code: @Override
    public void addOpeningTag(String tagName, Map attributes)
    {
      _xml.addXML(_indent.toString());
      _xml.addOpeningTag(tagName, attributes);
      _xml.addXML("\n");
      _indent.inc();
    }
docs: Adds an opening tag which contains the attributes specified. All the
  properties will be turned into attributes.
  
  @param tagName the name of the opening tag to add
  @param attributes the attributes