Move source links to consistent location and remove wordy, big yellow boxes.
diff --git a/Doc/library/ast.rst b/Doc/library/ast.rst
index 9d19771..b5e08cb 100644
--- a/Doc/library/ast.rst
+++ b/Doc/library/ast.rst
@@ -7,6 +7,7 @@
.. sectionauthor:: Martin v. Löwis <martin@v.loewis.de>
.. sectionauthor:: Georg Brandl <georg@python.org>
+**Source code:** :source:`Lib/ast.py`
The :mod:`ast` module helps Python applications to process trees of the Python
abstract syntax grammar. The abstract syntax itself might change with each
@@ -19,9 +20,6 @@
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
------------