@item
The function @code{getopt_long_only} does not support options with
optional arguments on some platforms:
-MacOS X 10.5, OpenBSD 4.0, AIX 5.2, Solaris 10, Cygwin 1.5.x.
+MacOS X 10.5, OpenBSD 4.0, AIX 5.2, Solaris 11 2010-11, Cygwin 1.5.x.
@item
This function is missing on some platforms:
MacOS X 10.3, FreeBSD 5.2.1, NetBSD 5.0, AIX 5.1, HP-UX 11, IRIX 6.5,