MacOS X 10.3, FreeBSD 5.2.1, NetBSD 3.0, IRIX 6.5, OSF/1 5.1, Solaris 9, mingw.
@item
The method to reset options is incompatible on some platforms:
-FreeBSD 6.0, NetBSD 3.0(?), OpenBSD 3.8, Cygwin(?), mingw.
+FreeBSD 6.0, NetBSD 3.0(?), OpenBSD 3.8, Cygwin 1.5.x, mingw.
@item
The function @code{getopt} does not handle a leading @samp{+} character in
the options string on some platforms: