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/pipes.rst b/Doc/library/pipes.rst
index 1f2b2ff..016a720 100644
--- a/Doc/library/pipes.rst
+++ b/Doc/library/pipes.rst
@@ -1,4 +1,3 @@
-
:mod:`pipes` --- Interface to shell pipelines
=============================================
@@ -7,6 +6,9 @@
:synopsis: A Python interface to Unix shell pipelines.
.. sectionauthor:: Moshe Zadka <moshez@zadka.site.co.il>
+**Source code:** :source:`Lib/pipes.py`
+
+--------------
The :mod:`pipes` module defines a class to abstract the concept of a *pipeline*
--- a sequence of converters from one file to another.