Update.

Update.

2003-12-21  Jakub Jelinek  <jakub@redhat.com>

	* posix/regcomp.c (duplicate_node, duplicate_node_closure): Revert
	2003-11-24 changes.
	* posix/regexec.c (group_nodes_into_DFAstates): For CHARACTER with
	NEXT_{,NOT}WORD_CONSTRAINT check word_char bit.
	* posix/bug-regex19.c (tests): Add new tests.

	* posix/regexec.c (check_dst_limits_calc_pos): Fix formatting.

	* posix/regcomp.c (parse_dup_op): Return NULL if dup_elem is NULL,
	after checking syntax.  Optimize.
	(calc_first): Fix comment.
	* posix/bug-regex13.c (tests): Add new tests.