--- /dev/null
+@node towlower
+@section @code{towlower}
+@findex towlower
+
+POSIX specification: @url{http://www.opengroup.org/susv3xsh/towlower.html}
+
+Gnulib module: ---
+
+Portability problems fixed by Gnulib:
+@itemize
+@end itemize
+
+Portability problems not fixed by Gnulib:
+@itemize
+@item
+This function is missing on some platforms:
+Solaris 2.5.1.
+@end itemize