This comes out of the recent discussion on gdb@:
http://sourceware.org/ml/gdb/2005-11/msg00282.html

gdb/doc/ChangeLog:
2005-11-15  Jim Blandy  <jimb@redhat.com>

	* gdb.texinfo (Packets): Clarify lack of restrictions on behavior
	of stub when processing an 'm' packet.