code: public boolean canOverrideAttributes() {
          Attr att = node.getAttributeNode(Constants.ATT_EDIT_ALLOWED);
  
          if (att == null) return true;
          return att.getNodeValue().equals("true");
      }
docs: Returns true if an attribute can be modified for a node. This is based on a single
  dlm:editAllowed attribute for nodes in fragments. If not included then edits to node
  attributes are allowed. If included with a value other than true then edits are prevented.
  
  @param name
  @return