code: private boolean removeComments(DocumentBuilder parser, Document doc) {
          try {
              // Check for the traversal module
              DOMImplementation impl = parser.getDOMImplementation();
              if (!impl.hasFeature("traversal", "2.0")) {
                  // DOM implementation does not support traversal unable to remove comments
                  return false;
              }
  
              Node root = doc.getDocumentElement();
              DocumentTraversal traversable = (DocumentTraversal) doc;
              NodeIterator iterator = traversable.createNodeIterator(root, NodeFilter.SHOW_COMMENT, null, true);
              Node node = null;
              while ((node = iterator.nextNode()) != null) {
                  if (node.getNodeValue().trim().compareTo("Properties") != 0) {
                      root.removeChild(node);
                  }
              }
          } catch (FactoryConfigurationError e) {
              return false;
          }
  
          return true;
      }
docs: Removes all comments from the document except for the Properties comment
  All exceptions are suppressed because this is just a nicety to improve human readability.
  
  @param parser
  @param doc
  @return