From: Sergey B Kirpichev <skirpichev@gmail.com>
Date: Wed, 11 Mar 2026 13:25:24 +0000 (+0300)
Subject: gh-99875: Document rounding mode for old-style formatting (#126382)
X-Git-Tag: v3.15.0a8~354
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=ce1abaf9b83f8535749c6d3d0a0fabf15d87079f;p=thirdparty%2FPython%2Fcpython.git

gh-99875: Document rounding mode for old-style formatting (#126382)
---

diff --git a/Doc/library/stdtypes.rst b/Doc/library/stdtypes.rst
index a70bda47da6f..6b55daa9b6ea 100644
--- a/Doc/library/stdtypes.rst
+++ b/Doc/library/stdtypes.rst
@@ -3202,6 +3202,10 @@ The conversion types are:
 |            | character in the result.                            |       |
 +------------+-----------------------------------------------------+-------+
 
+For floating-point formats, the result should be correctly rounded to a given
+precision ``p`` of digits after the decimal point.  The rounding mode matches
+that of the :func:`round` builtin.
+
 Notes:
 
 (1)