@Override public void endElement(String uri,String localName,String name){
  final String postorderText=mPostorderTextStack.pop();
  if (postorderText.length() > 0) {
    fixWhiteSpace();
  }
  mOutputBuilder.append(postorderText);
}

@ Override public void endElement ( String uri , String localName , String name ) { final String postorderText = mPostorderTextStack . pop ( ) ; if ( postorderText . length ( ) > 0 ) { fixWhiteSpace ( ) ; } mOutputBuilder . append ( postorderText ) ; }
after the end of an element , get the post - order text from the stack and add it to the output .
