[issue22591] Drop support of MS-DOS

[Roundup Robot]

Roundup Robot added the comment:

New changeset a1605d2508af by Victor Stinner in branch 'default':
Issue #22591: Drop support of MS-DOS
https://hg.python.org/cpython/rev/a1605d2508af

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nosy: +python-dev

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue22591>
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