bpo-40939: Document removal of the old parser in 3.10 whatsnew (GH-23321)
Automerge-Triggered-By: GH:lysnikolaou
diff --git a/Doc/whatsnew/3.10.rst b/Doc/whatsnew/3.10.rst
index b8e6843..87ba2e8 100644
--- a/Doc/whatsnew/3.10.rst
+++ b/Doc/whatsnew/3.10.rst
@@ -376,6 +376,16 @@
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
======================