# HG changeset patch
# User Gregory Szorc <gregory.szorc@gmail.com>
# Date 2019-02-04 17:00:52
# Node ID 7a90ff8cd14c51c5a0c8cda41e0814e14a25304b
# Parent  47c92f8ed128d773a8dd9a7aa4e0c710de523969

crecord: use raw string for regular expression

\s emits a SyntaxWarning in Python 3.8. Use a raw string to
avoid escaping the \.

Differential Revision: https://phab.mercurial-scm.org/D5819

diff --git a/mercurial/crecord.py b/mercurial/crecord.py
--- a/mercurial/crecord.py
+++ b/mercurial/crecord.py
@@ -1799,6 +1799,7 @@ are you sure you want to review/edit and
                 break
 
         if self.commenttext != "":
-            whitespaceremoved = re.sub("(?m)^\s.*(\n|$)", "", self.commenttext)
+            whitespaceremoved = re.sub(br"(?m)^\s.*(\n|$)", b"",
+                                       self.commenttext)
             if whitespaceremoved != "":
                 self.opts['message'] = self.commenttext