/* 'mxmlSetUserData()' - Set the user data pointer for a node. */
int mxmlSetUserData(mxml_node_t *node, void *data)
/* 'mxmlSetUserData()' - Set the user data pointer for a node. */
int mxmlSetUserData(mxml_node_t *node, void *data)
{
  if (!node)
    return (-1);
  node->user_data = data;
  return (0);
}