public static boolean IPv6address(PsiBuilder b, int l) {
    if (!recursion_guard_(b, l, "IPv6address")) return false;
    boolean r;
    Marker m = enter_section_(b, l, _NONE_, I_PV_6_ADDRESS, "<i pv 6 address>");
    r = IPv6address_0(b, l + 1);
    if (!r) r = IPv6address_1(b, l + 1);
    if (!r) r = IPv6address_2(b, l + 1);
    if (!r) r = IPv6address_3(b, l + 1);
    if (!r) r = IPv6address_4(b, l + 1);
    if (!r) r = IPv6address_5(b, l + 1);
    if (!r) r = IPv6address_6(b, l + 1);
    if (!r) r = IPv6address_7(b, l + 1);
    if (!r) r = IPv6address_8(b, l + 1);
    exit_section_(b, l, m, r, false, null);
    return r;
  }
public static boolean IPv6address(PsiBuilder b, int l)