MINUS_EXPRESSION  244 create.c       	exp = crb_alloc_expression(MINUS_EXPRESSION);
MINUS_EXPRESSION  370 eval.c             case MINUS_EXPRESSION:	/* FALLTHRU */
MINUS_EXPRESSION  450 eval.c             case MINUS_EXPRESSION:		/* FALLTHRU */
MINUS_EXPRESSION 1681 eval.c             case MINUS_EXPRESSION:
MINUS_EXPRESSION  240 util.c             case MINUS_EXPRESSION:	/* FALLTHRU */