Index: Misc/ACKS
===================================================================
--- Misc/ACKS	(revision 88262)
+++ Misc/ACKS	(working copy)
@@ -957,3 +957,4 @@
 Kai Zhu
 Tarek Ziadé
 Peter Åstrand
+Cédric Krier
Index: Lib/doctest.py
===================================================================
--- Lib/doctest.py	(revision 88262)
+++ Lib/doctest.py	(working copy)
@@ -2199,6 +2199,16 @@
     def id(self):
         return self._dt_test.name
 
+    def __eq__(self, other):
+        if type(self) is not type(other):
+            return NotImplemented
+
+        return hash(self) == hash(other)
+
+    def __hash__(self):
+        return hash((type(self), self._dt_test, self._dt_optionflags,
+                     self._dt_setUp, self._dt_tearDown, self._dt_checker))
+
     def __repr__(self):
         name = self._dt_test.name.split('.')
         return "%s (%s)" % (name[-1], '.'.join(name[:-1]))