From 6a23fcec5620f3d14bd3cc4f2ae103e0c856b4b6 Mon Sep 17 00:00:00 2001
From: Joseph Wright <joseph.wright@morningstar2.co.uk>
Date: Tue, 13 Dec 2016 07:01:13 +0000
Subject: [PATCH] Slightly clearer code

Part of the 'update to a code standard' project.
---
 base/beamerbaseverbatim.sty | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/base/beamerbaseverbatim.sty b/base/beamerbaseverbatim.sty
index 1568b775..bf54a2b8 100644
--- a/base/beamerbaseverbatim.sty
+++ b/base/beamerbaseverbatim.sty
@@ -36,7 +36,9 @@
   }
 }
 
-{\catcode`\^^M=12\endlinechar=-1%
+\begingroup
+  \catcode`\^^M=12 %
+  \endlinechar=-1 %
   \long\gdef\beamer@processframefirstline#1#2^^M{%
     \def\beamer@test{#1#2}%
     \ifx\beamer@test\beamer@stopframefirst%
@@ -67,7 +69,7 @@
     \fi%
     \next%
   }%
-}
+\endgroup
 
 \def\beamer@setupstoppers#1{%
   {