Added permission definitions for history methods.

lib/python/OFS/History.py

@@ -84,7 +84,7 @@
 ##############################################################################
 """Object Histories"""
 
-__version__='$Revision: 1.3 $'[11:-2]
+__version__='$Revision: 1.4 $'[11:-2]
 
 import Globals, ndiff, ExtensionClass
 from DateTime import DateTime
@@ -158,8 +158,11 @@ class Historical(ExtensionClass.Base):
     HistoricalRevisions=Historian()
 
     __ac_permissions__=(
-        ('Undo changes',
-         ('manage_change_history_page','manage_change_history')),
+        ('View History',
+         ('manage_change_history_page','manage_change_history',
+          'manage_historyCompare', 'manage_historicalComparison',
+          )
+         ),
         )
     
     manage_options=({'label':'History', 'action':'manage_change_history_page',