From 0deaf23252bdc274bd79fd2f504aab26178f743a Mon Sep 17 00:00:00 2001
From: Serhiy Storchaka <storchaka@gmail.com>
Date: Sun, 2 Aug 2026 08:49:20 +0300
Subject: [PATCH] gh-89024: Document the 3.10 change in escaping the csv
 escapechar

Add a versionchanged note for the escapechar itself being escaped.
---
 Doc/library/csv.rst | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Doc/library/csv.rst b/Doc/library/csv.rst
index 81949261c563d04..af22ecaac93d8ce 100644
--- a/Doc/library/csv.rst
+++ b/Doc/library/csv.rst
@@ -481,6 +481,10 @@ 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.