docs: private void _emitMarkedLines (final MarkdownHCStack aOut, final Line aLines)
    {
      final StringBuilder aIn = new StringBuilder ();
      Line aLine = aLines;
      while (aLine != null)
      {
        if (!aLine.m_bIsEmpty)
        {
          aIn.append (aLine.m_sValue.substring (aLine.m_nLeading, aLine.m_sValue.length () - aLine.m_nTrailing));
          if (aLine.m_nTrailing >= 2 && !m_bConvertNewline2Br)
            aIn.append ("<br />");
        }
        if (aLine.m_aNext != null)
        {
          aIn.append ('\n');
          if (m_bConvertNewline2Br)
            aIn.append ("<br />");
        }
        aLine = aLine.m_aNext;
      }
  
      _recursiveEmitLine (aOut, aIn.toString (), 0, EMarkToken.NONE);
    }