static boolean specification(PsiBuilder b, int l) {
    if (!recursion_guard_(b, l, "specification")) return false;
    boolean r;
    r = name_req(b, l + 1);
    if (!r) r = option(b, l + 1);
    if (!r) r = path_req(b, l + 1);
    if (!r) r = url_req(b, l + 1);
    return r;
  }
static boolean specification(PsiBuilder b, int l)