Add mention of features added in 2.4 and thus to be avoided in 2.3 .

Also make all lines 70 characters or less.

pep-0291.txt

@@ -58,19 +58,24 @@ Features to Avoid
         -------    -----------------
           1.5.2    string methods, Unicode, list comprehensions, 
                    augmented assignment (eg, +=), zip(), import x as y,
-                   dict.setdefault(), print >> f, calling f(*args, **kw),
-                   plus all features below
+                   dict.setdefault(), print >> f,
+		   calling f(*args, **kw), plus all features below
 
-          2.0      nested scopes, rich comparisons, function attributes,
-                   plus all features below
+          2.0      nested scopes, rich comparisons,
+	           function attributes, plus all features below
 
           2.1      use of object or new-style classes, iterators, 
                    using generators, nested scopes, or //
                    without from __future__ import ... statement,
                    plus all features below
 
-          2.2      bool, True, False, basestring, enumerate(), {}.pop(),
-                   PendingDeprecationWarning, Universal Newlines
+          2.2      bool, True, False, basestring, enumerate(),
+	           {}.pop(), PendingDeprecationWarning,
+		   Universal Newlines, plus all features below
+
+	  2.3      generator expressions, multi-line imports,
+	           decorators, int/long unification, set/frozenset,
+		   reversed(), sorted(), "".rsplit()
 
 
 Backward Compatible Packages, Modules, and Tools