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bpo-40939: Document removal of the old parser in 3.10 whatsnew #23321

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bpo-40939: Document removal of the old parser in 3.10 whatsnew #23321

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10 changes: 10 additions & 0 deletions Doc/whatsnew/3.10.rst
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Expand Up @@ -376,6 +376,16 @@ Removed
moved to the internal C API.
(Contributed by Victor Stinner in :issue:`42157`.)

* Removed the ``parser`` module, which was deprecated in 3.9 due to the
switch to the new PEG parser, as well as all the C source and header files
that were only being used by the old parser, including ``node.h``, ``parser.h``,
``graminit.h`` and ``grammar.h``.

* Removed the Public C API functions :c:func:`PyParser_SimpleParseStringFlags`,
:c:func:`PyParser_SimpleParseStringFlagsFilename`,
:c:func:`PyParser_SimpleParseFileFlags` and :c:func:`PyNode_Compile`
that were deprecated in 3.9 due to the switch to the new PEG parser.


Porting to Python 3.10
======================
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