Update.

Update.

	* posix/regcomp.c (parse_bracket_exp): Don't check for range if
	this is no option given the first token.

	* posix/regcomp.c (parse_bracket_exp): Fix test for EOS after
	hyphen in range expression.  Return EBRACK in this case.

	* posix/regcomp.c (parse_bracket_element): Reject hyphens unless
	we expect them or it's the last element in the bracket expression.
	Indicated by new parameter.  Adjust all callers.

	Prettier error messages.