changeset 59366 | e94df7f6b608 |
parent 56864 | 0446c7ac2e32 |
child 59720 | f893472fff31 |
--- a/src/Pure/Tools/print_operation.scala Wed Jan 14 16:23:33 2015 +0100 +++ b/src/Pure/Tools/print_operation.scala Wed Jan 14 16:27:19 2015 +0100 @@ -10,7 +10,7 @@ object Print_Operation { def print_operations(session: Session): List[(String, String)] = - session.protocol_handler("isabelle.Print_Operation$Handler") match { + session.get_protocol_handler("isabelle.Print_Operation$Handler") match { case Some(handler: Handler) => handler.get case _ => Nil }