this.xml.put(padding + "  ");
  private void _writeBasicStemHeader(Stem stem, String padding)     throws  IOException  {    this.xml.puts();    this.xml.put(padding);    this.xml.puts("<!--" + stem.getName() + "-->");    this.xml.put(padding);    this.xml.puts(      "<stem extension='" + this._fixXmlAttribute(stem.getExtension()) + "'"    );    this.xml.put(padding);    this.xml.put("      ");    this.xml.puts(      "displayExtension='" + this._fixXmlAttribute(stem.getDisplayExtension()) + "'"    );    this.xml.put(padding);    this.xml.put("      ");    this.xml.puts("name='" + this._fixXmlAttribute(stem.getName()) + "'");    this.xml.put(padding);    this.xml.put("      ");    this.xml.puts(      "displayName='" + this._fixXmlAttribute(stem.getDisplayName()) + "'"    );    this.xml.put(padding);    this.xml.put("      ");    this.xml.puts("id='" + this._fixXmlAttribute(stem.getUuid()) + "'>");    this.xml.put(padding + "  ");    this.xml.puts(      "<description>" + this._fixXmlAttribute(stem.getDescription()) + "</description>"    );  } // private void _writeBasicStemHeader(stem, padding)