From f97b8754d4888ebacb44dfb748561ced2277e9b7 Mon Sep 17 00:00:00 2001
From: Walther Neuper <neuper@neuper.(none)>
Date: Mon, 14 Dec 2009 13:49:18 +0000
Subject: other minors

---
diff --git a/ReckonPrimer.activity/display.py b/ReckonPrimer.activity/display.py
index 55fd6af..bed71e9 100755
--- a/ReckonPrimer.activity/display.py
+++ b/ReckonPrimer.activity/display.py
@@ -21,9 +21,10 @@ class Display:
     def __init__(self, window):        
         self._permanent_gui_elements(window)
         self.errors = 0
-        self._ex = None
+        self._ex = None        # WN091214 ???
+        self._ex_key = None    # 
         self._sett = None      # setting updated by callbacks during input
-        self.running = False   # first round of calculations
+        self.running = False   # first round of calculations WN091214 ???
 
     def register(self, sess, co, learner):
         """register _after_ Session and Coach have been instantiated"""
--
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