diff -r a31730632e13 -r e37046b121a2 src/Tools/jEdit/src/state_dockable.scala
--- a/src/Tools/jEdit/src/state_dockable.scala	Sat Nov 21 16:06:36 2015 +0100
+++ b/src/Tools/jEdit/src/state_dockable.scala	Sat Nov 21 16:07:29 2015 +0100
@@ -57,7 +57,7 @@
 
   /* update */
 
-  private var do_update = true
+  private var do_update = false
 
   private def maybe_update(): Unit = GUI_Thread.require { if (do_update) update() }