public override bool Read()
{
  bool status = base.Read();
  if( status )
  {
    if( base.NodeType == XmlNodeType.Element )
    {
      dowrite = false;
      // Got a node with prefix. This must be one of those "<o:p>"
      // or something else.  Skip this node entirely. We want prefix-
      // less nodes so that the resultant XML requires no namespace.
      foreach (string line in AllowedTags)
      {
        if (base.Name == line ||
           (base.Name == "html" && first == false))
        {
            dowrite = true;
            first = true;
        }
      }

      if( base.Name.IndexOf(':') > 0 )
        dowrite=false;

      if(!dowrite)
        base.Skip();
    }
  }
    return status;
}