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/inspect.rst b/Doc/library/inspect.rst
index 850ff08..e05618e 100644
--- a/Doc/library/inspect.rst
+++ b/Doc/library/inspect.rst
@@ -1,4 +1,3 @@
-
:mod:`inspect` --- Inspect live objects
=======================================
@@ -10,6 +9,10 @@
.. versionadded:: 2.1
+**Source code:** :source:`Lib/inspect.py`
+
+--------------
+
The :mod:`inspect` module provides several useful functions to help get
information about live objects such as modules, classes, methods, functions,
tracebacks, frame objects, and code objects. For example, it can help you