org.linkedin.util-core/src/main/java/org/linkedin/util/xml/XMLIndent.java
@Override
  public void addEmptyTag(String tagName)
  {
    _xml.addXML(_indent.toString());
    _xml.addEmptyTag(tagName);
    _xml.addXML("\n");
  }
@Override
  public void addEmptyTag(String tagName)
  {
    _xml.addXML(_indent.toString());
    _xml.addEmptyTag(tagName);
    _xml.addXML("\n");
  }
Adds an empty tag

@param tagName the name of the empty tag to add