@node wchar.h
@section @file{wchar.h}
-POSIX specification: @url{http://www.opengroup.org/susv3xbd/wchar.h.html}
+POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/basedefs/wchar.h.html}
Gnulib module: wchar
Portability problems not fixed by Gnulib:
@itemize
+@item
+This header file leads to link errors and endless recursions or endless loops
+on some platforms:
+glibc version 2.5 or older, together with gcc version 4.3 or newer and the
+option @samp{-std=c99} or @samp{-std=gnu99}.
@end itemize