Update PEP 360 to record the change in ElementTree's status, and tweak the header to make it appear in the Historical PEP section

pep-0360.txt

@@ -3,8 +3,8 @@ Title: Externally Maintained Packages
 Version: $Revision$
 Last-Modified: $Date$
 Author: Brett Cannon <brett@python.org>
-Status: Active
-Type: Informational
+Status: Final
+Type: Process
 Content-Type: text/x-rst
 Created: 30-May-2006
 Post-History:
@@ -13,7 +13,7 @@ Post-History:
 .. warning:: No new modules are to be added to this PEP.  It has been
              deemed dangerous to codify external maintenance of any
              code checked into Python's code repository.  Code
-             contributers should expect Python's development
+             contributors should expect Python's development
              methodology to be used for any and all code checked into
              Python's code repository.
 
@@ -66,11 +66,8 @@ ElementTree
 :Contact person:
     Fredrik Lundh
 
-Patches should not be directly applied to Python HEAD, but instead
-reported to the Python tracker [#python-tracker]_ (critical bug fixes
-are the exception).  Bugs should also be reported to the Python
-tracker.  Both bugs and patches should be assigned to Fredrik Lundh.
-
+Fredrik has ceded ElementTree maintenance to the core Python development
+team [#element-tree]_. 
 
 Expat XML parser
 ----------------
@@ -83,6 +80,7 @@ Expat XML parser
 :Contact person:
     None
 
+
 Optik
 -----
 
@@ -93,7 +91,9 @@ Optik
 :Contact person:
     Greg Ward
 
-External development seems to have ceased.
+External development seems to have ceased. For new applications, optparse
+itself has been largely superseded by argparse.
+
 
 wsgiref
 -------
@@ -104,16 +104,16 @@ wsgiref
 :Contact Person:
     Phillip J. Eby
 
-Bugs and patches should pass through the Web-SIG mailing list [#web-sig]_
-before being applied to HEAD. External maintenance seems to have
-ceased.
+This module is maintained in the standard library, but significant bug
+reports and patches should pass through the Web-SIG mailing list
+[#web-sig]_ for discussion.
 
 
 References
 ==========
 
-.. [#python-tracker] Python tracker
-   (http://sourceforge.net/tracker/?group_id=5470)
+.. [#element-tree] Fredrik's handing over of ElementTree
+   (http://mail.python.org/pipermail/python-dev/2012-February/116389.html)
 
 .. [#web-sig] Web-SIG mailing list
    (http://mail.python.org/mailman/listinfo/web-sig)