[docs] [issue26638] Avoid warnings about missing CLI options when building documentation

[Roundup Robot]

Roundup Robot added the comment:

New changeset 3996dd17ca21 by Martin Panter in branch '3.5':
Issue #26638: Don’t link 2to3 -l option to the tarfile -l option
https://hg.python.org/cpython/rev/3996dd17ca21

New changeset d7cbaaba59e8 by Martin Panter in branch 'default':
Issue #26638: Merge CLI link fix from 3.5
https://hg.python.org/cpython/rev/d7cbaaba59e8

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue26638>
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