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gh-95914: Add paragraph about PEP 654 in main body of 'What's New in 3.11'#95937

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iritkatriel merged 8 commits intopython:mainfromiritkatriel:whatsnew
Aug 13, 2022
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21 changes: 19 additions & 2 deletionsDoc/whatsnew/3.11.rst
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Expand Up@@ -176,8 +176,25 @@ The :option:`-X` ``no_debug_ranges`` option and the environment variable
See :pep:`657` for more details. (Contributed by Pablo Galindo, Batuhan Taskaya
and Ammar Askar in :issue:`43950`.)

Exceptions can be enriched with notes (PEP 678)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

PEP 654: Exception Groups and ``except*``
-----------------------------------------

:pep:`654` introduces language features that enable a program
to raise and handle multiple unrelated exceptions simultaneously.
The builtin types :exc:`ExceptionGroup` and :exc:`BaseExceptionGroup`
make it possible to group exceptions and raise them together,
and the new :keyword:`except* <except_star>` syntax generalizes
:keyword:`except` to match subgroups of exception groups.

See :pep:`654` for more details.

(Contributed by Irit Katriel in :issue:`45292`. PEP written by
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(Contributed by Irit Katriel in:issue:`45292`. PEP written by
(Contributed by Irit Katriel in:gh:`89455`. PEP written by

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This should be done (if at all) in a separate PR where the summary reference to the same issue is updated as well.

I say "if at all" because this is not historically accurate - I did the work under a bpo issue. Are you going to change all references to bpo issues in the docs to the gh issues they were mapped to?

Irit Katriel, Yury Selivanov and Guido van Rossum.)


PEP 678: Exceptions can be enriched with notes
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The :meth:`add_note` method was added to :exc:`BaseException`. It can be
used to enrich exceptions with context information which is not available
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