Leave a comment explaining ReplPrinter is ignored under -Yrepl-class-based

Author: dwijnand

test/files/run/repl-printer-classbased.check

@@ -35,6 +35,8 @@ showReplPrinter: [A](implicit z: Show[A])scala.tools.nsc.interpreter.ReplPrinter
 
 scala> 
 
+scala> // the lack of ! after 23 is expected because we don't enable custom string under -Yrepl-class-based
+
 scala> 23
 res1: Int = 23
 

test/files/run/repl-printer-classbased.scala

@@ -24,6 +24,7 @@ implicit def showReplPrinter[A](implicit z: Show[A]): ReplPrinter[A] = new ReplP
   }
 }
 
+// the lack of ! after 23 is expected because we don't enable custom string under -Yrepl-class-based
 23
 """
 }