BOOLEAN_EXPRESSION  190 create.c       	expr.type = BOOLEAN_EXPRESSION;
BOOLEAN_EXPRESSION  316 create.c           exp = crb_alloc_expression(BOOLEAN_EXPRESSION);
BOOLEAN_EXPRESSION  285 eval.c             case BOOLEAN_EXPRESSION:	/* FALLTHRU */
BOOLEAN_EXPRESSION  372 eval.c             case BOOLEAN_EXPRESSION:	/* FALLTHRU */
BOOLEAN_EXPRESSION 1352 eval.c             case BOOLEAN_EXPRESSION: