diff -r 4001a6ceb802 -r 91f02f224b80 src/Tools/jEdit/jedit_main/dockables.scala
--- a/src/Tools/jEdit/jedit_main/dockables.scala	Fri Aug 12 12:19:23 2022 +0200
+++ b/src/Tools/jEdit/jedit_main/dockables.scala	Fri Aug 12 12:50:19 2022 +0200
@@ -13,6 +13,9 @@
 class Debugger_Dockable(view: View, position: String)
   extends isabelle.jedit.Debugger_Dockable(view, position)
 
+class Document_Dockable(view: View, position: String)
+  extends isabelle.jedit.Document_Dockable(view, position)
+
 class Documentation_Dockable(view: View, position: String)
   extends isabelle.jedit.Documentation_Dockable(view, position)