1 files changed, 5 insertions, 5 deletions
diff --git a/src/compiler/scala/tools/nsc/interpreter/session/History.scala b/src/compiler/scala/tools/nsc/interpreter/session/History.scala
index b727a0494f..daa05b86db 100644
--- a/src/compiler/scala/tools/nsc/interpreter/session/History.scala
+++ b/src/compiler/scala/tools/nsc/interpreter/session/History.scala
@@ -14,15 +14,15 @@ trait History {
   def asStrings: List[String]
   def index: Int
   def size: Int
-  // def grep(s: String): List[String]
+  def grep(s: String): List[String]
 }
 object NoHistory extends History {
   def asStrings       = Nil
-  // def grep(s: String) = Nil
+  def grep(s: String) = Nil
   def index           = 0
   def size            = 0
 }
 
-// object History {
-//   def empty: History = NoHistory
-// }
+object History {
+  def empty: History = NoHistory
+}