This document describes the changes made to the erl_docgen application.

## Erl_Docgen 0.7.3

### Fixed Bugs and Malfunctions

Update makefile so db_funcs.xsl is a part of the installed application.

Own Id: OTP-15091

## Erl_Docgen 0.7.2

### Fixed Bugs and Malfunctions

The style for code, warning and note tags in the pdf have been changed so they look like the html version.
The spacing around code blocks have been changed for both html and pdf so it's the same regardless if the user have a newline after the start tag (or before the end tag) or not.

Own Id: OTP-14674

## Erl_Docgen 0.7.1

### Improvements and New Features

General Unicode improvements.

Own Id: OTP-14462

## Erl_Docgen 0.7

### Fixed Bugs and Malfunctions

Sort index of C functions alphabetically in the sidebar.

Own Id: OTP-14333 Aux Id: ERL-393

The right side index of functions now handle functions with same name but different arity.

Own Id: OTP-14431

### Improvements and New Features

Improvements in the OTP documentation style.

(Thanks to Mariano Guerra)

Own Id: OTP-14371 Aux Id: PR-1215

## Erl_Docgen 0.6.1

### Fixed Bugs and Malfunctions

Docgen would previously emit "utf8" as the default encoding in xml. This has now been remedied by emitting the correct string "UTF-8" instead.

Own Id: OTP-13971

## Erl_Docgen 0.6

### Improvements and New Features

Improve types and specs in OTP documentation generated from Erlang source files.

Own Id: OTP-13720 Aux Id: ERL-120

## Erl_Docgen 0.5

### Fixed Bugs and Malfunctions

Generate HTML anchors for data types without name attribute.

Own Id: OTP-13600 Aux Id: Jira: ERL-141

Updated make rules so it's possible to use the xmllint target for checking the system documentation.
Removed usage of non defined DTD tag (output) from the system documentation and corrected a number of xml faults.

Added support for quote tag and a new level of header formatting in erl_docgen.

A fault when generating html for manual set markers for section headings is corrected so now is the title visible after hyperlink jump.

Own Id: OTP-13638

Corrected the space handling for the seealso tag.

Own Id: OTP-13639

### Improvements and New Features

Sort the modules function index alphabetically.

Own Id: OTP-13668 Aux Id: PR-543

## Erl_Docgen 0.4.2

### Fixed Bugs and Malfunctions

Correctly generate anno tags for maps keys

Own Id: OTP-12955

## Erl_Docgen 0.4.1

### Improvements and New Features

Updated the xmllint target to just check the xml files with real documentation content.
Corrected some errors and added some missing target in the DTD's.

Own Id: OTP-13026

## Erl_Docgen 0.4

### Improvements and New Features

Add possibility to add extra information on documentation front pages.

Own Id: OTP-12722

## Erl_Docgen 0.3.7

### Fixed Bugs and Malfunctions

Maps: Properly align union typed assoc values in documentation

Own Id: OTP-12190

## Erl_Docgen 0.3.6

### Fixed Bugs and Malfunctions

Fix spec to doc generation from erl_docgen and edoc for maps

Own Id: OTP-12058

## Erl_Docgen 0.3.5

### Fixed Bugs and Malfunctions

Application upgrade (appup) files are corrected for the following applications:

asn1, common_test, compiler, crypto, debugger, dialyzer, edoc, eldap, erl_docgen, et, eunit, gs, hipe, inets, observer, odbc, os_mon, otp_mibs, parsetools, percept, public_key, reltool, runtime_tools, ssh, syntax_tools, test_server, tools, typer, webtool, wx, xmerl

A new test utility for testing appup files is added to test_server. This is now used by most applications in OTP.

(Thanks to Tobias Schlager)

Own Id: OTP-11744

### Improvements and New Features

Handle map types in docgen_edoc_xml_cb

Own Id: OTP-11776

## Erl_Docgen 0.3.4.1

### Improvements and New Features

The encoding of the notes.xml file has been changed from latin1 to utf-8 to avoid future merge problems.

Own Id: OTP-11310

## Erl_Docgen 0.3.4

### Fixed Bugs and Malfunctions

Correct a PDF indentation bug for tagged lists in tagged lists and added some missing tags to the DTD.

Own Id: OTP-10725

### Improvements and New Features

Support for Unicode has been implemented.

Own Id: OTP-10302

Where necessary a comment stating encoding has been added to Erlang files. The comment is meant to be removed in Erlang/OTP R17B when UTF-8 becomes the default encoding.

Own Id: OTP-10630

Some examples overflowing the width of PDF pages have been corrected.

Own Id: OTP-10665

## Erl_Docgen 0.3.3

### Improvements and New Features

A possibility to configure erl_docgen so it can generate documentation for other products than Erlang/OTP.

Own Id: OTP-9040

## Erl_Docgen 0.3.2

### Fixed Bugs and Malfunctions

A bug regarding spaces in C function prototypes has been fixed. (Thanks to Richard O'Keefe.)

Own Id: OTP-10138

## Erl_Docgen 0.3.1

### Fixed Bugs and Malfunctions

Some links in C libraries were not generated correctly. This bug has been fixed.

Own Id: OTP-9832

Set `font-family: Courier, monospace' in OTP doc CSS

left Courier as the primary original font and also added monospace as secondary for people which in Linux does not have it installed.

Also adds minor cosmetic changes to the CSS. (Thanks to Ricardo Catalinas Jiménez)

Own Id: OTP-9918

When generating from edoc it is now possible to use ranges in specs and <img> tags in the description.

Own Id: OTP-9970

### Improvements and New Features

Optimize and improve handling of multiple func:s.

Own Id: OTP-9877

The generation of the libraries' HTML documentation has been optimized.

Own Id: OTP-9893

## Erl_Docgen 0.3

### Fixed Bugs and Malfunctions

Bug fixes concerning the generation of manpages.

Own Id: OTP-9614

Fix syntax bug in eix files.

Own Id: OTP-9617

Bug fix concerning the generation of manpages.

Own Id: OTP-9759

Fixed an arity calculation bug for erlang functions in the documentation index for html and pdf.

Own Id: OTP-9772

### Improvements and New Features

The docbuilder application is removed in R15 and parts still used in the OTP documentation build process and the DTD documentation is moved to erl_docgen.

Own Id: OTP-9721

## Erl_Docgen 0.2.6

### Fixed Bugs and Malfunctions

Bug fixes.

Own Id: OTP-9360

The manpage generation has been improved.

Own Id: OTP-9541 Aux Id: OTP-9550

Fix eix file generation for new function spec references.

Own Id: OTP-9562

The function signatures in the pdf files was not in a fixed font.

Own Id: OTP-9563

The parts level in the system documentation was missing in the bookmarks menu for the pdf and the copyright year generation for PDF was not correct.

Own Id: OTP-9576

The indentation after Warning: and Note: in manpages has been improved.

Own Id: OTP-9588

## Erl_Docgen 0.2.5

### Improvements and New Features

The support for using Erlang specifications and types has been improved.

Own Id: OTP-9261

## erl_docgen 0.2.4

### Fixed Bugs and Malfunctions

Subsections below level 2 where not handled correct when generating html and pdf.

Own Id: OTP-90730

## erl_docgen 0.2.3

### Fixed Bugs and Malfunctions

Fix format_man_pages so it handles all man sections and remove warnings/errors in various man pages.

Own Id: OTP-8600

### Improvements and New Features

Support for using Dialyzer specifications and types has been added. This is an experimental release; changes are expected before the new functionality is used when building the OTP documentation.

Own Id: OTP-8720

## erl_docgen 0.2.2

### Fixed Bugs and Malfunctions

Fixed the transformation from xml to html of the funcs block in comref pages.

Own Id: OTP-8792

## erl_docgen 0.2.1

### Fixed Bugs and Malfunctions

The text within code examples (CODE and PRE tags) will not be space normalized for man pages.

Own Id: OTP-8476

## erl_docgen 0.2

### Improvements and New Features

Added an xsl transform from OTP xml documentation to a file (.eix) of erlang terms that can be read by the erldoc application. Erldoc handles the documentation search mechanism at erlang.org. Added generation of eix files to otp_release_targets.mk. Fixed a copyright date error in db_html.xsl .

Own Id: OTP-8308

The documentation is now possible to build in an open source environment after a number of bugs are fixed and some features are added in the documentation build process.

- The arity calculation is updated.

- The module prefix used in the function names for bif's are removed in the generated links so the links will look like "http://www.erlang.org/doc/man/erlang.html#append_element-2" instead of "http://www.erlang.org/doc/man/erlang.html#erlang:append_element-2".

- Enhanced the menu positioning in the html documentation when a new page is loaded.

- A number of corrections in the generation of man pages (thanks to Sergei Golovan)

- The legal notice is taken from the xml book file so OTP's build process can be used for non OTP applications.

Own Id: OTP-8343

## erl_docgen 0.1

### Improvements and new features

This is the first release of erl_docgen for internal use.