* language.h (PRINT_LITERAL_FORM): New macro that takes character

	* language.h (PRINT_LITERAL_FORM):  New macro that takes character
	and decides if it should be printed in literal form or some other
	form, based on it's ASCII value and setting of sevenbit_strings.
	* {c-exp.y, m2-exp.y} (emit_char):  Use new PRINT_LITERAL_FORM
	macro, change indentation style.
	**** start-sanitize-chill ****
	* ch-exp.y (chill_printchar):  Use new PRINT_LITERAL_FORM macro.
	* ch-exp.y (chill_printstr):  First cut at real function instead
	of error stub.
	**** end-sanitize-chill ****