[docs] [issue33726] Add short descriptions to PEP references in seealso

[Raymond Hettinger]

Raymond Hettinger <raymond.hettinger at gmail.com> added the comment:

My personal opinion is that the PEP title should suffice and that a person can click the link for more detail.

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nosy: +rhettinger

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue33726>
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