From 924b0f30395f7861b7de27c2536280bde66de29a Mon Sep 17 00:00:00 2001
From: Burak Emir <emir@epfl.ch>
Date: Tue, 11 Oct 2005 19:42:31 +0000
Subject: NodeBuffer + => &+

added methods to Null
---
 sources/scala/xml/NodeBuffer.scala | 4 ++--
 sources/scala/xml/Null.scala       | 3 +++
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/sources/scala/xml/NodeBuffer.scala b/sources/scala/xml/NodeBuffer.scala
index 23495f22b9..008dc85249 100644
--- a/sources/scala/xml/NodeBuffer.scala
+++ b/sources/scala/xml/NodeBuffer.scala
@@ -32,13 +32,13 @@ class NodeBuffer extends scala.collection.mutable.ArrayBuffer[Node] {
    *
    * @param n
    */
-  def +(o: Any): NodeBuffer = {
+  def &+(o: Any): NodeBuffer = {
     o match {
       case n:Node     => super.+(n);
       case ns:Iterable[AnyRef] =>
         val it = ns.elements;
         while(it.hasNext) {
-          this.+(it.next)
+          this &+ it.next;
         }
       case _          => super.+(Text(o.toString()));
     }
diff --git a/sources/scala/xml/Null.scala b/sources/scala/xml/Null.scala
index fb2019c1e3..5790a2fdfd 100644
--- a/sources/scala/xml/Null.scala
+++ b/sources/scala/xml/Null.scala
@@ -20,6 +20,9 @@ case object Null extends MetaData {
   /** returns its argument */
   def copy(next: MetaData) = next;
 
+
+  override def elements = Iterator.empty[MetaData];
+
   override def filter(f: MetaData => Boolean): MetaData = this;
 
   /** returns null */
-- 
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