case ignore: result = "ignore"; break;
strength2text(enum con_strength strength){	const char *result = "<unknown>";	switch(strength)	{		case must:			result = "must";			break;		case should:			result = "should";			break;		case should_not:			result = "should_not";			break;		case must_not:			result = "must_not";			break;	}	return result;};