INDEX_EXPRESSION  216 create.c           exp = crb_alloc_expression(INDEX_EXPRESSION);
INDEX_EXPRESSION  191 eval.c             } else if (expr->type == INDEX_EXPRESSION) {
INDEX_EXPRESSION  304 eval.c             case INDEX_EXPRESSION:	/* FALLTHRU */
INDEX_EXPRESSION  380 eval.c             case INDEX_EXPRESSION:	/* FALLTHRU */
INDEX_EXPRESSION  875 eval.c             case INDEX_EXPRESSION: