static boolean paren_list_inner(PsiBuilder b, int l, Parser _item) {
    if (!recursion_guard_(b, l, "paren_list_inner")) return false;
    boolean r;
    Marker m = enter_section_(b);
    r = paren_list_item(b, l + 1, _item);
    r = r && paren_list_inner_1(b, l + 1, _item);
    exit_section_(b, m, null, r);
    return r;
  }
static boolean paren_list_inner(PsiBuilder b, int l, Parser _item)