public static boolean hexdig(PsiBuilder b, int l) {
    if (!recursion_guard_(b, l, "hexdig")) return false;
    boolean r;
    Marker m = enter_section_(b, l, _NONE_, HEXDIG, "<hexdig>");
    r = consumeToken(b, DIGIT);
    if (!r) r = consumeToken(b, "a");
    if (!r) r = consumeToken(b, "A");
    if (!r) r = consumeToken(b, "b");
    if (!r) r = consumeToken(b, "B");
    if (!r) r = consumeToken(b, "c");
    if (!r) r = consumeToken(b, "C");
    if (!r) r = consumeToken(b, "d");
    if (!r) r = consumeToken(b, "D");
    if (!r) r = consumeToken(b, "e");
    if (!r) r = consumeToken(b, "E");
    if (!r) r = consumeToken(b, "f");
    if (!r) r = consumeToken(b, "F");
    exit_section_(b, l, m, r, false, null);
    return r;
  }
public static boolean hexdig(PsiBuilder b, int l)