2002-12-17  Morten Welinder  <terra@diku.dk>

	* src/gutils.c (gnm_strunescape): New function.

	* src/parser.y (yylex): Handle error constants that don't end in
	"!", such as "#NAME?".  Catch unterminated error tokens.  Return
	token CONSTANT for errors.
	(find_matching_close): Use gnm_strunescape.
	(find_char): Delete.

	* src/value.c (value_get_as_gstring): Use untranslated error
	messages when requested.