BOOLEAN_EXPRESSION  201 create.c       	expr.type = BOOLEAN_EXPRESSION;
BOOLEAN_EXPRESSION  327 create.c           exp = crb_alloc_expression(BOOLEAN_EXPRESSION);
BOOLEAN_EXPRESSION  317 eval.c             case BOOLEAN_EXPRESSION:	/* FALLTHRU */
BOOLEAN_EXPRESSION  405 eval.c             case BOOLEAN_EXPRESSION:	/* FALLTHRU */
BOOLEAN_EXPRESSION 1636 eval.c             case BOOLEAN_EXPRESSION: