Tweak documentation to cover cygwin argz bugs. * m4/argz.m4 (gl_FUNC_ARGZ): Mention date of last known cygwin argz bug fix; no code change needed since no cygwin releases occurred between the last fix and the bug being tested. * doc/glibc-functions/argz_add.texi (argz_add): Document the argz module and recently fixed cygwin bugs. * doc/glibc-functions/argz_add_sep.texi (argz_add_sep): Likewise. * doc/glibc-functions/argz_append.texi (argz_append): Likewise. * doc/glibc-functions/argz_count.texi (argz_count): Likewise. * doc/glibc-functions/argz_create.texi (argz_create): Likewise. * doc/glibc-functions/argz_create_sep.texi (argz_create_sep): Likewise. * doc/glibc-functions/argz_delete.texi (argz_delete): Likewise. * doc/glibc-functions/argz_extract.texi (argz_extract): Likewise. * doc/glibc-functions/argz_insert.texi (argz_insert): Likewise. * doc/glibc-functions/argz_next.texi (argz_next): Likewise. * doc/glibc-functions/argz_replace.texi (argz_replace): Likewise. * doc/glibc-functions/argz_stringify.texi (argz_stringify): Likewise. Signed-off-by: Eric Blake <ebb9@byu.net>

@node argz_stringify
@subsection @code{argz_stringify}
@findex argz_stringify

Gnulib module: argz

Portability problems fixed by Gnulib:
@itemize
@item
This function is missing on some platforms:
MacOS X 10.3, FreeBSD 6.0, NetBSD 3.0, OpenBSD 3.8, AIX 5.1, HP-UX 11,
IRIX 6.5, OSF/1 5.1, Solaris 10, mingw, Interix 3.5, BeOS.

@item
This function is broken on some platforms:
Cygwin 1.5.24.
@end itemize

Portability problems not fixed by Gnulib:
@itemize
@end itemize