This is a revision of a patch originally from 1999:
http://sources.redhat.com/ml/gdb-patches/1999-q2/msg00093.html

I'm not sure if the patch in top.c does anything, since I don't
know when/if readline is called from command_line_input.

OK to check in? With or without the top.c change?
-- 
	--Per Bothner
per@bothner.com   http://www.bothner.com/per/