Add sys.exc_clear for removal

pep-3100.txt

@@ -218,6 +218,8 @@ To be removed:
 * ``sys.exc_type``, ``sys.exc_values``, ``sys.exc_traceback``:
   not thread-safe; use ``sys.exc_info()`` or an attribute
   of the exception [2]_ [11]_ [#sys-module]_
+* ``sys.exc_clear``: Python 3's except statements provide the same
+  functionality [24]_ [#pep3110]_ [#sys-module]_
 * ``array.read``, ``array.write`` [#array-module]_
 * ``operator.isCallable`` : ``callable()`` built-in is being removed
   [#operator-module]_
@@ -312,6 +314,9 @@ References
 
 .. [23] python-3000 email ("__nonzero__ vs. __bool__")
    http://mail.python.org/pipermail/python-3000/2006-November/004524.html
+   
+.. [24] python-3000 email ("Pre-peps on raise and except changes")
+   http://mail.python.org/pipermail/python-3000/2007-February/005672.html
 
 .. [#sys-module] Python docs (sys -- System-specific parameters and functions)
    http://docs.python.org/lib/module-sys.html
@@ -363,6 +368,9 @@ References
 
 .. [#pep3107] PEP 3107 (Function Annotations)
    http://www.python.org/dev/peps/pep-3107
+   
+.. [#pep3110] PEP 3110 (Catching Exceptions in Python 3000)
+   http://www.python.org/dev/peps/pep-3110/#semantic-changes
 
 
 Copyright