! $eterna: backward_history,v 1.6 2002/08/29 10:24:37 mrg Exp $ ! ! Copyright (c) 1990-2002 Michael Sandrof, Troy Rollo, Matthew Green, ! and other ircII contributors. ! ! All rights reserved. See the HELP IRCII COPYRIGHT file for more ! information. ! Usage: BIND BACKWARD_HISTORY Replaces the contents of the input buffer with the previous command in the command history buffer. The command history buffer is a circular buffer that wraps at the end.