From: Xtreak <tir.karthi@gmail.com>
Date: Wed, 11 Sep 2019 11:21:31 +0000 (+0100)
Subject: bpo-35603: Add a note on difflib table header interpreted as HTML (GH-11439)
X-Git-Tag: v3.9.0a1~562
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=c78dae8d2b890d487e428dce00c7f600612cce7b;p=thirdparty%2FPython%2Fcpython.git

bpo-35603: Add a note on difflib table header interpreted as HTML (GH-11439)
---

diff --git a/Doc/library/difflib.rst b/Doc/library/difflib.rst
index e245ab81cfb9..c2a19dc019bb 100644
--- a/Doc/library/difflib.rst
+++ b/Doc/library/difflib.rst
@@ -127,6 +127,10 @@ diffs. For comparing directories and files, see also, the :mod:`filecmp` module.
       the next difference highlight at the top of the browser without any leading
       context).
 
+      .. note::
+         *fromdesc* and *todesc* are interpreted as unescaped HTML and should be
+         properly escaped while receiving input from untrusted sources.
+
       .. versionchanged:: 3.5
          *charset* keyword-only argument was added.  The default charset of
          HTML document changed from ``'ISO-8859-1'`` to ``'utf-8'``.