public static boolean doc_reference(PsiBuilder b, int l) {
    if (!recursion_guard_(b, l, "doc_reference")) return false;
    boolean r;
    Marker m = enter_section_(b, l, _COLLAPSE_, CODE_REFERENCE, "<doc reference>");
    r = short_code_reference(b, l + 1);
    r = r && doc_reference_1(b, l + 1);
    exit_section_(b, l, m, r, false, null);
    return r;
  }
public static boolean doc_reference(PsiBuilder b, int l)