switch(charType) {
            case T_BLN: 	/* blank characters 	*/
            case T_SPC: 	/* special characters 	*/
            case T_SYM: 	/* symbolic characters 	*/
            case T_CTK: 	/* control characters 	*/
                switch( (char)unicode ) {
                    case '+':
//                  case '.':
//                  case ',':
                        break;
                    default:
                        *len -= charOffset;
                        ++*strPtr;
                        goto escape_loop;
                }
                break;
            default:
                break;
        }