[docs] [issue36675] Doctest directives and comments missing from code samples

[Roundup Robot]

Change by Roundup Robot <devnull at psf.upfronthosting.co.za>:


----------
keywords: +patch
pull_requests: +13038
stage: needs patch -> patch review

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue36675>
_______________________________________