Bump actions/checkout from 3 to 4 (#3883)

[etc/vim.git] / src / blib2to3 / README

diff --git a/src/blib2to3/README b/src/blib2to3/README
index a43f15cb37dbae9fa88904ad7b70ec97d0474fb3..38b04158ddb70070110e5047aab88bb9009ea003 100644 (file)
--- a/src/blib2to3/README
+++ b/src/blib2to3/README
@@ -1,16 +1,24 @@
-A subset of lib2to3 taken from Python 3.7.0b2.
-Commit hash: 9c17e3a1987004b8bcfbe423953aad84493a7984
+A subset of lib2to3 taken from Python 3.7.0b2. Commit hash:
+9c17e3a1987004b8bcfbe423953aad84493a7984
 
 Reasons for forking:
+
 - consistent handling of f-strings for users of Python < 3.6.2
-- backport of BPO-33064 that fixes parsing files with trailing commas after
-  *args and **kwargs
-- backport of GH-6143 that restores the ability to reformat legacy usage of
-  `async`
+- backport of BPO-33064 that fixes parsing files with trailing commas after \*args and
+  \*\*kwargs
+- backport of GH-6143 that restores the ability to reformat legacy usage of `async`
 - support all types of string literals
 - better ability to debug (better reprs)
 - INDENT and DEDENT don't hold whitespace and comment prefixes
 - ability to Cythonize
 
 Change Log:
-- Changes default logger used by Driver
\ No newline at end of file
+
+- Changes default logger used by Driver
+- Backported the following upstream parser changes:
+  - "bpo-42381: Allow walrus in set literals and set comprehensions (GH-23332)"
+    https://github.com/python/cpython/commit/cae60187cf7a7b26281d012e1952fafe4e2e97e9
+  - "bpo-42316: Allow unparenthesized walrus operator in indexes (GH-23317)"
+    https://github.com/python/cpython/commit/b0aba1fcdc3da952698d99aec2334faa79a8b68c
+- Tweaks to help mypyc compile faster code (including inlining type information,
+  "Final-ing", etc.)