From 45a42fecadd1c9e0ef4a02ae6ae25d90f25d5e18 Mon Sep 17 00:00:00 2001
From: Serhiy Storchaka <storchaka@gmail.com>
Date: Thu, 13 Aug 2026 13:05:33 +0300
Subject: [PATCH] gh-89024: Document the 3.10 change in escaping the csv
 escapechar (GH-155067)

Add a versionchanged note for the escapechar itself being escaped.
(cherry picked from commit a697faf45077f7fb24edf4f2f75b8aa09d873dcd)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
---
 Doc/library/csv.rst | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Doc/library/csv.rst b/Doc/library/csv.rst
index 64065a75917af83..e782e61cb6eb031 100644
--- a/Doc/library/csv.rst
+++ b/Doc/library/csv.rst
@@ -466,6 +466,10 @@ Dialects support the following attributes:
    On reading, the *escapechar* removes any special meaning from
    the following character. It defaults to :const:`None`, which disables escaping.
 
+   .. versionchanged:: 3.10
+      Previously the *escapechar* itself was not escaped,
+      which lost it on reading.
+
    .. versionchanged:: 3.11
       An empty *escapechar* is not allowed.