RFA: document macro support

[Jim Blandy]

"Eli Zaretskii" <eliz@is.elta.co.il> writes:

> > Date: Tue, 14 May 2002 17:27:03 -0400
> > From: Andrew Cagney <ac131313@cygnus.com>
> > 
> > + @example
> > 
> > Btw, that should be @smallexample.
> 
> True; but in this case, the lines are so short that it doesn't
> matter, I think.

If you want me to change it, I'll be happy to do so.  The lines in the
examples do generally seem short, though.