gh-151914: Copyedit "What's New in Python 3.16"

Doc/whatsnew/3.16.rst

@@ -3,7 +3,7 @@
   What's new in Python 3.16
 ****************************
 
-:Editor: TBD
+:Editor: Savannah Ostrowski
 
 .. Rules for maintenance:
 
@@ -56,16 +56,13 @@ For full details, see the :ref:`changelog <changelog>`.
    so it's worth checking back even after reading earlier versions.
 
 
-Summary --- release highlights
-==============================
+Summary -- Release highlights
+=============================
 
 .. This section singles out the most important changes in Python 3.16.
    Brevity is key.
 
 
-.. PEP-sized items next.
-
-
 
 New features
 ============
@@ -121,6 +118,7 @@ asyncio
   socket file created for *path*.
   (Contributed by Sam Bull in :gh:`94984`.)
 
+
 bz2
 ---
 
@@ -129,6 +127,7 @@ bz2
   the version of the bzip2 compression library in use.
   (Contributed by Serhiy Storchaka in :gh:`117404`.)
 
+
 codecs
 ------
 
@@ -139,6 +138,7 @@ codecs
   even when a built-in codec of the same name exists.
   (Contributed by Serhiy Storchaka in :gh:`152997`.)
 
+
 compression.zstd
 ----------------
 
@@ -148,12 +148,13 @@ compression.zstd
   :const:`~compression.zstd.zstd_version_info` is now a named tuple.
   (Contributed by Serhiy Storchaka in :gh:`117404`.)
 
+
 concurrent.futures
 ------------------
 
 * The iterator returned by :meth:`concurrent.futures.Executor.map` is no longer
   automatically closed if a function call raises an exception.
-  Use method :meth:`!close` to explicitly close the iterator.
+  Use the :meth:`!close` method to explicitly close the iterator.
   (Contributed by xzmeng and Serhiy Storchaka in :gh:`108518`.)
 
 
@@ -332,16 +333,6 @@ curses
   (Contributed by Serhiy Storchaka in :gh:`133031`.)
 
 
-decimal
--------
-
-* Added constants :const:`~decimal.LIBMPDEC_VERSION`,
-  :const:`~decimal.libmpdec_version`, :const:`~decimal.LIBMPDEC_VERSION_INFO`,
-  and :const:`~decimal.libmpdec_version_info` in the C implementation,
-  which provide information about the version of the libmpdec library in use.
-  (Contributed by Serhiy Storchaka in :gh:`157475`.)
-
-
 dbm.gnu
 -------
 
@@ -365,14 +356,23 @@ dbm.ndbm
   (Contributed by Serhiy Storchaka in :gh:`157480`.)
 
 
+decimal
+-------
+
+* Added constants :const:`~decimal.LIBMPDEC_VERSION`,
+  :const:`~decimal.libmpdec_version`, :const:`~decimal.LIBMPDEC_VERSION_INFO`,
+  and :const:`~decimal.libmpdec_version_info` in the C implementation,
+  which provide information about the version of the libmpdec library in use.
+  (Contributed by Serhiy Storchaka in :gh:`157475`.)
+
+
 difflib
 -------
 
-* Expose optional ``autojunk`` parameter from :class:`difflib.SequenceMatcher`
-  to public functions and class methods in :mod:`difflib`,
-  allowing to modify behavior of automatic junk heuristic in this module
-  in higher public class methods and functions.
-  (Contributed by Tomasz Kazimierczak in :gh:`118150`)
+* Expose the optional *autojunk* parameter of :class:`difflib.SequenceMatcher`
+  in public functions and class methods in :mod:`difflib`, allowing callers
+  to control the automatic junk heuristic.
+  (Contributed by Tomasz Kazimierczak in :gh:`118150`.)
 
 
 encodings
@@ -543,16 +543,6 @@ pydoc
   (Contributed by Serhiy Storchaka in :gh:`153906`.)
 
 
-readline
---------
-
-* Added constants :const:`~readline.READLINE_VERSION_INFO`,
-  :const:`~readline.readline_version_info` and
-  :const:`~readline.readline_version`, which provide information about
-  the version of the Readline library in use.
-  (Contributed by Serhiy Storchaka in :gh:`157485`.)
-
-
 re
 --
 
@@ -572,6 +562,16 @@ re
   (Contributed by Serhiy Storchaka in :gh:`95555`.)
 
 
+readline
+--------
+
+* Added constants :const:`~readline.READLINE_VERSION_INFO`,
+  :const:`~readline.readline_version_info` and
+  :const:`~readline.readline_version`, which provide information about
+  the version of the Readline library in use.
+  (Contributed by Serhiy Storchaka in :gh:`157485`.)
+
+
 shlex
 -----
 
@@ -593,7 +593,7 @@ sqlite3
 -------
 
 * :class:`sqlite3.Blob` now supports negative-step slices for reading and
-  writing (e.g. ``blob[9:0:-2]``).  Previously, such slices would raise
+  writing (for example, ``blob[9:0:-2]``).  Previously, such slices would raise
   :exc:`SystemError` or :exc:`ValueError`.
   (Contributed by Jiseok CHOI in :gh:`150449`.)
 
@@ -618,7 +618,7 @@ symtable
 --------
 
 * :func:`symtable.symtable` now accepts an AST object,
-  like the builtin :func:`compile`.
+  like the built-in :func:`compile`.
   (Contributed by Serhiy Storchaka in :gh:`153844`.)
 
 * Inlined list, set and dict comprehensions (:pep:`709`) are now represented
@@ -780,6 +780,7 @@ unicodedata
 
 * The Unicode database has been updated to Unicode 18.0.0.
 
+
 xml
 ---
 
@@ -849,6 +850,7 @@ xml
   :const:`~xml.parsers.expat.version_info` is now a named tuple.
   (Contributed by Serhiy Storchaka in :gh:`157473`.)
 
+
 zipfile
 -------
 
@@ -858,6 +860,7 @@ zipfile
   by the local file entries of removed members.
   (Contributed by Danny Lin in :gh:`51067`.)
 
+
 zlib
 ----
 
@@ -1118,9 +1121,9 @@ that may require changes to your code.
 Build changes
 =============
 
-* Remove the bundled copy of the libmpdec_ decimal library from the CPython source tree
-  to simplify maintenance and updates. The :mod:`decimal` module will now
-  unconditionally use the system's libmpdec decimal library. Also remove the
+* Remove the bundled copy of the libmpdec_ decimal library from the CPython
+  source tree to simplify maintenance and updates. The :mod:`decimal` module
+  will now unconditionally use the system's libmpdec decimal library. Also remove the
   now unused :option:`!--with-system-libmpdec` :program:`configure` flag.
   This change has no impact on binary releases of Python, which have been
   built against a separate copy of libmpdec for the past several releases.