diff -r baa09a1c7b15 -r 906fe7f2c052 editors/EditorPanel.py
--- a/editors/EditorPanel.py	Thu May 02 09:41:04 2013 +0200
+++ b/editors/EditorPanel.py	Thu May 02 09:42:14 2013 +0200
@@ -39,7 +39,6 @@
     def _init_ctrls(self, parent):
         wx.SplitterWindow.__init__(self, parent,
               style=wx.SUNKEN_BORDER|wx.SP_3D)
-        self.SetNeedUpdating(True)
         self.SetMinimumPaneSize(1)
         
         self._init_MenuItems()