https://github.com/python/cpython/commit/421bd1770a87d141f66754ae29e407589e44ce83
commit: 421bd1770a87d141f66754ae29e407589e44ce83
branch: main
author: Muneeb Ullah <[email protected]>
committer: encukou <[email protected]>
date: 2026-01-15T09:22:01+01:00
summary:

gh-143834: Fix PyLong_AsNativeBytes docs for negative number padding  
(GH-143840)

files:
M Doc/c-api/long.rst

diff --git a/Doc/c-api/long.rst b/Doc/c-api/long.rst
index 6834c872c8cfcd..ed9b37dc1721f2 100644
--- a/Doc/c-api/long.rst
+++ b/Doc/c-api/long.rst
@@ -453,8 +453,8 @@ distinguished from a number.  Use :c:func:`PyErr_Occurred` 
to disambiguate.
 
    Otherwise, returns the number of bytes required to store the value.
    If this is equal to or less than *n_bytes*, the entire value was copied.
-   All *n_bytes* of the buffer are written: large buffers are padded with
-   zeroes.
+   All *n_bytes* of the buffer are written: remaining bytes filled by
+   copies of the sign bit.
 
    If the returned value is greater than *n_bytes*, the value was
    truncated: as many of the lowest bits of the value as could fit are written,

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