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[3.11] gh-95914: Add paragraph about PEP 654 in main body of 'What's New in 3.11' (GH-95937) #95954

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Sep 8, 2022
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[3.11] gh-95914: Add paragraph about PEP 654 in main body of 'What's New in 3.11' (GH-95937) #95954

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21 changes: 19 additions & 2 deletions Doc/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
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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