LOGICAL_NOT_EXPRESSION  244 create.c           exp = crb_alloc_expression(LOGICAL_NOT_EXPRESSION);
LOGICAL_NOT_EXPRESSION  350 eval.c             case LOGICAL_NOT_EXPRESSION:	/* FALLTHRU */
LOGICAL_NOT_EXPRESSION  430 eval.c             case LOGICAL_NOT_EXPRESSION:	/* FALLTHRU */
LOGICAL_NOT_EXPRESSION 1515 eval.c             case LOGICAL_NOT_EXPRESSION: