757 	char *walker;  in chop_var()  local
761 	walker = lhs = buffer;  in chop_var()
762 	while (is_id_char(*walker))  in chop_var()
763 		walker++;  in chop_var()
764 	if (*walker != '=')  in chop_var()
766 	walker++;		// skip =  in chop_var()
767 	if (*walker == '"') {  in chop_var()
768 		walker++;	// skip "  in chop_var()
769 		rhs = walker;  in chop_var()
770 		while (*walker && *walker != '"') {  in chop_var()
773 			if (*walker == '\\' && walker[1] == '"')  in chop_var()
774 				walker++;  in chop_var()
775 			walker++;  in chop_var()
777 		if (*walker != '"')  in chop_var()
780 		*walker++ = '\0';  in chop_var()
782 		rhs = walker;  in chop_var()
783 		while (*walker && !isspace(*walker))  in chop_var()
784 			walker++;  in chop_var()
785 		if (*walker != '\0')  in chop_var()
786 			*walker++ = '\0';  in chop_var()
789 	while (isspace(*walker))  in chop_var()
790 		walker++;  in chop_var()
791 	buffer = walker;  in chop_var()