private void Reset(int newListId) {
   posBldr.Init();
   curSymLen = 0;
   prvSymAry = Bry_.Empty;
   dd_chk = false;
   listId = newListId;
 }
  public int MakeTkn_bgn(
      Xop_ctx ctx,
      Xop_tkn_mkr tkn_mkr,
      Xop_root_tkn root,
      byte[] src,
      int src_len,
      int bgn_pos,
      int cur_pos) { // REF.MW: Parser|doBlockLevels
    if (bgn_pos == Xop_parser_.Doc_bgn_bos) bgn_pos = 0; // do not allow -1 pos

    // pop hdr if exists; EX: \n== a ==\n*b; \n* needs to close hdr
    int acsPos = ctx.Stack_idx_typ(Xop_tkn_itm_.Tid_hdr);
    if (acsPos != -1)
      ctx.Stack_pop_til(root, src, acsPos, true, bgn_pos, cur_pos, Xop_tkn_itm_.Tid_list);

    // close apos
    ctx.Apos().End_frame(ctx, root, src, bgn_pos, false);
    byte symByt =
        src[
            cur_pos
                - 1]; // -1 b/c symByt is byte before curByt; EX: \n*a; cur_pos is at a; want to get
    // *
    int prvSymLen = curSymLen;
    cur_pos = SymAry_fill(src, cur_pos, src_len, symByt);
    symByt =
        src[
            cur_pos
                - 1]; // NOTE: get symByt again b/c cur_pos may have changed; EX: "#*"; # may have
    // triggered list, but last symByt should be *
    if (SymAry_fill_overflow) return ctx.Lxr_make_txt_(cur_pos);
    PrvItm_compare();
    ctx.Para()
        .Process_block__bgn__nl_w_symbol(
            ctx,
            root,
            src,
            bgn_pos,
            cur_pos - 1,
            Xop_xnde_tag_
                .Tag__li); // -1 b/c cur_pos includes sym_byte; EX: \n*; pass li; should pass
    // correct tag, but for purposes of para_wkr, <li> doesn't matter
    if (prvSymMatch) {
      PopTil(ctx, tkn_mkr, root, src, src_len, bgn_pos, cur_pos, Bool_.N_byte);
      posBldr.MoveNext();
      prvSymAry = Xop_list_wkr_.MakeSymAry(curSymAry, curSymLen);
      Xop_list_tkn prvItm =
          tkn_mkr.List_bgn(bgn_pos, cur_pos, curSymAry[curSymLen - 1], curSymLen)
              .List_path_(posBldr.XtoIntAry())
              .List_uid_(listId);
      ctx.Subs_add_and_stack(root, prvItm);
      ctx.Empty_ignored_y_();
    } else {
      for (int i = prvSymLen; i > commonSymLen; i--) { // close all discontinued itms: EX: ##\n#\n
        PopTil(ctx, tkn_mkr, root, src, src_len, bgn_pos, cur_pos, Bool_.Y_byte);
        posBldr.MoveUp();
      }
      if (commonSymLen == 0 && prvSymLen != 0) { // nothing in common; reset list
        listId++;
        posBldr.Init();
      }
      if (curSymLen == commonSymLen) { // add another itm if continuing; EX: #\n#\n
        PopTil(ctx, tkn_mkr, root, src, src_len, bgn_pos, cur_pos, Bool_.N_byte);
        if ((prvSymLen - curSymLen)
                > 0 // moving up many levels; do not open new list; just MoveNext; EX: #1\n###3\n##2
            && curSymLen
                != 1) { // do not moveNext if at level 1; this has to do with strange incrementing
          // logic in posBldr at rootLvl
          posBldr.MoveNext();
        } else {
          posBldr.MoveUp();
          posBldr.MoveDown();
        }
        prvSymAry = Xop_list_wkr_.MakeSymAry(curSymAry, curSymLen);
        symByt = src[cur_pos - 1];
        Xop_list_tkn prvItm =
            tkn_mkr.List_bgn(bgn_pos, cur_pos, symByt, curSymLen)
                .List_path_(posBldr.XtoIntAry())
                .List_uid_(listId);
        ctx.Subs_add_and_stack(root, prvItm);
        ctx.Empty_ignored_y_();
      }
      for (int i = commonSymLen; i < curSymLen; i++) { // open new itms; EX: #\n##\n
        posBldr.MoveDown();
        symByt = curSymAry[i];
        prvSymAry = Xop_list_wkr_.MakeSymAry(curSymAry, curSymLen);
        Xop_list_tkn prvItm =
            tkn_mkr.List_bgn(bgn_pos, cur_pos, symByt, i + List_adp_.Base1)
                .List_path_(posBldr.XtoIntAry())
                .List_uid_(listId);
        ctx.Subs_add_and_stack(root, prvItm);
        ctx.Empty_ignored_y_();
      }
    }
    if (allDd
        && cur_pos < src_len - 2
        && src[cur_pos] == '{'
        && src[cur_pos + 1] == '|') // NOTE: if indent && next == {| then invoke table; EX: ":::{|"
    return ctx.Tblw()
          .Make_tkn_bgn(
              ctx,
              tkn_mkr,
              root,
              src,
              src_len,
              cur_pos,
              cur_pos + 2,
              false,
              Xop_tblw_wkr.Tblw_type_tb,
              Xop_tblw_wkr.Called_from_list,
              -1,
              -1); // NOTE: ws_enabled must be set to true; see test for Adinkras; Cato the Elder
    else {
      dd_chk = symByt == Xop_list_tkn_.List_itmTyp_dt;
      return cur_pos;
    }
  }
 public boolean List_dirty() {
   return posBldr.Dirty();
 }