Update warn-for-py3k list after review of py3k changelist.

pep-0361.txt

@@ -102,6 +102,7 @@ Possible features for 2.6
       * float args to PyArgs_ParseTuple
       * float args to xrange
       * coerce and all its friends
+      * comparing by default comparison
       * __cmp__?
       * other comparison changes?
       * int division?
@@ -110,9 +111,18 @@ Possible features for 2.6
       * using zip() result as a list
       * input()
       * apply()
-      * xreadlines
+      * reduce()
+      * the exec statement (use function syntax)
+      * file.xreadlines
       * function attributes that start with func_* (should use __*__)
       * softspace removal for print() function
+      * the L prefix for long literals
+      * removal of the sets module
+      * renaming of __nonzero__ to __bool__
+      * multiple inheritance with classic classes? (MRO might change)
+      * properties and classic classes? (instance attrs shadow property)
+
+    - use __bool__ method if available and there's no __nonzero__
 
     - with/as will be keywords