linux-kernel - [PATCH] docs: kdoc: Fix pdfdocs build for tools

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Message-ID: <1a60aea3155a2e7c5e7bb004952739652407fb8c.1769233717.git.mchehab+huawei@kernel.org>
Date: Sat, 24 Jan 2026 06:48:41 +0100
From: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To: Linux Doc Mailing List <linux-doc@...r.kernel.org>
Cc: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
	linux-kernel@...r.kernel.org,
	Jonathan Corbet <corbet@....net>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	Randy Dunlap <rdunlap@...radead.org>,
	Akira Yokosawa <akiyks@...il.com>
Subject: [PATCH] docs: kdoc: Fix pdfdocs build for tools

the "\1" inside a docstring requires proper scaping to not be
considered a hex character and break the build.

Reported-by: Akira Yokosawa <akiyks@...il.com>
Closes: https://lore.kernel.org/linux-doc/63e99049-cc72-4156-83af-414fdde34312@gmail.com/
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
---
 tools/lib/python/kdoc/kdoc_re.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/lib/python/kdoc/kdoc_re.py b/tools/lib/python/kdoc/kdoc_re.py
index 2816bd9f90f8..dae5a9136fbf 100644
--- a/tools/lib/python/kdoc/kdoc_re.py
+++ b/tools/lib/python/kdoc/kdoc_re.py
@@ -228,7 +228,7 @@ class NestedMatch:
             yield line[t[0]:t[2]]
 
     def sub(self, regex, sub, line, count=0):
-        """
+        r"""
         This is similar to re.sub:
 
         It matches a regex that it is followed by a delimiter,
-- 
2.52.0