<".a:dirname.">"." line($)=".line("$")." ft<".&ft."> g:netrw_fastbrowse=".g:netrw_fastbrowse,'~'.expand("<slnum>"))

    if &ft != "netrw" || (exists("b:netrw_curdir") && b:netrw_curdir != a:dirname) || g:netrw_fastbrowse <= 1
      "    call Decho("case 1 : ft=".&ft,'~'.expand("<slnum>"))
      "    call Decho("s:rexposn_".bufnr("%")."<".bufname("%")."> ".(exists("s:rexposn_".bufnr("%"))? "exists" : "does not exist"),'~'.expand("<slnum>"))
      sil! NetrwKeepj keepalt call s:NetrwBrowse(1,a:dirname)

    elseif &ft == "netrw" && line("$") == 1
      "    call Decho("case 2 (ft≡netrw && line($)≡1)",'~'.expand("<slnum>"))
      sil! NetrwKeepj keepalt call s:NetrwBrowse(1,a:dirname)

    elseif exists("s:treeforceredraw")
      "    call Decho("case 3 (treeforceredraw)",'~'.expand("<slnum>"))
      unlet s:treeforceredraw
      sil! NetrwKeepj keepalt call s:NetrwBrowse(1,a:dirname)
    endif
    "   call Decho("tab#".tabpagenr()." win#".winnr()." buf#".bufnr("%")."<".bufname("%")."> line#".line(".")." col#".col(".")." winline#".winline()." wincol#".wincol(),'~'.expand("<slnum>"))
    "   call Dret("netrw#LocalBrowseCheck")
    return
  endif

  " The following code wipes out currently unused netrw buffers
  "       IF g:netrw_fastbrowse is zero (ie. slow browsing selected)
  "   AND IF the listing style is not a tree listing
  if exists("g:netrw_fastbrowse") && g:netrw_fastbrowse == 0 && g:netrw_liststyle != s:TREELIST
    "   call Decho("wiping out currently unused netrw buffers",'~'.expand("<slnum>"))
    let ibuf    = 1
    let buflast = bufnr("$")
    while ibuf <= buflast
      if bufwinnr(ibuf) == -1 && isdirectory(s:NetrwFile(bufname(ibuf)))
        exe "sil! keepj keepalt ".ibuf."bw!"
      endif
      let ibuf= ibuf + 1
    endwhile
  endif
  let @@= ykeep
  "  call Decho("settings buf#".bufnr("%")."<".bufname("%").">: ".((&l:ma == 0)? "no" : "")."ma ".((&l:mod == 0)? "no" : "")."mod ".((&l:bl == 0)? "no" : "")."bl ".((&l:ro == 0)? "no" : "")."ro fo=".&l:fo,'~'.expand("<slnum>"))
  "  call Decho("tab#".tabpagenr()." win#".winnr()." buf#".bufnr("%")."<".bufname("%")."> line#".line(".")." col#".col(".")." winline#".winline()." wincol#".wincol(),'~'.expand("<slnum>"))
  " not a directory, ignore it
  "  call Dret("netrw#LocalBrowseCheck : not a directory, ignoring it; dirname<".a:dirname.">")
endfun

" ---------------------------------------------------------------------
" s:LocalBrowseRefresh: this function is called after a user has {{{2
" performed any shell command.  The idea is to cause all local-browsing
" buffers to be refreshed after a user has executed some shell command,
" on the chance that s/he removed/created a file/directory with it.
fun! s:LocalBrowseRefresh()
  " determine which buffers currently reside in a tab
  if !exists("s:netrw_browselist")
    return
  endif
  if !exists("w:netrw_bannercnt")
    return
  endif
  if !empty(getcmdwintype())
    " cannot move away from cmdline window, see :h E11
    return
  endif
  if exists("s:netrw_events") && s:netrw_events == 1
    " s:LocalFastBrowser gets called (indirectly) from a
    let s:netrw_events= 2
    return
  endif
  let itab       = 1
  let buftablist = []
  let ykeep      = @@
  while itab <= tabpagenr("$")
    let buftablist = buftablist + tabpagebuflist()
    let itab       = itab + 1
    sil! tabn
  endwhile
  "  GO through all buffers on netrw_browselist (ie. just local-netrw buffers):
  "   | refresh any netrw window
  "   | wipe out any non-displaying netrw buffer
  let curwinid = win_getid(winnr())
  let ibl    = 0
  for ibuf in s:netrw_browselist
    if bufwinnr(ibuf) == -1 && index(buftablist,ibuf) == -1
      " wipe out any non-displaying netrw buffer
      " (ibuf not shown in a current window AND
      "  ibuf not in any tab)
      exe "sil! keepj bd ".fnameescape(ibuf)
      call remove(s:netrw_browselist,ibl)
      continue
    elseif index(tabpagebuflist(),ibuf) != -1
      " refresh any netrw buffer
      exe bufwinnr(ibuf)."wincmd w"
      if getline(".") =~# 'Quick Help'
        " decrement g:netrw_quickhelp to prevent refresh from changing g:netrw_quickhelp
        " (counteracts s:NetrwBrowseChgDir()'s incrementing)
        let g:netrw_quickhelp= g:netrw_quickhelp - 1
      endif
      if exists("w:netrw_liststyle") && w:netrw_liststyle == s:TREELIST
        NetrwKeepj call s:NetrwRefreshTreeDict(w:netrw_treetop)
      endif
      NetrwKeepj call s:NetrwRefresh(1,s:NetrwBrowseChgDir(1,'./',0))
    endif
    let ibl= ibl + 1
  endfor
  call win_gotoid(curwinid)
  let @@= ykeep
endfun

" ---------------------------------------------------------------------
" s:LocalFastBrowser: handles setting up/taking down fast browsing for the local browser {{{2
"
"     g:netrw_    Directory Is
"     fastbrowse  Local  Remote
"  slow   0         D      D      D=Deleting a buffer implies it will not be re-used (slow)
"  med    1         D      H      H=Hiding a buffer implies it may be re-used        (fast)
"  fast   2         H      H
"
"  Deleting a buffer means that it will be re-loaded when examined, hence "slow".
"  Hiding   a buffer means that it will be re-used   when examined, hence "fast".
"                       (re-using a buffer may not be as accurate)
"
"  s:netrw_events : doesn't exist, s:LocalFastBrowser() will install autocmds with medium-speed or fast browsing
"                   =1: autocmds installed, but ignore next FocusGained event to avoid initial double-refresh of listing.
"                       BufEnter may be first event, then a FocusGained event.  Ignore the first FocusGained event.
"                       If :Explore used: it sets s:netrw_events to 2, so no FocusGained events are ignored.
"                   =2: autocmds installed (doesn't ignore any FocusGained events)
fun! s:LocalFastBrowser()

  " initialize browselist, a list of buffer numbers that the local browser has used
  if !exists("s:netrw_browselist")
    let s:netrw_browselist= []
  endif

  " append current buffer to fastbrowse list
  if empty(s:netrw_browselist) || bufnr("%") > s:netrw_browselist[-1]
    call add(s:netrw_browselist,bufnr("%"))
  endif

  " enable autocmd events to handle refreshing/removing local browser buffers
  "    If local browse buffer is currently showing: refresh it
  "    If local browse buffer is currently hidden : wipe it
  "    g:netrw_fastbrowse=0 : slow   speed, never re-use directory listing
  "                      =1 : medium speed, re-use directory listing for remote only
  "                      =2 : fast   speed, always re-use directory listing when possible
  if g:netrw_fastbrowse <= 1 && !exists("#ShellCmdPost") && !exists("s:netrw_events")
    let s:netrw_events= 1
    augroup AuNetrwEvent
      au!
      if has("win32")
        au ShellCmdPost                    *       call s:LocalBrowseRefresh()
      else
        au ShellCmdPost,FocusGained        *       call s:LocalBrowseRefresh()
      endif
    augroup END

  " user must have changed fastbrowse to its fast setting, so remove
  " the associated autocmd events
  elseif g:netrw_fastbrowse > 1 && exists("#ShellCmdPost") && exists("s:netrw_events")
    unlet s:netrw_events
    augroup AuNetrwEvent
      au!
    augroup END
    augroup! AuNetrwEvent
  endif
endfun

fun! s:NetrwLocalListingList(dirname,setmaxfilenamelen)
  " get the list of files contained in the current directory
  let dirname    = a:dirname
  let dirnamelen = strlen(dirname)
  let filelist   = s:NetrwGlob(dirname,"*",0)
  let filelist   = filelist + s:NetrwGlob(dirname,".*",0)

  if g:netrw_cygwin == 0 && has("win32")
  elseif index(filelist,'..') == -1 && dirname !~ '/'
    " include ../ in the glob() entry if its missing
    let filelist= filelist+[s:ComposePath(dirname,"../")]
  endif

  if a:setmaxfilenamelen && get(g:, 'netrw_dynamic_maxfilenamelen', 0)
    let filelistcopy           = map(deepcopy(filelist),'fnamemodify(v:val, ":t")')
    let g:netrw_maxfilenamelen = max(map(filelistcopy,'len(v:val)')) + 1
  endif

  let resultfilelist = []
  for filename in filelist

    if getftype(filename) == "link"
      " indicate a symbolic link
      let pfile= filename."@"

    elseif getftype(filename) == "socket"
      " indicate a socket
      let pfile= filename."="

    elseif getftype(filename) == "fifo"
      " indicate a fifo
      let pfile= filename."|"

    elseif isdirectory(s:NetrwFile(filename))
      " indicate a directory
      let pfile= filename."/"

    elseif exists("b:netrw_curdir") && b:netrw_curdir !~ '^.*://' && !isdirectory(s:NetrwFile(filename))
      if has("win32")
        if filename =~ '\.[eE][xX][eE]$' || filename =~ '\.[cC][oO][mM]$' || filename =~ '\.[bB][aA][tT]$'
          " indicate an executable
          let pfile= filename."*"
        else
          " normal file
          let pfile= filename
        endif
      elseif executable(filename)
        " indicate an executable
        let pfile= filename."*"
      else
        " normal file
        let pfile= filename
      endif

    else
      " normal file
      let pfile= filename
    endif

    if pfile =~ '//$'
      let pfile= substitute(pfile,'//$','/','e')
    endif
    let pfile= strpart(pfile,dirnamelen)
    let pfile= substitute(pfile,'^[/\\]','','e')

    if w:netrw_liststyle == s:LONGLIST
      let longfile = printf("%-".g:netrw_maxfilenamelen."S",pfile)
      let sz       = getfsize(filename)
      let szlen    = 15 - (strdisplaywidth(longfile) - g:netrw_maxfilenamelen)
      let szlen    = (szlen > 0) ? szlen : 0

      if g:netrw_sizestyle =~# "[hH]"
        let sz= s:NetrwHumanReadable(sz)
      endif
      let fsz  = printf("%".szlen."S",sz)
      let pfile= longfile."  ".fsz." ".strftime(g:netrw_timefmt,getftime(filename))
    endif

    if     g:netrw_sort_by =~# "^t"
      " sort by time (handles time up to 1 quintillion seconds, US)
      " Decorate listing by prepending a timestamp/  .  Sorting will then be done based on time.
      let t  = getftime(filename)
      let ft = printf("%018d",t)
      let ftpfile= ft.'/'.pfile
      let resultfilelist += [ftpfile]

    elseif g:netrw_sort_by =~ "^s"
      " sort by size (handles file sizes up to 1 quintillion bytes, US)
      let sz   = getfsize(filename)
      let fsz  = printf("%018d",sz)
      let fszpfile= fsz.'/'.pfile
      let resultfilelist += [fszpfile]

    else
      " sort by name
      let resultfilelist += [pfile]
    endif
  endfor

  return resultfilelist
endfun

" ---------------------------------------------------------------------
"  s:LocalListing: does the job of "ls" for local directories {{{2
fun! s:LocalListing()

  let filelist = s:NetrwLocalListingList(b:netrw_curdir, 1)
  for filename in filelist
    sil! NetrwKeepj put =filename
  endfor

  " cleanup any windows mess at end-of-line
  sil! NetrwKeepj g/^$/d
  sil! NetrwKeepj %s/\r$//e
  call histdel("/",-1)
  exe "setl ts=".(g:netrw_maxfilenamelen+1)
endfun

" ---------------------------------------------------------------------
" s:NetrwLocalExecute: uses system() to execute command under cursor ("X" command support) {{{2
fun! s:NetrwLocalExecute(cmd)
  "  call Dfunc("s:NetrwLocalExecute(cmd<".a:cmd.">)")
  let ykeep= @@
  " sanity check
  if !executable(a:cmd)
    call netrw#ErrorMsg(s:ERROR,"the file<".a:cmd."> is not executable!",89)
    let @@= ykeep
    "   call Dret("s:NetrwLocalExecute")
    return
  endif

  let optargs= input(":!".a:cmd,"","file")
  "  call Decho("optargs<".optargs.">",'~'.expand("<slnum>"))
  let result= system(a:cmd.optargs)
  "  call Decho("result,'~'.expand("<slnum>"))

  " strip any ansi escape sequences off
  let result = substitute(result,"\e\\[[0-9;]*m","","g")

  " show user the result(s)
  echomsg result
  let @@= ykeep

  "  call Dret("s:NetrwLocalExecute")
endfun

" ---------------------------------------------------------------------
" s:NetrwLocalRename: rename a local file or directory {{{2
fun! s:NetrwLocalRename(path) range

  if !exists("w:netrw_bannercnt")
    let w:netrw_bannercnt= b:netrw_bannercnt
  endif

  " preparation for removing multiple files/directories
  let ykeep     = @@
  let ctr       = a:firstline
  let svpos     = winsaveview()
  let all       = 0

  " rename files given by the markfilelist
  if exists("s:netrwmarkfilelist_{bufnr('%')}")
    for oldname in s:netrwmarkfilelist_{bufnr("%")}
      if exists("subfrom")
        let newname= substitute(oldname,subfrom,subto,'')
      else
        call inputsave()
        let newname= input("Moving ".oldname." to : ",oldname,"file")
        call inputrestore()
        if newname =~ ''
          " two ctrl-x's : ignore all of string preceding the ctrl-x's
          let newname = substitute(newname,'^.*','','')
        elseif newname =~ ''
          " one ctrl-x : ignore portion of string preceding ctrl-x but after last /
          let newname = substitute(newname,'[^/]*','','')
        endif
        if newname =~ '^s/'
          let subfrom = substitute(newname,'^s/\([^/]*\)/.*/$','\1','')
          let subto   = substitute(newname,'^s/[^/]*/\(.*\)/$','\1','')
          let newname = substitute(oldname,subfrom,subto,'')
        endif
      endif
      if !all && filereadable(newname)
        call inputsave()
        let response= input("File<".newname."> already exists; do you want to overwrite it? (y/all/n) ")
        call inputrestore()
        if response == "all"
          let all= 1
        elseif response != "y" && response != "yes"
          " refresh the directory
          NetrwKeepj call s:NetrwRefresh(1,s:NetrwBrowseChgDir(1,'./',0))
          NetrwKeepj call winrestview(svpos)
          let @@= ykeep
          return
        endif
      endif
      call rename(oldname,newname)
    endfor
    call s:NetrwUnmarkList(bufnr("%"),b:netrw_curdir)

  else

    " attempt to rename files/directories
    while ctr <= a:lastline
      exe "NetrwKeepj ".ctr

      " sanity checks
      if line(".") < w:netrw_bannercnt
        let ctr= ctr + 1
        continue
      endif
      let curword= s:NetrwGetWord()
      if curword == "./" || curword == "../"
        let ctr= ctr + 1
        continue
      endif

      NetrwKeepj norm! 0
      let oldname= s:ComposePath(a:path,curword)

      call inputsave()
      let newname= input("Moving ".oldname." to : ",substitute(oldname,'/*$','','e'))
      call inputrestore()

      call rename(oldname,newname)
      let ctr= ctr + 1
    endwhile
  endif

  " refresh the directory
  NetrwKeepj call s:NetrwRefresh(1,s:NetrwBrowseChgDir(1,'./',0))
  NetrwKeepj call winrestview(svpos)
  let @@= ykeep
endfun

" ---------------------------------------------------------------------
" s:NetrwLocalRm: {{{2
fun! s:NetrwLocalRm(path) range
  if !exists("w:netrw_bannercnt")
    let w:netrw_bannercnt= b:netrw_bannercnt
  endif

  " preparation for removing multiple files/directories
  let ykeep = @@
  let ret   = 0
  let all   = 0
  let svpos = winsaveview()

  if exists("s:netrwmarkfilelist_{bufnr('%')}")
    " remove all marked files
    for fname in s:netrwmarkfilelist_{bufnr("%")}
      let ok= s:NetrwLocalRmFile(a:path,fname,all)
      if ok =~# 'q\%[uit]' || ok == "no"
        break
      elseif ok =~# '^a\%[ll]$'
        let all= 1
      endif
    endfor
    call s:NetrwUnMarkFile(1)

  else
    " remove (multiple) files and directories

    let keepsol= &l:sol
    setl nosol
    let ctr = a:firstline
    while ctr <= a:lastline
      exe "NetrwKeepj ".ctr

      " sanity checks
      if line(".") < w:netrw_bannercnt
        let ctr= ctr + 1
        continue
      endif
      let curword= s:NetrwGetWord()
      if curword == "./" || curword == "../"
        let ctr= ctr + 1
        continue
      endif
      let ok= s:NetrwLocalRmFile(a:path,curword,all)
      if ok =~# 'q\%[uit]' || ok == "no"
        break
      elseif ok =~# '^a\%[ll]$'
        let all= 1
      endif
      let ctr= ctr + 1
    endwhile
    let &l:sol= keepsol
  endif

  " refresh the directory
  if bufname("%") != "NetrwMessage"
    NetrwKeepj call s:NetrwRefresh(1,s:NetrwBrowseChgDir(1,'./',0))
    NetrwKeepj call winrestview(svpos)
  endif
  let @@= ykeep
endfun

" ---------------------------------------------------------------------
" s:NetrwLocalRmFile: remove file fname given the path {{{2
"                     Give confirmation prompt unless all==1
fun! s:NetrwLocalRmFile(path,fname,all)
  "  call Dfunc("s:NetrwLocalRmFile(path<".a:path."> fname<".a:fname."> all=".a:all)

  let all= a:all
  let ok = ""
  NetrwKeepj norm! 0
  let rmfile= s:NetrwFile(s:ComposePath(a:path,escape(a:fname, '\\')))
  "  call Decho("rmfile<".rmfile.">",'~'.expand("<slnum>"))

  if rmfile !~ '^"' && (rmfile =~ '@$' || rmfile !~ '[\/]$')
    " attempt to remove file
    "   call Decho("attempt to remove file<".rmfile.">",'~'.expand("<slnum>"))
    if !all
      echohl Statement
      call inputsave()
      let ok= input("Confirm deletion of file <".rmfile."> ","[{y(es)},n(o),a(ll),q(uit)] ")
      call inputrestore()
      echohl NONE
      if ok == ""
        let ok="no"
      endif
      "    call Decho("response: ok<".ok.">",'~'.expand("<slnum>"))
      let ok= substitute(ok,'\[{y(es)},n(o),a(ll),q(uit)]\s*','','e')
      "    call Decho("response: ok<".ok."> (after sub)",'~'.expand("<slnum>"))
      if ok =~# '^a\%[ll]$'
        let all= 1
      endif
    endif

    if all || ok =~# '^y\%[es]$' || ok == ""
      let ret= s:NetrwDelete(rmfile)
      "    call Decho("errcode=".v:shell_error." ret=".ret,'~'.expand("<slnum>"))
    endif

  else
    " attempt to remove directory
    if !all
      echohl Statement
      call inputsave()
      let ok= input("Confirm *recursive* deletion of directory <".rmfile."> ","[{y(es)},n(o),a(ll),q(uit)] ")
      call inputrestore()
      let ok= substitute(ok,'\[{y(es)},n(o),a(ll),q(uit)]\s*','','e')
      if ok == ""
        let ok="no"
      endif
      if ok =~# '^a\%[ll]$'
        let all= 1
      endif
    endif
    let rmfile= substitute(rmfile,'[\/]$','','e')

    if all || ok =~# '^y\%[es]$' || ok == ""
      if delete(rmfile,"rf")
        call netrw#ErrorMsg(s:ERROR,"unable to delete directory <".rmfile.">!",103)
      endif
    endif
  endif

  "  call Dret("s:NetrwLocalRmFile ".ok)
  return ok
endfun

" =====================================================================
" Support Functions: {{{1

" ---------------------------------------------------------------------
" netrw#Access: intended to provide access to variable values for netrw's test suite {{{2
"   0: marked file list of current buffer
"   1: marked file target
fun! netrw#Access(ilist)
  if     a:ilist == 0
    if exists("s:netrwmarkfilelist_".bufnr('%'))
      return s:netrwmarkfilelist_{bufnr('%')}
    else
      return "no-list-buf#".bufnr('%')
    endif
  elseif a:ilist == 1
    return s:netrwmftgt
  endif
endfun

" ---------------------------------------------------------------------
" netrw#Call: allows user-specified mappings to call internal netrw functions {{{2
fun! netrw#Call(funcname,...)
  return call("s:".a:funcname,a:000)
endfun

" ---------------------------------------------------------------------
" netrw#Expose: allows UserMaps and pchk to look at otherwise script-local variables {{{2
"               I expect this function to be used in
"                 :PChkAssert netrw#Expose("netrwmarkfilelist")
"               for example.
fun! netrw#Expose(varname)
  "   call Dfunc("netrw#Expose(varname<".a:varname.">)")
  if exists("s:".a:varname)
    exe "let retval= s:".a:varname
    "   call Decho("retval=".retval,'~'.expand("<slnum>"))
    if exists("g:netrw_pchk")
      "    call Decho("type(g:netrw_pchk=".g:netrw_pchk.")=".type(retval),'~'.expand("<slnum>"))
      if type(retval) == 3
        let retval = copy(retval)
        let i      = 0
        while i < len(retval)
          let retval[i]= substitute(retval[i],expand("$HOME"),'~','')
          let i        = i + 1
        endwhile
      endif
      "     call Dret("netrw#Expose ".string(retval)),'~'.expand("<slnum>"))
      return string(retval)
    else
      "    call Decho("g:netrw_pchk doesn't exist",'~'.expand("<slnum>"))
    endif
  else
    "   call Decho("s:".a:varname." doesn't exist",'~'.expand("<slnum>"))
    let retval= "n/a"
  endif

  "  call Dret("netrw#Expose ".string(retval))
  return retval
endfun

" ---------------------------------------------------------------------
" netrw#Modify: allows UserMaps to set (modify) script-local variables {{{2
fun! netrw#Modify(varname,newvalue)
  "  call Dfunc("netrw#Modify(varname<".a:varname.">,newvalue<".string(a:newvalue).">)")
  exe "let s:".a:varname."= ".string(a:newvalue)
  "  call Dret("netrw#Modify")
endfun

" ---------------------------------------------------------------------
"  netrw#RFC2396: converts %xx into characters {{{2
fun! netrw#RFC2396(fname)
  "  call Dfunc("netrw#RFC2396(fname<".a:fname.">)")
  let fname = escape(substitute(a:fname,'%\(\x\x\)','\=printf("%c","0x".submatch(1))','ge')," \t")
  "  call Dret("netrw#RFC2396 ".fname)
  return fname
endfun

" ---------------------------------------------------------------------
" netrw#UserMaps: supports user-specified maps {{{2
"                 see :help function()
"
"                 g:Netrw_UserMaps is a List with members such as:
"                       [[keymap sequence, function reference],...]
"
"                 The referenced function may return a string,
"                       refresh : refresh the display
"                       -other- : this string will be executed
"                 or it may return a List of strings.
"
"                 Each keymap-sequence will be set up with a nnoremap
"                 to invoke netrw#UserMaps(a:islocal).
"                 Related functions:
"                   netrw#Expose(varname)          -- see s:varname variables
"                   netrw#Modify(varname,newvalue) -- modify value of s:varname variable
"                   netrw#Call(funcname,...)       -- call internal netrw function with optional arguments
fun! netrw#UserMaps(islocal)
  "  call Dfunc("netrw#UserMaps(islocal=".a:islocal.")")
  "  call Decho("g:Netrw_UserMaps ".(exists("g:Netrw_UserMaps")? "exists" : "does NOT exist"),'~'.expand("<slnum>"))

  " set up usermaplist
  if exists("g:Netrw_UserMaps") && type(g:Netrw_UserMaps) == 3
    "    call Decho("g:Netrw_UserMaps has type 3<List>",'~'.expand("<slnum>"))
    for umap in g:Netrw_UserMaps
      "     call Decho("type(umap[0]<".string(umap[0]).">)=".type(umap[0])." (should be 1=string)",'~'.expand("<slnum>"))
      "     call Decho("type(umap[1])=".type(umap[1])." (should be 1=string)",'~'.expand("<slnum>"))
      " if umap[0] is a string and umap[1] is a string holding a function name
      if type(umap[0]) == 1 && type(umap[1]) == 1
        "      call Decho("nno <buffer> <silent> ".umap[0]." :call s:UserMaps(".a:islocal.",".string(umap[1]).")<cr>",'~'.expand("<slnum>"))
        exe "nno <buffer> <silent> ".umap[0]." :call <SID>UserMaps(".a:islocal.",'".umap[1]."')<cr>"
      else
        call netrw#ErrorMsg(s:WARNING,"ignoring usermap <".string(umap[0])."> -- not a [string,funcref] entry",99)
      endif
    endfor
  endif
  "  call Dret("netrw#UserMaps")
endfun

" ---------------------------------------------------------------------
" netrw#WinPath: tries to insure that the path is windows-acceptable, whether cygwin is used or not {{{2
fun! netrw#WinPath(path)
  "  call Dfunc("netrw#WinPath(path<".a:path.">)")
  if (!g:netrw_cygwin || &shell !~ '\%(\<bash\>\|\<zsh\>\)\%(\.exe\)\=$') && has("win32")
    " remove cygdrive prefix, if present
    let path = substitute(a:path,g:netrw_cygdrive.'/\(.\)','\1:','')
    " remove trailing slash (Win95)
    let path = substitute(path, '\(\\\|/\)$', '', 'g')
    " remove escaped spaces
    let path = substitute(path, '\ ', ' ', 'g')
    " convert slashes to backslashes
    let path = substitute(path, '/', '\', 'g')
  else
    let path= a:path
  endif
  "  call Dret("netrw#WinPath <".path.">")
  return path
endfun

" ---------------------------------------------------------------------
" s:StripTrailingSlash: removes trailing slashes from a path {{{2
fun! s:StripTrailingSlash(path)
  " remove trailing slash
  return substitute(a:path, '[/\\]$', '', 'g')
endfun

" ---------------------------------------------------------------------
" s:NetrwBadd: adds marked files to buffer list or vice versa {{{2
"              cb : bl2mf=0  add marked files to buffer list
"              cB : bl2mf=1  use bufferlist to mark files
"              (mnemonic: cb = copy (marked files) to buffer list)
fun! s:NetrwBadd(islocal,bl2mf)
  "  "  call Dfunc("s:NetrwBadd(islocal=".a:islocal." mf2bl=".mf2bl.")")
  if a:bl2mf
    " cB: add buffer list to marked files
    redir => bufl
    ls
    redir END
    let bufl = map(split(bufl,"\n"),'substitute(v:val,''^.\{-}"\(.*\)".\{-}$'',''\1'','''')')
    for fname in bufl
      call s:NetrwMarkFile(a:islocal,fname)
    endfor
  else
    " cb: add marked files to buffer list
    for fname in s:netrwmarkfilelist_{bufnr("%")}
      " "   call Decho("badd ".fname,'~'.expand("<slnum>"))
      exe "badd ".fnameescape(fname)
    endfor
    let curbufnr = bufnr("%")
    let curdir   = s:NetrwGetCurdir(a:islocal)
    call s:NetrwUnmarkList(curbufnr,curdir)                   " remove markings from local buffer
  endif
  "  call Dret("s:NetrwBadd")
endfun

" ---------------------------------------------------------------------
"  s:ComposePath: Appends a new part to a path taking different systems into consideration {{{2
fun! s:ComposePath(base,subdir)
  "  call Dfunc("s:ComposePath(base<".a:base."> subdir<".a:subdir.">)")

  if has("amiga")
    "   call Decho("amiga",'~'.expand("<slnum>"))
    let ec = a:base[s:Strlen(a:base)-1]
    if ec != '/' && ec != ':'
      let ret = a:base."/" . a:subdir
    else
      let ret = a:base.a:subdir
    endif

  " COMBAK: test on windows with changing to root directory: :e C:/
  elseif a:subdir =~ '^\a:[/\\]\([^/\\]\|$\)' && has("win32")
    "   call Decho("windows",'~'.expand("<slnum>"))
    let ret= a:subdir

  elseif a:base =~ '^\a:[/\\]\([^/\\]\|$\)' && has("win32")
    "   call Decho("windows",'~'.expand("<slnum>"))
    if a:base =~ '[/\\]$'
      let ret= a:base.a:subdir
    else
      let ret= a:base.'/'.a:subdir
    endif

  elseif a:base =~ '^\a\{3,}://'
    "   call Decho("remote linux/macos",'~'.expand("<slnum>"))
    let urlbase = substitute(a:base,'^\(\a\+://.\{-}/\)\(.*\)$','\1','')
    let curpath = substitute(a:base,'^\(\a\+://.\{-}/\)\(.*\)$','\2','')
    if a:subdir == '../'
      if curpath =~ '[^/]/[^/]\+/$'
        let curpath= substitute(curpath,'[^/]\+/$','','')
      else
        let curpath=""
      endif
      let ret= urlbase.curpath
    else
      let ret= urlbase.curpath.a:subdir
    endif
  "   call Decho("urlbase<".urlbase.">",'~'.expand("<slnum>"))
  "   call Decho("curpath<".curpath.">",'~'.expand("<slnum>"))
  "   call Decho("ret<".ret.">",'~'.expand("<slnum>"))

  else
    "   call Decho("local linux/macos",'~'.expand("<slnum>"))
    let ret = substitute(a:base."/".a:subdir,"//","/","g")
    if a:base =~ '^//'
      " keeping initial '//' for the benefit of network share listing support
      let ret= '/'.ret
    endif
    let ret= simplify(ret)
  endif

  "  call Dret("s:ComposePath ".ret)
  return ret
endfun

" ---------------------------------------------------------------------
" s:DeleteBookmark: deletes a file/directory from Netrw's bookmark system {{{2
"   Related Functions: s:MakeBookmark() s:NetrwBookHistHandler() s:NetrwBookmark()
fun! s:DeleteBookmark(fname)
  "  call Dfunc("s:DeleteBookmark(fname<".a:fname.">)")
  call s:MergeBookmarks()

  if exists("g:netrw_bookmarklist")
    let indx= index(g:netrw_bookmarklist,a:fname)
    if indx == -1
      let indx= 0
      while indx < len(g:netrw_bookmarklist)
        if g:netrw_bookmarklist[indx] =~ a:fname
          call remove(g:netrw_bookmarklist,indx)
          let indx= indx - 1
        endif
        let indx= indx + 1
      endwhile
    else
      " remove exact match
      call remove(g:netrw_bookmarklist,indx)
    endif
  endif

  "  call Dret("s:DeleteBookmark")
endfun

" ---------------------------------------------------------------------
" s:FileReadable: o/s independent filereadable {{{2
fun! s:FileReadable(fname)
  "  call Dfunc("s:FileReadable(fname<".a:fname.">)")

  if g:netrw_cygwin
    let ret= filereadable(s:NetrwFile(substitute(a:fname,g:netrw_cygdrive.'/\(.\)','\1:/','')))
  else
    let ret= filereadable(s:NetrwFile(a:fname))
  endif

  "  call Dret("s:FileReadable ".ret)
  return ret
endfun

" ---------------------------------------------------------------------
"  s:GetTempfile: gets a tempname that'll work for various o/s's {{{2
"                 Places correct suffix on end of temporary filename,
"                 using the suffix provided with fname
fun! s:GetTempfile(fname)
  "  call Dfunc("s:GetTempfile(fname<".a:fname.">)")

  if !exists("b:netrw_tmpfile")
    " get a brand new temporary filename
    let tmpfile= tempname()
    "   call Decho("tmpfile<".tmpfile."> : from tempname()",'~'.expand("<slnum>"))

    let tmpfile= substitute(tmpfile,'\','/','ge')
    "   call Decho("tmpfile<".tmpfile."> : chgd any \\ -> /",'~'.expand("<slnum>"))

    " sanity check -- does the temporary file's directory exist?
    if !isdirectory(s:NetrwFile(substitute(tmpfile,'[^/]\+$','','e')))
      "    call Decho("ro=".&l:ro." ma=".&l:ma." mod=".&l:mod." wrap=".&l:wrap." (filename<".expand("%")."> win#".winnr()." ft<".&ft.">)",'~'.expand("<slnum>"))
      NetrwKeepj call netrw#ErrorMsg(s:ERROR,"your <".substitute(tmpfile,'[^/]\+$','','e')."> directory is missing!",2)
      "    call Dret("s:GetTempfile getcwd<".getcwd().">")
      return ""
    endif

    " let netrw#NetSource() know about the tmpfile
    let s:netrw_tmpfile= tmpfile " used by netrw#NetSource() and netrw#BrowseX()
    "   call Decho("tmpfile<".tmpfile."> s:netrw_tmpfile<".s:netrw_tmpfile.">",'~'.expand("<slnum>"))

    " o/s dependencies
    if g:netrw_cygwin != 0
      let tmpfile = substitute(tmpfile,'^\(\a\):',g:netrw_cygdrive.'/\1','e')
    elseif has("win32")
      if !exists("+shellslash") || !&ssl
        let tmpfile = substitute(tmpfile,'/','\','g')
      endif
    else
      let tmpfile = tmpfile
    endif
    let b:netrw_tmpfile= tmpfile
  "   call Decho("o/s dependent fixed tempname<".tmpfile.">",'~'.expand("<slnum>"))
  else
    " re-use temporary filename
    let tmpfile= b:netrw_tmpfile
    "   call Decho("tmpfile<".tmpfile."> re-using",'~'.expand("<slnum>"))
  endif

  " use fname's suffix for the temporary file
  if a:fname != ""
    if a:fname =~ '\.[^./]\+$'
      "    call Decho("using fname<".a:fname.">'s suffix",'~'.expand("<slnum>"))
      if a:fname =~ '\.tar\.gz$' || a:fname =~ '\.tar\.bz2$' || a:fname =~ '\.tar\.xz$'
        let suffix = ".tar".substitute(a:fname,'^.*\(\.[^./]\+\)$','\1','e')
      elseif a:fname =~ '.txz$'
        let suffix = ".txz".substitute(a:fname,'^.*\(\.[^./]\+\)$','\1','e')
      else
        let suffix = substitute(a:fname,'^.*\(\.[^./]\+\)$','\1','e')
      endif
      "    call Decho("suffix<".suffix.">",'~'.expand("<slnum>"))
      let tmpfile= substitute(tmpfile,'\.tmp$','','e')
      "    call Decho("chgd tmpfile<".tmpfile."> (removed any .tmp suffix)",'~'.expand("<slnum>"))
      let tmpfile .= suffix
      "    call Decho("chgd tmpfile<".tmpfile."> (added ".suffix." suffix) netrw_fname<".b:netrw_fname.">",'~'.expand("<slnum>"))
      let s:netrw_tmpfile= tmpfile " supports netrw#NetSource()
    endif
  endif

  "  call Decho("ro=".&l:ro." ma=".&l:ma." mod=".&l:mod." wrap=".&l:wrap." (filename<".expand("%")."> win#".winnr()." ft<".&ft.">)",'~'.expand("<slnum>"))
  "  call Dret("s:GetTempfile <".tmpfile.">")
  return tmpfile
endfun

" ---------------------------------------------------------------------
" s:MakeSshCmd: transforms input command using USEPORT HOSTNAME into {{{2
"               a correct command for use with a system() call
fun! s:MakeSshCmd(sshcmd)
  "  call Dfunc("s:MakeSshCmd(sshcmd<".a:sshcmd.">) user<".s:user."> machine<".s:machine.">")
  if s:user == ""
    let sshcmd = substitute(a:sshcmd,'\<HOSTNAME\>',s:machine,'')
  else
    let sshcmd = substitute(a:sshcmd,'\<HOSTNAME\>',s:user."@".s:machine,'')
  endif
  if exists("g:netrw_port") && g:netrw_port != ""
    let sshcmd= substitute(sshcmd,"USEPORT",g:netrw_sshport.' '.g:netrw_port,'')
  elseif exists("s:port") && s:port != ""
    let sshcmd= substitute(sshcmd,"USEPORT",g:netrw_sshport.' '.s:port,'')
  else
    let sshcmd= substitute(sshcmd,"USEPORT ",'','')
  endif
  "  call Dret("s:MakeSshCmd <".sshcmd.">")
  return sshcmd
endfun

" ---------------------------------------------------------------------
" s:MakeBookmark: enters a bookmark into Netrw's bookmark system   {{{2
fun! s:MakeBookmark(fname)
  "  call Dfunc("s:MakeBookmark(fname<".a:fname.">)")

  if !exists("g:netrw_bookmarklist")
    let g:netrw_bookmarklist= []
  endif

  if index(g:netrw_bookmarklist,a:fname) == -1
    " curdir not currently in g:netrw_bookmarklist, so include it
    if isdirectory(s:NetrwFile(a:fname)) && a:fname !~ '/$'
      call add(g:netrw_bookmarklist,a:fname.'/')
    elseif a:fname !~ '/'
      call add(g:netrw_bookmarklist,getcwd()."/".a:fname)
    else
      call add(g:netrw_bookmarklist,a:fname)
    endif
    call sort(g:netrw_bookmarklist)
  endif

  "  call Dret("s:MakeBookmark")
endfun

" ---------------------------------------------------------------------
" s:MergeBookmarks: merge current bookmarks with saved bookmarks {{{2
fun! s:MergeBookmarks()
  "  call Dfunc("s:MergeBookmarks() : merge current bookmarks into .netrwbook")
  " get bookmarks from .netrwbook file
  let savefile= s:NetrwHome()."/.netrwbook"
  if filereadable(s:NetrwFile(savefile))
    "   call Decho("merge bookmarks (active and file)",'~'.expand("<slnum>"))
    NetrwKeepj call s:NetrwBookHistSave()
    "   call Decho("bookmark delete savefile<".savefile.">",'~'.expand("<slnum>"))
    NetrwKeepj call delete(savefile)
  endif
  "  call Dret("s:MergeBookmarks")
endfun

" ---------------------------------------------------------------------
" s:NetrwBMShow: {{{2
fun! s:NetrwBMShow()
  "  call Dfunc("s:NetrwBMShow()")
  redir => bmshowraw
  menu
  redir END
  let bmshowlist = split(bmshowraw,'\n')
  if bmshowlist != []
    let bmshowfuncs= filter(bmshowlist,'v:val =~# "<SNR>\\d\\+_BMShow()"')
    if bmshowfuncs != []
      let bmshowfunc = substitute(bmshowfuncs[0],'^.*:\(call.*BMShow()\).*$','\1','')
      if bmshowfunc =~# '^call.*BMShow()'
        exe "sil! NetrwKeepj ".bmshowfunc
      endif
    endif
  endif
  "  call Dret("s:NetrwBMShow : bmshowfunc<".(exists("bmshowfunc")? bmshowfunc : 'n/a').">")
endfun

" ---------------------------------------------------------------------
" s:NetrwCursor: responsible for setting cursorline/cursorcolumn based upon g:netrw_cursor {{{2
fun! s:NetrwCursor(editfile)
  if !exists("w:netrw_liststyle")
    let w:netrw_liststyle= g:netrw_liststyle
  endif
  "  call Dfunc("s:NetrwCursor() ft<".&ft."> liststyle=".w:netrw_liststyle." g:netrw_cursor=".g:netrw_cursor." s:netrw_usercuc=".s:netrw_usercuc." s:netrw_usercul=".s:netrw_usercul)

  "  call Decho("(s:NetrwCursor) COMBAK: cuc=".&l:cuc." cul=".&l:cul)

  if &ft != "netrw"
  " if the current window isn't a netrw directory listing window, then use user cursorline/column
  " settings.  Affects when netrw is used to read/write a file using scp/ftp/etc.
  "   call Decho("case ft!=netrw: use user cul,cuc",'~'.expand("<slnum>"))

  elseif g:netrw_cursor == 8
    if w:netrw_liststyle == s:WIDELIST
      setl cursorline
      setl cursorcolumn
    else
      setl cursorline
    endif
  elseif g:netrw_cursor == 7
    setl cursorline
  elseif g:netrw_cursor == 6
    if w:netrw_liststyle == s:WIDELIST
      setl cursorline
    endif
  elseif g:netrw_cursor == 4
    " all styles: cursorline, cursorcolumn
    "   call Decho("case g:netrw_cursor==4: setl cul cuc",'~'.expand("<slnum>"))
    setl cursorline
    setl cursorcolumn

  elseif g:netrw_cursor == 3
    " thin-long-tree: cursorline, user's cursorcolumn
    " wide          : cursorline, cursorcolumn
    if w:netrw_liststyle == s:WIDELIST
      "    call Decho("case g:netrw_cursor==3 and wide: setl cul cuc",'~'.expand("<slnum>"))
      setl cursorline
      setl cursorcolumn
    else
      "    call Decho("case g:netrw_cursor==3 and not wide: setl cul (use user's cuc)",'~'.expand("<slnum>"))
      setl cursorline
    endif

  elseif g:netrw_cursor == 2
    " thin-long-tree: cursorline, user's cursorcolumn
    " wide          : cursorline, user's cursorcolumn
    "   call Decho("case g:netrw_cursor==2: setl cuc (use user's cul)",'~'.expand("<slnum>"))
    setl cursorline

  elseif g:netrw_cursor == 1
    " thin-long-tree: user's cursorline, user's cursorcolumn
    " wide          : cursorline,        user's cursorcolumn
    if w:netrw_liststyle == s:WIDELIST
      "    call Decho("case g:netrw_cursor==2 and wide: setl cul (use user's cuc)",'~'.expand("<slnum>"))
      setl cursorline
    else
      "    call Decho("case g:netrw_cursor==2 and not wide: (use user's cul,cuc)",'~'.expand("<slnum>"))
    endif

  else
    " all styles: user's cursorline, user's cursorcolumn
    "   call Decho("default: (use user's cul,cuc)",'~'.expand("<slnum>"))
    let &l:cursorline   = s:netrw_usercul
    let &l:cursorcolumn = s:netrw_usercuc
  endif

  " call Decho("(s:NetrwCursor) COMBAK: cuc=".&l:cuc." cul=".&l:cul)
  "  call Dret("s:NetrwCursor : l:cursorline=".&l:cursorline." l:cursorcolumn=".&l:cursorcolumn)
endfun

" ---------------------------------------------------------------------
" s:RestoreCursorline: restores cursorline/cursorcolumn to original user settings {{{2
fun! s:RestoreCursorline()
  "  call Dfunc("s:RestoreCursorline() currently, cul=".&l:cursorline." cuc=".&l:cursorcolumn." win#".winnr()." buf#".bufnr("%"))
  if exists("s:netrw_usercul")
    let &l:cursorline   = s:netrw_usercul
  endif
  if exists("s:netrw_usercuc")
    let &l:cursorcolumn = s:netrw_usercuc
  endif
  "  call Decho("(s:RestoreCursorline) COMBAK: cuc=".&l:cuc." cul=".&l:cul)
  "  call Dret("s:RestoreCursorline : restored cul=".&l:cursorline." cuc=".&l:cursorcolumn)
endfun

" s:RestoreRegister: restores all registers given in the dict {{{2
fun! s:RestoreRegister(dict)
  for [key, val] in items(a:dict)
    if key == 'unnamed'
      let key = ''
    endif
    call setreg(key, val[0], val[1])
  endfor
endfun

" ---------------------------------------------------------------------
" s:NetrwDelete: Deletes a file. {{{2
"           Uses Steve Hall's idea to insure that Windows paths stay
"           acceptable.  No effect on Unix paths.
"  Examples of use:  let result= s:NetrwDelete(path)
fun! s:NetrwDelete(path)
  "  call Dfunc("s:NetrwDelete(path<".a:path.">)")

  let path = netrw#WinPath(a:path)
  if !g:netrw_cygwin && has("win32")
    if exists("+shellslash")
      let sskeep= &shellslash
      setl noshellslash
      let result      = delete(path)
      let &shellslash = sskeep
    else
      "    call Decho("exe let result= ".a:cmd."('".path."')",'~'.expand("<slnum>"))
      let result= delete(path)
    endif
  else
    "   call Decho("let result= delete(".path.")",'~'.expand("<slnum>"))
    let result= delete(path)
  endif
  if result < 0
    NetrwKeepj call netrw#ErrorMsg(s:WARNING,"delete(".path.") failed!",71)
  endif

  "  call Dret("s:NetrwDelete ".result)
  return result
endfun

" ---------------------------------------------------------------------
" s:NetrwBufRemover: removes a buffer that: {{{2s
"                    has buffer-id > 1
"                    is unlisted
"                    is unnamed
"                    does not appear in any window
fun! s:NetrwBufRemover(bufid)
  "  call Dfunc("s:NetrwBufRemover(".a:bufid.")")
  "  call Decho("buf#".a:bufid."           ".((a:bufid > 1)? ">" : "≯")." must be >1 for removal","~".expand("<slnum>"))
  "  call Decho("buf#".a:bufid." is        ".(buflisted(a:bufid)? "listed" : "unlisted"),"~".expand("<slnum>"))
  "  call Decho("buf#".a:bufid." has name <".bufname(a:bufid).">","~".expand("<slnum>"))
  "  call Decho("buf#".a:bufid." has winid#".bufwinid(a:bufid),"~".expand("<slnum>"))

  if a:bufid > 1 && !buflisted(a:bufid) && bufloaded(a:bufid) && bufname(a:bufid) == "" && bufwinid(a:bufid) == -1
    "   call Decho("(s:NetrwBufRemover) removing buffer#".a:bufid,"~".expand("<slnum>"))
    exe "sil! bd! ".a:bufid
  endif

  "  call Dret("s:NetrwBufRemover")
endfun

" ---------------------------------------------------------------------
" s:NetrwEnew: opens a new buffer, passes netrw buffer variables through {{{2
fun! s:NetrwEnew(...)
  "  call Dfunc("s:NetrwEnew() a:0=".a:0." win#".winnr()." winnr($)=".winnr("$")." bufnr($)=".bufnr("$")." expand(%)<".expand("%").">")
  "  call Decho("curdir<".((a:0>0)? a:1 : "")."> buf#".bufnr("%")."<".bufname("%").">",'~'.expand("<slnum>"))

  " Clean out the last buffer:
  " Check if the last buffer has # > 1, is unlisted, is unnamed, and does not appear in a window
  " If so, delete it.
  call s:NetrwBufRemover(bufnr("$"))

  " grab a function-local-variable copy of buffer variables
  "  call Decho("make function-local copy of netrw variables",'~'.expand("<slnum>"))
  if exists("b:netrw_bannercnt")      |let netrw_bannercnt       = b:netrw_bannercnt      |endif
  if exists("b:netrw_browser_active") |let netrw_browser_active  = b:netrw_browser_active |endif
  if exists("b:netrw_cpf")            |let netrw_cpf             = b:netrw_cpf            |endif
  if exists("b:netrw_curdir")         |let netrw_curdir          = b:netrw_curdir         |endif
  if exists("b:netrw_explore_bufnr")  |let netrw_explore_bufnr   = b:netrw_explore_bufnr  |endif
  if exists("b:netrw_explore_indx")   |let netrw_explore_indx    = b:netrw_explore_indx   |endif
  if exists("b:netrw_explore_line")   |let netrw_explore_line    = b:netrw_explore_line   |endif
  if exists("b:netrw_explore_list")   |let netrw_explore_list    = b:netrw_explore_list   |endif
  if exists("b:netrw_explore_listlen")|let netrw_explore_listlen = b:netrw_explore_listlen|endif
  if exists("b:netrw_explore_mtchcnt")|let netrw_explore_mtchcnt = b:netrw_explore_mtchcnt|endif
  if exists("b:netrw_fname")          |let netrw_fname           = b:netrw_fname          |endif
  if exists("b:netrw_lastfile")       |let netrw_lastfile        = b:netrw_lastfile       |endif
  if exists("b:netrw_liststyle")      |let netrw_liststyle       = b:netrw_liststyle      |endif
  if exists("b:netrw_method")         |let netrw_method          = b:netrw_method         |endif
  if exists("b:netrw_option")         |let netrw_option          = b:netrw_option         |endif
  if exists("b:netrw_prvdir")         |let netrw_prvdir          = b:netrw_prvdir         |endif

  NetrwKeepj call s:NetrwOptionsRestore("w:")
  "  call Decho("generate a buffer with NetrwKeepj enew!",'~'.expand("<slnum>"))
  " when tree listing uses file TreeListing... a new buffer is made.
  " Want the old buffer to be unlisted.
  " COMBAK: this causes a problem, see P43
  "  setl nobl
  let netrw_keepdiff= &l:diff
  call s:NetrwEditFile("enew!","","")
  let &l:diff= netrw_keepdiff
  "  call Decho("bufnr($)=".bufnr("$")."<".bufname(bufnr("$"))."> winnr($)=".winnr("$"),'~'.expand("<slnum>"))
  NetrwKeepj call s:NetrwOptionsSave("w:")

  " copy function-local-variables to buffer variable equivalents
  "  call Decho("copy function-local variables back to buffer netrw variables",'~'.expand("<slnum>"))
  if exists("netrw_bannercnt")      |let b:netrw_bannercnt       = netrw_bannercnt      |endif
  if exists("netrw_browser_active") |let b:netrw_browser_active  = netrw_browser_active |endif
  if exists("netrw_cpf")            |let b:netrw_cpf             = netrw_cpf            |endif
  if exists("netrw_curdir")         |let b:netrw_curdir          = netrw_curdir         |endif
  if exists("netrw_explore_bufnr")  |let b:netrw_explore_bufnr   = netrw_explore_bufnr  |endif
  if exists("netrw_explore_indx")   |let b:netrw_explore_indx    = netrw_explore_indx   |endif
  if exists("netrw_explore_line")   |let b:netrw_explore_line    = netrw_explore_line   |endif
  if exists("netrw_explore_list")   |let b:netrw_explore_list    = netrw_explore_list   |endif
  if exists("netrw_explore_listlen")|let b:netrw_explore_listlen = netrw_explore_listlen|endif
  if exists("netrw_explore_mtchcnt")|let b:netrw_explore_mtchcnt = netrw_explore_mtchcnt|endif
  if exists("netrw_fname")          |let b:netrw_fname           = netrw_fname          |endif
  if exists("netrw_lastfile")       |let b:netrw_lastfile        = netrw_lastfile       |endif
  if exists("netrw_liststyle")      |let b:netrw_liststyle       = netrw_liststyle      |endif
  if exists("netrw_method")         |let b:netrw_method          = netrw_method         |endif
  if exists("netrw_option")         |let b:netrw_option          = netrw_option         |endif
  if exists("netrw_prvdir")         |let b:netrw_prvdir          = netrw_prvdir         |endif

  if a:0 > 0
    let b:netrw_curdir= a:1
    if b:netrw_curdir =~ '/$'
      if exists("w:netrw_liststyle") && w:netrw_liststyle == s:TREELIST
        setl nobl
        file NetrwTreeListing
        setl nobl bt=nowrite bh=hide
        nno <silent> <buffer> [    :sil call <SID>TreeListMove('[')<cr>
        nno <silent> <buffer> ]    :sil call <SID>TreeListMove(']')<cr>
      else
        call s:NetrwBufRename(b:netrw_curdir)
      endif
    endif
  endif
  if v:version >= 700 && has("balloon_eval") && !exists("s:initbeval") && !exists("g:netrw_nobeval") && has("syntax") && exists("g:syntax_on")
    let &l:bexpr = "netrw#BalloonHelp()"
  endif

  "  call Dret("s:NetrwEnew : buf#".bufnr("%")."<".bufname("%")."> expand(%)<".expand("%")."> expand(#)<".expand("#")."> bh=".&bh." win#".winnr()." winnr($)#".winnr("$"))
endfun

" ---------------------------------------------------------------------
" s:NetrwExe: executes a string using "!" {{{2
fun! s:NetrwExe(cmd)
  if has("win32") && exepath(&shell) !~? '\v[\/]?(cmd|pwsh|powershell)(\.exe)?$' && !g:netrw_cygwin
    let savedShell=[&shell,&shellcmdflag,&shellxquote,&shellxescape,&shellquote,&shellpipe,&shellredir,&shellslash]
    set shell& shellcmdflag& shellxquote& shellxescape&
    set shellquote& shellpipe& shellredir& shellslash&
    try
      exe a:cmd
    finally
      let [&shell,&shellcmdflag,&shellxquote,&shellxescape,&shellquote,&shellpipe,&shellredir,&shellslash] = savedShell
    endtry
  else
    exe a:cmd
  endif
  if v:shell_error
    call netrw#ErrorMsg(s:WARNING,"shell signalled an error",106)
  endif
endfun

" ---------------------------------------------------------------------
" s:NetrwInsureWinVars: insure that a netrw buffer has its w: variables in spite of a wincmd v or s {{{2
fun! s:NetrwInsureWinVars()
  if !exists("w:netrw_liststyle")
    "   call Dfunc("s:NetrwInsureWinVars() win#".winnr())
    let curbuf = bufnr("%")
    let curwin = winnr()
    let iwin   = 1
    while iwin <= winnr("$")
      exe iwin."wincmd w"
      if winnr() != curwin && bufnr("%") == curbuf && exists("w:netrw_liststyle")
        " looks like ctrl-w_s or ctrl-w_v was used to split a netrw buffer
        let winvars= w:
        break
      endif
      let iwin= iwin + 1
    endwhile
    exe "keepalt ".curwin."wincmd w"
    if exists("winvars")
      "    call Decho("copying w#".iwin." window variables to w#".curwin,'~'.expand("<slnum>"))
      for k in keys(winvars)
        let w:{k}= winvars[k]
      endfor
    endif
    "   call Dret("s:NetrwInsureWinVars win#".winnr())
  endif
endfun

" ---------------------------------------------------------------------
" s:NetrwLcd: handles changing the (local) directory {{{2
"   Returns: 0=success
"           -1=failed
fun! s:NetrwLcd(newdir)
  "  call Dfunc("s:NetrwLcd(newdir<".a:newdir.">)")
  "  call Decho("changing local directory",'~'.expand("<slnum>"))

  let err472= 0
  try
    exe 'NetrwKeepj sil lcd '.fnameescape(a:newdir)
  catch /^Vim\%((\a\+)\)\=:E344/
    " Vim's lcd fails with E344 when attempting to go above the 'root' of a Windows share.
    " Therefore, detect if a Windows share is present, and if E344 occurs, just settle at
    " 'root' (ie. '\').  The share name may start with either backslashes ('\\Foo') or
    " forward slashes ('//Foo'), depending on whether backslashes have been converted to
    " forward slashes by earlier code; so check for both.
    if has("win32") && !g:netrw_cygwin
      if a:newdir =~ '^\\\\\w\+' || a:newdir =~ '^//\w\+'
        let dirname = '\'
        exe 'NetrwKeepj sil lcd '.fnameescape(dirname)
      endif
    endif
  catch /^Vim\%((\a\+)\)\=:E472/
    let err472= 1
  endtry

  if err472
    call netrw#ErrorMsg(s:ERROR,"unable to change directory to <".a:newdir."> (permissions?)",61)
    if exists("w:netrw_prvdir")
      let a:newdir= w:netrw_prvdir
    else
      call s:NetrwOptionsRestore("w:")
      "    call Decho("setl noma nomod nowrap",'~'.expand("<slnum>"))
      exe "setl ".g:netrw_bufsettings
      "    call Decho(" ro=".&l:ro." ma=".&l:ma." mod=".&l:mod." wrap=".&l:wrap." (filename<".expand("%")."> win#".winnr()." ft<".&ft.">)",'~'.expand("<slnum>"))
      let a:newdir= dirname
    endif
    "   call Dret("s:NetrwBrowse -1 : reusing buffer#".(exists("bufnum")? bufnum : 'N/A')."<".dirname."> getcwd<".getcwd().">")
    return -1
  endif

  "  call Decho("getcwd        <".getcwd().">")
  "  call Decho("b:netrw_curdir<".b:netrw_curdir.">")
  "  call Dret("s:NetrwLcd 0")
  return 0
endfun

" ------------------------------------------------------------------------
" s:NetrwSaveWordPosn: used to keep cursor on same word after refresh, {{{2
" changed sorting, etc.  Also see s:NetrwRestoreWordPosn().
fun! s:NetrwSaveWordPosn()
  "  call Dfunc("NetrwSaveWordPosn()")
  let s:netrw_saveword= '^'.fnameescape(getline('.')).'$'
  "  call Dret("NetrwSaveWordPosn : saveword<".s:netrw_saveword.">")
endfun

" ---------------------------------------------------------------------
" s:NetrwHumanReadable: takes a number and makes it "human readable" {{{2
"                       1000 -> 1K, 1000000 -> 1M, 1000000000 -> 1G
fun! s:NetrwHumanReadable(sz)
  "  call Dfunc("s:NetrwHumanReadable(sz=".a:sz.") type=".type(a:sz)." style=".g:netrw_sizestyle )

  if g:netrw_sizestyle == 'h'
    if a:sz >= 1000000000
      let sz = printf("%.1f",a:sz/1000000000.0)."g"
    elseif a:sz >= 10000000
      let sz = printf("%d",a:sz/1000000)."m"
    elseif a:sz >= 1000000
      let sz = printf("%.1f",a:sz/1000000.0)."m"
    elseif a:sz >= 10000
      let sz = printf("%d",a:sz/1000)."k"
    elseif a:sz >= 1000
      let sz = printf("%.1f",a:sz/1000.0)."k"
    else
      let sz= a:sz
    endif

  elseif g:netrw_sizestyle == 'H'
    if a:sz >= 1073741824
      let sz = printf("%.1f",a:sz/1073741824.0)."G"
    elseif a:sz >= 10485760
      let sz = printf("%d",a:sz/1048576)."M"
    elseif a:sz >= 1048576
      let sz = printf("%.1f",a:sz/1048576.0)."M"
    elseif a:sz >= 10240
      let sz = printf("%d",a:sz/1024)."K"
    elseif a:sz >= 1024
      let sz = printf("%.1f",a:sz/1024.0)."K"
    else
      let sz= a:sz
    endif

  else
    let sz= a:sz
  endif

  "  call Dret("s:NetrwHumanReadable ".sz)
  return sz
endfun

" ---------------------------------------------------------------------
" s:NetrwRestoreWordPosn: used to keep cursor on same word after refresh, {{{2
"  changed sorting, etc.  Also see s:NetrwSaveWordPosn().
fun! s:NetrwRestoreWordPosn()
  "  call Dfunc("NetrwRestoreWordPosn()")
  sil! call search(s:netrw_saveword,'w')
  "  call Dret("NetrwRestoreWordPosn")
endfun

" ---------------------------------------------------------------------
" s:RestoreBufVars: {{{2
fun! s:RestoreBufVars()
  "  call Dfunc("s:RestoreBufVars()")

  if exists("s:netrw_curdir")        |let b:netrw_curdir         = s:netrw_curdir        |endif
  if exists("s:netrw_lastfile")      |let b:netrw_lastfile       = s:netrw_lastfile      |endif
  if exists("s:netrw_method")        |let b:netrw_method         = s:netrw_method        |endif
  if exists("s:netrw_fname")         |let b:netrw_fname          = s:netrw_fname         |endif
  if exists("s:netrw_machine")       |let b:netrw_machine        = s:netrw_machine       |endif
  if exists("s:netrw_browser_active")|let b:netrw_browser_active = s:netrw_browser_active|endif

  "  call Dret("s:RestoreBufVars")
endfun

" ---------------------------------------------------------------------
" s:RemotePathAnalysis: {{{2
fun! s:RemotePathAnalysis(dirname)
  "  call Dfunc("s:RemotePathAnalysis(a:dirname<".a:dirname.">)")

  "                method   ://    user  @      machine      :port            /path
  let dirpat  = '^\(\w\{-}\)://\(\(\w\+\)@\)\=\([^/:#]\+\)\%([:#]\(\d\+\)\)\=/\(.*\)$'
  let s:method  = substitute(a:dirname,dirpat,'\1','')
  let s:user    = substitute(a:dirname,dirpat,'\3','')
  let s:machine = substitute(a:dirname,dirpat,'\4','')
  let s:port    = substitute(a:dirname,dirpat,'\5','')
  let s:path    = substitute(a:dirname,dirpat,'\6','')
  let s:fname   = substitute(s:path,'^.*/\ze.','','')
  if s:machine =~ '@'
    let dirpat    = '^\(.*\)@\(.\{-}\)$'
    let s:user    = s:user.'@'.substitute(s:machine,dirpat,'\1','')
    let s:machine = substitute(s:machine,dirpat,'\2','')
  endif

  "  call Decho("set up s:method <".s:method .">",'~'.expand("<slnum>"))
  "  call Decho("set up s:user   <".s:user   .">",'~'.expand("<slnum>"))
  "  call Decho("set up s:machine<".s:machine.">",'~'.expand("<slnum>"))
  "  call Decho("set up s:port   <".s:port.">",'~'.expand("<slnum>"))
  "  call Decho("set up s:path   <".s:path   .">",'~'.expand("<slnum>"))
  "  call Decho("set up s:fname  <".s:fname  .">",'~'.expand("<slnum>"))

  "  call Dret("s:RemotePathAnalysis")
endfun

" ---------------------------------------------------------------------
" s:RemoteSystem: runs a command on a remote host using ssh {{{2
"                 Returns status
" Runs system() on
"    [cd REMOTEDIRPATH;] a:cmd
" Note that it doesn't do s:ShellEscape(a:cmd)!
fun! s:RemoteSystem(cmd)
  "  call Dfunc("s:RemoteSystem(cmd<".a:cmd.">)")
  if !executable(g:netrw_ssh_cmd)
    NetrwKeepj call netrw#ErrorMsg(s:ERROR,"g:netrw_ssh_cmd<".g:netrw_ssh_cmd."> is not executable!",52)
  elseif !exists("b:netrw_curdir")
    NetrwKeepj call netrw#ErrorMsg(s:ERROR,"for some reason b:netrw_curdir doesn't exist!",53)
  else
    let cmd      = s:MakeSshCmd(g:netrw_ssh_cmd." USEPORT HOSTNAME")
    let remotedir= substitute(b:netrw_curdir,'^.*//[^/]\+/\(.*\)$','\1','')
    if remotedir != ""
      let cmd= cmd.' cd '.s:ShellEscape(remotedir).";"
    else
      let cmd= cmd.' '
    endif
    let cmd= cmd.a:cmd
    "   call Decho("call system(".cmd.")",'~'.expand("<slnum>"))
    let ret= system(cmd)
  endif
  "  call Dret("s:RemoteSystem ".ret)
  return ret
endfun

" ---------------------------------------------------------------------
" s:RestoreWinVars: (used by Explore() and NetrwSplit()) {{{2
fun! s:RestoreWinVars()
  "  call Dfunc("s:RestoreWinVars()")
  if exists("s:bannercnt")      |let w:netrw_bannercnt       = s:bannercnt      |unlet s:bannercnt      |endif
  if exists("s:col")            |let w:netrw_col             = s:col            |unlet s:col            |endif
  if exists("s:curdir")         |let w:netrw_curdir          = s:curdir         |unlet s:curdir         |endif
  if exists("s:explore_bufnr")  |let w:netrw_explore_bufnr   = s:explore_bufnr  |unlet s:explore_bufnr  |endif
  if exists("s:explore_indx")   |let w:netrw_explore_indx    = s:explore_indx   |unlet s:explore_indx   |endif
  if exists("s:explore_line")   |let w:netrw_explore_line    = s:explore_line   |unlet s:explore_line   |endif
  if exists("s:explore_listlen")|let w:netrw_explore_listlen = s:explore_listlen|unlet s:explore_listlen|endif
  if exists("s:explore_list")   |let w:netrw_explore_list    = s:explore_list   |unlet s:explore_list   |endif
  if exists("s:explore_mtchcnt")|let w:netrw_explore_mtchcnt = s:explore_mtchcnt|unlet s:explore_mtchcnt|endif
  if exists("s:fpl")            |let w:netrw_fpl             = s:fpl            |unlet s:fpl            |endif
  if exists("s:hline")          |let w:netrw_hline           = s:hline          |unlet s:hline          |endif
  if exists("s:line")           |let w:netrw_line            = s:line           |unlet s:line           |endif
  if exists("s:liststyle")      |let w:netrw_liststyle       = s:liststyle      |unlet s:liststyle      |endif
  if exists("s:method")         |let w:netrw_method          = s:method         |unlet s:method         |endif
  if exists("s:prvdir")         |let w:netrw_prvdir          = s:prvdir         |unlet s:prvdir         |endif
  if exists("s:treedict")       |let w:netrw_treedict        = s:treedict       |unlet s:treedict       |endif
  if exists("s:treetop")        |let w:netrw_treetop         = s:treetop        |unlet s:treetop        |endif
  if exists("s:winnr")          |let w:netrw_winnr           = s:winnr          |unlet s:winnr          |endif
  "  call Dret("s:RestoreWinVars")
endfun

" ---------------------------------------------------------------------
" s:Rexplore: implements returning from a buffer to a netrw directory {{{2
"
"             s:SetRexDir() sets up <2-leftmouse> maps (if g:netrw_retmap
"             is true) and a command, :Rexplore, which call this function.
"
"             s:netrw_posn is set up by s:NetrwBrowseChgDir()
"
"             s:rexposn_BUFNR used to save/restore cursor position
fun! s:NetrwRexplore(islocal,dirname)
  if exists("s:netrwdrag")
    return
  endif
  "  call Dfunc("s:NetrwRexplore() w:netrw_rexlocal=".w:netrw_rexlocal." w:netrw_rexdir<".w:netrw_rexdir."> win#".winnr())
  "  call Decho("currently in bufname<".bufname("%").">",'~'.expand("<slnum>"))
  "  call Decho("ft=".&ft." win#".winnr()." w:netrw_rexfile<".(exists("w:netrw_rexfile")? w:netrw_rexfile : 'n/a').">",'~'.expand("<slnum>"))

  if &ft == "netrw" && exists("w:netrw_rexfile") && w:netrw_rexfile != ""
    " a :Rex while in a netrw buffer means: edit the file in w:netrw_rexfile
    "   call Decho("in netrw buffer, will edit file<".w:netrw_rexfile.">",'~'.expand("<slnum>"))
    exe "NetrwKeepj e ".w:netrw_rexfile
    unlet w:netrw_rexfile
    "   call Dret("s:NetrwRexplore returning from netrw to buf#".bufnr("%")."<".bufname("%").">  (ft=".&ft.")")
    return
    "  else " Decho
    "   call Decho("treating as not-netrw-buffer: ft=".&ft.((&ft == "netrw")? " == netrw" : "!= netrw"),'~'.expand("<slnum>"))
    "   call Decho("treating as not-netrw-buffer: w:netrw_rexfile<".((exists("w:netrw_rexfile"))? w:netrw_rexfile : 'n/a').">",'~'.expand("<slnum>"))
  endif

  " ---------------------------
  " :Rex issued while in a file
  " ---------------------------

  " record current file so :Rex can return to it from netrw
  let w:netrw_rexfile= expand("%")
  "  call Decho("set w:netrw_rexfile<".w:netrw_rexfile.">  (win#".winnr().")",'~'.expand("<slnum>"))

  if !exists("w:netrw_rexlocal")
    "   call Dret("s:NetrwRexplore w:netrw_rexlocal doesn't exist (".&ft." win#".winnr().")")
    return
  endif
  "  call Decho("settings buf#".bufnr("%")."<".bufname("%").">: ".((&l:ma == 0)? "no" : "")."ma ".((&l:mod == 0)? "no" : "")."mod ".((&l:bl == 0)? "no" : "")."bl ".((&l:ro == 0)? "no" : "")."ro fo=".&l:fo,'~'.expand("<slnum>"))
  if w:netrw_rexlocal
    NetrwKeepj call netrw#LocalBrowseCheck(w:netrw_rexdir)
  else
    NetrwKeepj call s:NetrwBrowse(0,w:netrw_rexdir)
  endif
  if exists("s:initbeval")
    setl beval
  endif
  if exists("s:rexposn_".bufnr("%"))
    "   call Decho("restore posn, then unlet s:rexposn_".bufnr('%')."<".bufname("%").">",'~'.expand("<slnum>"))
    " restore position in directory listing
    "   call Decho("restoring posn to s:rexposn_".bufnr('%')."<".string(s:rexposn_{bufnr('%')}).">",'~'.expand("<slnum>"))
    NetrwKeepj call winrestview(s:rexposn_{bufnr('%')})
    if exists("s:rexposn_".bufnr('%'))
      unlet s:rexposn_{bufnr('%')}
    endif
  else
    "   call Decho("s:rexposn_".bufnr('%')."<".bufname("%")."> doesn't exist",'~'.expand("<slnum>"))
  endif

  if has("syntax") && exists("g:syntax_on") && g:syntax_on
    if exists("s:explore_match")
      exe "2match netrwMarkFile /".s:explore_match."/"
    endif
  endif

  "  call Decho("settings buf#".bufnr("%")."<".bufname("%").">: ".((&l:ma == 0)? "no" : "")."ma ".((&l:mod == 0)? "no" : "")."mod ".((&l:bl == 0)? "no" : "")."bl ".((&l:ro == 0)? "no" : "")."ro fo=".&l:fo,'~'.expand("<slnum>"))
  "  call Dret("s:NetrwRexplore : ft=".&ft)
endfun

" ---------------------------------------------------------------------
" s:SaveBufVars: save selected b: variables to s: variables {{{2
"                use s:RestoreBufVars() to restore b: variables from s: variables
fun! s:SaveBufVars()
  "  call Dfunc("s:SaveBufVars() buf#".bufnr("%"))

  if exists("b:netrw_curdir")        |let s:netrw_curdir         = b:netrw_curdir        |endif
  if exists("b:netrw_lastfile")      |let s:netrw_lastfile       = b:netrw_lastfile      |endif
  if exists("b:netrw_method")        |let s:netrw_method         = b:netrw_method        |endif
  if exists("b:netrw_fname")         |let s:netrw_fname          = b:netrw_fname         |endif
  if exists("b:netrw_machine")       |let s:netrw_machine        = b:netrw_machine       |endif
  if exists("b:netrw_browser_active")|let s:netrw_browser_active = b:netrw_browser_active|endif

  "  call Dret("s:SaveBufVars")
endfun

" ---------------------------------------------------------------------
" s:SavePosn: saves position associated with current buffer into a dictionary {{{2
fun! s:SavePosn(posndict)
  "  call Dfunc("s:SavePosn(posndict) curbuf#".bufnr("%")."<".bufname("%").">")

  if !exists("a:posndict[bufnr('%')]")
    let a:posndict[bufnr("%")]= []
  endif
  "  call Decho("before push: a:posndict[buf#".bufnr("%")."]=".string(a:posndict[bufnr('%')]))
  call add(a:posndict[bufnr("%")],winsaveview())
  "  call Decho("after  push: a:posndict[buf#".bufnr("%")."]=".string(a:posndict[bufnr('%')]))

  "  call Dret("s:SavePosn posndict")
  return a:posndict
endfun

" ---------------------------------------------------------------------
" s:RestorePosn: restores position associated with current buffer using dictionary {{{2
fun! s:RestorePosn(posndict)
  "  call Dfunc("s:RestorePosn(posndict) curbuf#".bufnr("%")."<".bufname("%").">")
  if exists("a:posndict")
    if has_key(a:posndict,bufnr("%"))
      "    call Decho("before pop: a:posndict[buf#".bufnr("%")."]=".string(a:posndict[bufnr('%')]))
      let posnlen= len(a:posndict[bufnr("%")])
      if posnlen > 0
        let posnlen= posnlen - 1
        "     call Decho("restoring posn posndict[".bufnr("%")."][".posnlen."]=".string(a:posndict[bufnr("%")][posnlen]),'~'.expand("<slnum>"))
        call winrestview(a:posndict[bufnr("%")][posnlen])
        call remove(a:posndict[bufnr("%")],posnlen)
        "     call Decho("after  pop: a:posndict[buf#".bufnr("%")."]=".string(a:posndict[bufnr('%')]))
      endif
    endif
  endif
  "  call Dret("s:RestorePosn")
endfun

" ---------------------------------------------------------------------
" s:SaveWinVars: (used by Explore() and NetrwSplit()) {{{2
fun! s:SaveWinVars()
  "  call Dfunc("s:SaveWinVars() win#".winnr())
  if exists("w:netrw_bannercnt")      |let s:bannercnt       = w:netrw_bannercnt      |endif
  if exists("w:netrw_col")            |let s:col             = w:netrw_col            |endif
  if exists("w:netrw_curdir")         |let s:curdir          = w:netrw_curdir         |endif
  if exists("w:netrw_explore_bufnr")  |let s:explore_bufnr   = w:netrw_explore_bufnr  |endif
  if exists("w:netrw_explore_indx")   |let s:explore_indx    = w:netrw_explore_indx   |endif
  if exists("w:netrw_explore_line")   |let s:explore_line    = w:netrw_explore_line   |endif
  if exists("w:netrw_explore_listlen")|let s:explore_listlen = w:netrw_explore_listlen|endif
  if exists("w:netrw_explore_list")   |let s:explore_list    = w:netrw_explore_list   |endif
  if exists("w:netrw_explore_mtchcnt")|let s:explore_mtchcnt = w:netrw_explore_mtchcnt|endif
  if exists("w:netrw_fpl")            |let s:fpl             = w:netrw_fpl            |endif
  if exists("w:netrw_hline")          |let s:hline           = w:netrw_hline          |endif
  if exists("w:netrw_line")           |let s:line            = w:netrw_line           |endif
  if exists("w:netrw_liststyle")      |let s:liststyle       = w:netrw_liststyle      |endif
  if exists("w:netrw_method")         |let s:method          = w:netrw_method         |endif
  if exists("w:netrw_prvdir")         |let s:prvdir          = w:netrw_prvdir         |endif
  if exists("w:netrw_treedict")       |let s:treedict        = w:netrw_treedict       |endif
  if exists("w:netrw_treetop")        |let s:treetop         = w:netrw_treetop        |endif
  if exists("w:netrw_winnr")          |let s:winnr           = w:netrw_winnr          |endif
  "  call Dret("s:SaveWinVars")
endfun

" ---------------------------------------------------------------------
" s:SetBufWinVars: (used by NetrwBrowse() and LocalBrowseCheck()) {{{2
"   To allow separate windows to have their own activities, such as
"   Explore **/pattern, several variables have been made window-oriented.
"   However, when the user splits a browser window (ex: ctrl-w s), these
"   variables are not inherited by the new window.  SetBufWinVars() and
"   UseBufWinVars() get around that.
fun! s:SetBufWinVars()
  "  call Dfunc("s:SetBufWinVars() win#".winnr())
  if exists("w:netrw_liststyle")      |let b:netrw_liststyle      = w:netrw_liststyle      |endif
  if exists("w:netrw_bannercnt")      |let b:netrw_bannercnt      = w:netrw_bannercnt      |endif
  if exists("w:netrw_method")         |let b:netrw_method         = w:netrw_method         |endif
  if exists("w:netrw_prvdir")         |let b:netrw_prvdir         = w:netrw_prvdir         |endif
  if exists("w:netrw_explore_indx")   |let b:netrw_explore_indx   = w:netrw_explore_indx   |endif
  if exists("w:netrw_explore_listlen")|let b:netrw_explore_listlen= w:netrw_explore_listlen|endif
  if exists("w:netrw_explore_mtchcnt")|let b:netrw_explore_mtchcnt= w:netrw_explore_mtchcnt|endif
  if exists("w:netrw_explore_bufnr")  |let b:netrw_explore_bufnr  = w:netrw_explore_bufnr  |endif
  if exists("w:netrw_explore_line")   |let b:netrw_explore_line   = w:netrw_explore_line   |endif
  if exists("w:netrw_explore_list")   |let b:netrw_explore_list   = w:netrw_explore_list   |endif
  "  call Dret("s:SetBufWinVars")
endfun

" ---------------------------------------------------------------------
" s:SetRexDir: set directory for :Rexplore {{{2
fun! s:SetRexDir(islocal,dirname)
  "  call Dfunc("s:SetRexDir(islocal=".a:islocal." dirname<".a:dirname.">) win#".winnr())
  let w:netrw_rexdir         = a:dirname
  let w:netrw_rexlocal       = a:islocal
  let s:rexposn_{bufnr("%")} = winsaveview()
  "  call Decho("setting w:netrw_rexdir  =".w:netrw_rexdir,'~'.expand("<slnum>"))
  "  call Decho("setting w:netrw_rexlocal=".w:netrw_rexlocal,'~'.expand("<slnum>"))
  "  call Decho("saving posn to s:rexposn_".bufnr("%")."<".string(s:rexposn_{bufnr("%")}).">",'~'.expand("<slnum>"))
  "  call Decho("setting s:rexposn_".bufnr("%")."<".bufname("%")."> to ".string(winsaveview()),'~'.expand("<slnum>"))
  "  call Dret("s:SetRexDir : win#".winnr()." ".(a:islocal? "local" : "remote")." dir: ".a:dirname)
endfun

" ---------------------------------------------------------------------
" s:ShowLink: used to modify thin and tree listings to show links {{{2
fun! s:ShowLink()
  if exists("b:netrw_curdir")
    keepp :norm! $?\a
    "call histdel("/",-1)
    if exists("w:netrw_liststyle") && w:netrw_liststyle == s:TREELIST && exists("w:netrw_treetop")
      let basedir = s:NetrwTreePath(w:netrw_treetop)
    else
      let basedir = b:netrw_curdir.'/'
    endif
    let fname = basedir.s:NetrwGetWord()
    let resname = resolve(fname)
    if resname =~ '^\M'.basedir
      let dirlen  = strlen(basedir)
      let resname = strpart(resname,dirlen)
    endif
    let modline = getline(".")."\t --> ".resname
    setl noro ma
    call setline(".",modline)
    setl ro noma nomod
  endif
endfun

" ---------------------------------------------------------------------
" s:ShowStyle: {{{2
fun! s:ShowStyle()
  if !exists("w:netrw_liststyle")
    let liststyle= g:netrw_liststyle
  else
    let liststyle= w:netrw_liststyle
  endif
  if     liststyle == s:THINLIST
    return s:THINLIST.":thin"
  elseif liststyle == s:LONGLIST
    return s:LONGLIST.":long"
  elseif liststyle == s:WIDELIST
    return s:WIDELIST.":wide"
  elseif liststyle == s:TREELIST
    return s:TREELIST.":tree"
  else
    return 'n/a'
  endif
endfun

" ---------------------------------------------------------------------
" s:Strlen: this function returns the length of a string, even if its using multi-byte characters. {{{2
"           Solution from Nicolai Weibull, vim docs (:help strlen()),
"           Tony Mechelynck, and my own invention.
fun! s:Strlen(x)
  "  "" call Dfunc("s:Strlen(x<".a:x."> g:Align_xstrlen=".g:Align_xstrlen.")")

  if v:version >= 703 && exists("*strdisplaywidth")
    let ret= strdisplaywidth(a:x)

  elseif type(g:Align_xstrlen) == 1
    " allow user to specify a function to compute the string length  (ie. let g:Align_xstrlen="mystrlenfunc")
    exe "let ret= ".g:Align_xstrlen."('".substitute(a:x,"'","''","g")."')"

  elseif g:Align_xstrlen == 1
    " number of codepoints (Latin a + combining circumflex is two codepoints)
    " (comment from TM, solution from NW)
    let ret= strlen(substitute(a:x,'.','c','g'))

  elseif g:Align_xstrlen == 2
    " number of spacing codepoints (Latin a + combining circumflex is one spacing
    " codepoint; a hard tab is one; wide and narrow CJK are one each; etc.)
    " (comment from TM, solution from TM)
    let ret=strlen(substitute(a:x, '.\Z', 'x', 'g'))

  elseif g:Align_xstrlen == 3
    " virtual length (counting, for instance, tabs as anything between 1 and
    " 'tabstop', wide CJK as 2 rather than 1, Arabic alif as zero when immediately
    " preceded by lam, one otherwise, etc.)
    " (comment from TM, solution from me)
    let modkeep= &l:mod
    exe "norm! o\<esc>"
    call setline(line("."),a:x)
    let ret= virtcol("$") - 1
    d
    NetrwKeepj norm! k
    let &l:mod= modkeep

  else
    " at least give a decent default
    let ret= strlen(a:x)
  endif
  "  "" call Dret("s:Strlen ".ret)
  return ret
endfun

" ---------------------------------------------------------------------
" s:ShellEscape: shellescape(), or special windows handling {{{2
fun! s:ShellEscape(s, ...)
  if has('win32') && $SHELL == '' && &shellslash
    return printf('"%s"', substitute(a:s, '"', '""', 'g'))
  endif
  let f = a:0 > 0 ? a:1 : 0
  return shellescape(a:s, f)
endfun

" ---------------------------------------------------------------------
" s:TreeListMove: supports [[, ]], [], and ][ in tree mode {{{2
fun! s:TreeListMove(dir)
  "  call Dfunc("s:TreeListMove(dir<".a:dir.">)")
  let curline      = getline('.')
  let prvline      = (line(".") > 1)?         getline(line(".")-1) : ''
  let nxtline      = (line(".") < line("$"))? getline(line(".")+1) : ''
  let curindent    = substitute(getline('.'),'^\(\%('.s:treedepthstring.'\)*\)[^'.s:treedepthstring.'].\{-}$','\1','e')
  let indentm1     = substitute(curindent,'^'.s:treedepthstring,'','')
  let treedepthchr = substitute(s:treedepthstring,' ','','g')
  let stopline     = exists("w:netrw_bannercnt")? w:netrw_bannercnt : 1
  "  call Decho("prvline  <".prvline."> #".(line(".")-1), '~'.expand("<slnum>"))
  "  call Decho("curline  <".curline."> #".line(".")    , '~'.expand("<slnum>"))
  "  call Decho("nxtline  <".nxtline."> #".(line(".")+1), '~'.expand("<slnum>"))
  "  call Decho("curindent<".curindent.">"              , '~'.expand("<slnum>"))
  "  call Decho("indentm1 <".indentm1.">"               , '~'.expand("<slnum>"))
  "  COMBAK : need to handle when on a directory
  "  COMBAK : need to handle ]] and ][.  In general, needs work!!!
  if curline !~ '/$'
    if     a:dir == '[[' && prvline != ''
      NetrwKeepj norm! 0
      let nl = search('^'.indentm1.'\%('.s:treedepthstring.'\)\@!','bWe',stopline) " search backwards
    "    call Decho("regfile srch back: ".nl,'~'.expand("<slnum>"))
    elseif a:dir == '[]' && nxtline != ''
      NetrwKeepj norm! 0
      "    call Decho('srchpat<'.'^\%('.curindent.'\)\@!'.'>','~'.expand("<slnum>"))
      let nl = search('^\%('.curindent.'\)\@!','We') " search forwards
      if nl != 0
        NetrwKeepj norm! k
      else
        NetrwKeepj norm! G
      endif
      "    call Decho("regfile srch fwd: ".nl,'~'.expand("<slnum>"))
    endif
  endif

  "  call Dret("s:TreeListMove")
endfun

" ---------------------------------------------------------------------
" s:UpdateBuffersMenu: does emenu Buffers.Refresh (but due to locale, the menu item may not be called that) {{{2
"                      The Buffers.Refresh menu calls s:BMShow(); unfortunately, that means that that function
"                      can't be called except via emenu.  But due to locale, that menu line may not be called
"                      Buffers.Refresh; hence, s:NetrwBMShow() utilizes a "cheat" to call that function anyway.
fun! s:UpdateBuffersMenu()
  "  call Dfunc("s:UpdateBuffersMenu()")
  if has("gui") && has("menu") && has("gui_running") && &go =~# 'm' && g:netrw_menu
    try
      sil emenu Buffers.Refresh\ menu
    catch /^Vim\%((\a\+)\)\=:E/
      let v:errmsg= ""
      sil NetrwKeepj call s:NetrwBMShow()
    endtry
  endif
  "  call Dret("s:UpdateBuffersMenu")
endfun

" ---------------------------------------------------------------------
" s:UseBufWinVars: (used by NetrwBrowse() and LocalBrowseCheck() {{{2
"              Matching function to s:SetBufWinVars()
fun! s:UseBufWinVars()
  "  call Dfunc("s:UseBufWinVars()")
  if exists("b:netrw_liststyle")       && !exists("w:netrw_liststyle")      |let w:netrw_liststyle       = b:netrw_liststyle      |endif
  if exists("b:netrw_bannercnt")       && !exists("w:netrw_bannercnt")      |let w:netrw_bannercnt       = b:netrw_bannercnt      |endif
  if exists("b:netrw_method")          && !exists("w:netrw_method")         |let w:netrw_method          = b:netrw_method         |endif
  if exists("b:netrw_prvdir")          && !exists("w:netrw_prvdir")         |let w:netrw_prvdir          = b:netrw_prvdir         |endif
  if exists("b:netrw_explore_indx")    && !exists("w:netrw_explore_indx")   |let w:netrw_explore_indx    = b:netrw_explore_indx   |endif
  if exists("b:netrw_explore_listlen") && !exists("w:netrw_explore_listlen")|let w:netrw_explore_listlen = b:netrw_explore_listlen|endif
  if exists("b:netrw_explore_mtchcnt") && !exists("w:netrw_explore_mtchcnt")|let w:netrw_explore_mtchcnt = b:netrw_explore_mtchcnt|endif
  if exists("b:netrw_explore_bufnr")   && !exists("w:netrw_explore_bufnr")  |let w:netrw_explore_bufnr   = b:netrw_explore_bufnr  |endif
  if exists("b:netrw_explore_line")    && !exists("w:netrw_explore_line")   |let w:netrw_explore_line    = b:netrw_explore_line   |endif
  if exists("b:netrw_explore_list")    && !exists("w:netrw_explore_list")   |let w:netrw_explore_list    = b:netrw_explore_list   |endif
  "  call Dret("s:UseBufWinVars")
endfun

" ---------------------------------------------------------------------
" s:UserMaps: supports user-defined UserMaps {{{2
"               * calls a user-supplied funcref(islocal,curdir)
"               * interprets result
"             See netrw#UserMaps()
fun! s:UserMaps(islocal,funcname)
  if !exists("b:netrw_curdir")
    let b:netrw_curdir= getcwd()
  endif
  let Funcref = function(a:funcname)
  let result  = Funcref(a:islocal)

  if     type(result) == 1
    " if result from user's funcref is a string...
    if result == "refresh"
      call s:NetrwRefresh(a:islocal,s:NetrwBrowseChgDir(a:islocal,'./',0))
    elseif result != ""
      exe result
    endif

  elseif type(result) == 3
    " if result from user's funcref is a List...
    for action in result
      if action == "refresh"
        call s:NetrwRefresh(a:islocal,s:NetrwBrowseChgDir(a:islocal,'./',0))
      elseif action != ""
        exe action
      endif
    endfor
  endif
endfun

" ==========================
" Settings Restoration: {{{1
" ==========================
let &cpo= s:keepcpo
unlet s:keepcpo

" ===============
" Modelines: {{{1
" ===============
" vim:ts=8 sts=2 sw=2 et fdm=marker
