1.1 --- a/src/Tools/jEdit/src/jedit/plugin.scala	Mon Sep 06 22:58:06 2010 +0200
     1.2 +++ b/src/Tools/jEdit/src/jedit/plugin.scala	Tue Sep 07 13:16:45 2010 +0200
     1.3 @@ -286,10 +286,9 @@
     1.4      Isabelle.setup_tooltips()
     1.5    }
     1.6  
     1.7 -  override def stop()
     1.8 +  override def stop()  // FIXME fragile
     1.9    {
    1.10      Isabelle.session.stop()  // FIXME dialog!?
    1.11      Isabelle.session = null
    1.12 -    Isabelle.system = null
    1.13    }
    1.14  }