AST_BLOCK         338 core/compile.c     case AST_BLOCK:
AST_BLOCK         785 core/compile.c             if (PN_S(t,2) != PN_NIL && PN_PART(PN_S(t,2)) == AST_BLOCK) {
AST_BLOCK        1038 core/compile.c     case AST_BLOCK: break;