public static boolean redirection(PsiBuilder b, int l) {
    if (!recursion_guard_(b, l, "redirection")) return false;
    boolean r;
    Marker m = enter_section_(b, l, _NONE_, REDIRECTION, "<redirection>");
    r = redirection_inner(b, l + 1);
    if (!r) r = redirection_1(b, l + 1);
    if (!r) r = redirection_2(b, l + 1);
    if (!r) r = process_substitution(b, l + 1);
    exit_section_(b, l, m, r, false, null);
    return r;
  }
public static boolean redirection(PsiBuilder b, int l)