merge from 3.4

Issue16544 - Add a link to an external documentation resource in ast module docs.

merge from 3.4
Issue16544 - Add a link to an external documentation resource in ast module docs.
0deaf9ac · Senthil Kumaran · 1469d744 · f3695bfa · 0deaf9ac
Commit 0deaf9ac authored Jan 06, 2016 by Senthil Kumaran
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Doc/library/ast.rst Doc/library/ast.rst +5 -0

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--- a/Doc/library/ast.rst
+++ b/Doc/library/ast.rst
@@ -249,3 +249,8 @@ and classes for traversing abstract syntax trees:
   wanted *annotate_fields* must be set to ``False``.  Attributes such as line
   numbers and column offsets are not dumped by default.  If this is wanted,
   *include_attributes* can be set to ``True``.
+.. seealso::
+    `Green Tree Snakes <https://greentreesnakes.readthedocs.org/>`_, an external documentation resource, has good
+    details on working with Python ASTs.