/*
  * @see
  * org.eclipse.dltk.ruby.formatter.node.IFormatterContainerNode#isEmpty()
  */
 public boolean isEmpty() {
   for (IFormatterNode node : body) {
     if (!node.isEmpty()) {
       return false;
     }
   }
   return true;
 }
 protected void acceptNodes(
     final List<IFormatterNode> nodes, IFormatterContext context, IFormatterWriter visitor)
     throws Exception {
   for (IFormatterNode node : nodes) {
     context.enter(node);
     node.accept(context, visitor);
     context.leave(node);
   }
 }