Sun May  7 00:38:59 MDT 2006
  main.c, version.c:  add options -? (or --help) that print out
pointers to usage documentation and -v (or --version) that print
the current version.
  fc script:  fix botch with -O[123]; recognize --version (or -v)
and --help (or -?).
  Add f2c.pdf == PDF version of f2c.ps.
