From df79a39b3713970384415283a899d31271f6afc8 Mon Sep 17 00:00:00 2001
From: Ulrike Fischer <fischer@troubleshooting-tex.de>
Date: Sun, 1 May 2022 17:20:27 +0200
Subject: [PATCH] use ifcsname

---
 hyperref.dtx | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/hyperref.dtx b/hyperref.dtx
index f8e32f7..ba1ca91 100644
--- a/hyperref.dtx
+++ b/hyperref.dtx
@@ -12679,9 +12679,7 @@
 %    \begin{macrocode}
 \let\HyRef@ShowKeysRef\@gobble
 \def\HyRef@ShowKeysInit{%
-  \begingroup\expandafter\expandafter\expandafter\endgroup
-  \expandafter\ifx\csname SK@@label\endcsname\relax
-  \else
+  \ifcsname SK@@label\endcsname
     \ifx\SK@ref\@empty
     \else
       \def\HyRef@ShowKeysRef{%