Provide links to Python source where the code is short, readable and
informative adjunct to the docs. Forward-port of Raymond's r86225 and
r86245 using the new source reST role added in #10334.
diff --git a/Doc/library/ast.rst b/Doc/library/ast.rst
index 66b29e0..a9821e1 100644
--- a/Doc/library/ast.rst
+++ b/Doc/library/ast.rst
@@ -19,6 +19,9 @@
classes all inherit from :class:`ast.AST`. An abstract syntax tree can be
compiled into a Python code object using the built-in :func:`compile` function.
+.. seealso::
+
+ Latest version of the :source:`ast module Python source code <Lib/ast.py>`
Node classes
------------