> The patch is attached.

Sigh... With the patch, this time. Sorry.

> Changelog:
> 
> aclocal.m4
>         - add check for mbsrtowc.
> 
> config.h.in
>         - regenerate.
> 
> rlmbutil.h
>         - make sure mbsrtowc is available before enabling multibyte support.

-- 
Joel