[docs] [issue9056] Adding additional level of bookmarks and section numbers in python pdf documents.

[Cheryl Sabella]

Change by Cheryl Sabella <cheryl.sabella at gmail.com>:


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keywords: +patch
pull_requests: +9026
stage: needs patch -> patch review

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue9056>
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