Backport source links from 3.x.
Existing links have been updated to use the new reST role. In some
files, I have also made cosmetic changes to the header.
diff --git a/Doc/library/sched.rst b/Doc/library/sched.rst
index 1efe47a..824df04 100644
--- a/Doc/library/sched.rst
+++ b/Doc/library/sched.rst
@@ -7,14 +7,13 @@
.. index:: single: event scheduling
+**Source code:** :source:`Lib/sched.py`
+
+--------------
+
The :mod:`sched` module defines a class which implements a general purpose event
scheduler:
-.. seealso::
-
- Latest version of the `sched module Python source code
- <http://svn.python.org/view/python/branches/release27-maint/Lib/sched.py?view=markup>`_
-
.. class:: scheduler(timefunc, delayfunc)
The :class:`scheduler` class defines a generic interface to scheduling events.