[latex3-commits] [latex3/latex2e] tag-graphics: correct natbib case (698ddba8)

[github at latex-project.org]

Repository : https://github.com/latex3/latex2e
On branch  : tag-graphics
Link       : https://github.com/latex3/latex2e/commit/698ddba8306bf244e2ff5310ad814f50d6613f0e

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commit 698ddba8306bf244e2ff5310ad814f50d6613f0e
Author: Ulrike Fischer <fischer at troubleshooting-tex.de>
Date:   Sun May 21 20:04:16 2023 +0200

    correct natbib case


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698ddba8306bf244e2ff5310ad814f50d6613f0e
 required/latex-lab/latex-lab-bib.dtx | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/required/latex-lab/latex-lab-bib.dtx b/required/latex-lab/latex-lab-bib.dtx
index d9ad2ff2..11c425b4 100644
--- a/required/latex-lab/latex-lab-bib.dtx
+++ b/required/latex-lab/latex-lab-bib.dtx
@@ -215,9 +215,10 @@
 %    \begin{macrocode}
    \@ifpackagelater{hyperref}{2023-05-01}{}
     {
-      \let\@lbibitem\@kernel at copy@lbibitem
-      \let\@bibitem\@kernel at copy@bibitem
-      \let\bibcite\@kernel at copy@bibcite
+      \@ifpackageloaded{natbib}{}
+       {\let\@lbibitem\@kernel at copy@lbibitem
+        \let\@bibitem\@kernel at copy@bibitem
+        \let\bibcite\@kernel at copy@bibcite}
     }
    \AddToHookWithArguments{bibcite/before}{\hyper at linkstart{cite}{cite.#1\@extra at b@citeb}}
    \AddToHookWithArguments{bibcite/after}{\hyper at linkend}