use the serializable attribute instead of java....

use the serializable attribute instead of java.io.Serializable

1 files changed, 2 insertions, 2 deletions

diff --git a/src/library/scala/collection/immutable/Tree.scala b/src/library/scala/collection/immutable/Tree.scala
index 5aa4312027..9fdabce5cf 100644
--- a/src/library/scala/collection/immutable/Tree.scala
+++ b/src/library/scala/collection/immutable/Tree.scala
@@ -223,8 +223,8 @@ private case class INode[A <% Ordered[A],B](t1: GBTree[A,B],
 /**
 *  GBTree is an internal class used by Tree.
 */
-//[serializable]
-protected abstract class GBTree[A <% Ordered[A],B] extends AnyRef with java.io.Serializable {
+[serializable]
+protected abstract class GBTree[A <% Ordered[A],B] extends AnyRef {
   type aNode = GBTree[A,B];
   type anInsertTree = InsertTree[A,B];