[rfa] Add ``Maintenance Commands'' appendix

[Eli Zaretskii]

> Date: Wed, 16 Jan 2002 10:40:56 -0500
> From: Andrew Cagney <ac131313@cygnus.com>
> 
> Ah.  Don't forget we're (I'm?) ment to be replacing that with makeinfo 
> 4.something.somethingextra.

Yes, the latest version of Texinfo 4.0d (available from
alpha.gnu.org) supports split-HTML mode, so we could switch.  In that
case, @anchor is certainly an option.