--- /dev/null
+@node isupper
+@section @code{isupper}
+@findex isupper
+
+POSIX specification: @url{http://www.opengroup.org/susv3xsh/isupper.html}
+
+Gnulib module: ---
+
+Portability problems fixed by Gnulib:
+@itemize
+@end itemize
+
+Portability problems not fixed by Gnulib:
+@itemize
+@end itemize