public static boolean doc_reference_tail(PsiBuilder b, int l) {
    if (!recursion_guard_(b, l, "doc_reference_tail")) return false;
    if (!nextTokenIs(b, T_DOT)) return false;
    boolean r;
    Marker m = enter_section_(b, l, _LEFT_, CODE_REFERENCE, null);
    r = consumeToken(b, T_DOT);
    r = r && code_reference_part(b, l + 1);
    exit_section_(b, l, m, r, false, null);
    return r;
  }
public static boolean doc_reference_tail(PsiBuilder b, int l)