2001-01-31  Morten Welinder  <terra@diku.dk>

	* src/search.c (search_replace_verify): For regexps, validate the
 	replacement string.
	(search_replace_compile): Detect whether replacement text is
 	literal (modulo case of letters).

	* src/commands.c (cmd_search_replace): Take a wbcg so we can pop
 	up dialogs.
	(cmd_search_replace_do_cell): Implement "Fail" error mode.


2001-01-31  Morten Welinder  <terra@diku.dk>

	* check-header-guards: Certain file names are exceptions no matter
 	what directory they are in.