@node tolower
@section @code{tolower}
@findex tolower

POSIX specification: @url{http://www.opengroup.org/susv3xsh/tolower.html}

Gnulib module: ---

Portability problems fixed by Gnulib:
@itemize
@end itemize

Portability problems not fixed by Gnulib:
@itemize
@item
On Windows platforms, @code{wchar_t} is a 16-bit type and therefore cannot
accommodate all Unicode characters.
@end itemize