@section @code{_toupper}
@findex _toupper
-POSIX specification: @url{http://www.opengroup.org/susv3xsh/_toupper.html}
+POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/_toupper.html}
Gnulib module: ---
@itemize
@item
This function is missing on some platforms:
-MacOS X 10.3.
+MacOS X 10.5.
@end itemize