From 0abe0129e553be9cfceadaba09e359b3d39c47e7 Mon Sep 17 00:00:00 2001
From: Martin Sievers <martin.sievers@adwmainz.de>
Date: Tue, 23 Jul 2024 16:11:37 +0200
Subject: [PATCH] Fix #173

---
 lni.cls | 4 ++--
 lni.dtx | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/lni.cls b/lni.cls
index 1a98028..dca0ea7 100644
--- a/lni.cls
+++ b/lni.cls
@@ -380,9 +380,9 @@
 \newcommand{\@multiaffil}[1]{%
    \ifcsundef{@emailsandorcids#1}{\csgdef{@emailsandorcids#1}{}}{}%
    \ifcsempty{@emailsandorcids#1}%
-   {\csgappto{@emailsandorcids#1}{%
+   {\protected@csxappto{@emailsandorcids#1}{%
          \if\relax\@currEmail\relax\else\email{\@currEmail}\fi\if\relax\@currOrcid\relax\else,\ \orcid{\@currOrcid}\fi}}%
-   {\csgappto{@emailsandorcids#1}{%
+   {\protected@csxappto{@emailsandorcids#1}{%
          \if\relax\@currEmail\relax\else;\ \email{\@currEmail}\fi\if\relax\@currOrcid\relax\else,\ \orcid{\@currOrcid}\fi}}%
 }
 
diff --git a/lni.dtx b/lni.dtx
index 257f0d4..493892f 100644
--- a/lni.dtx
+++ b/lni.dtx
@@ -1160,9 +1160,9 @@ This work consists of the file  lni.dtx
 \newcommand{\@multiaffil}[1]{%
    \ifcsundef{@emailsandorcids#1}{\csgdef{@emailsandorcids#1}{}}{}%
    \ifcsempty{@emailsandorcids#1}%
-   {\csgappto{@emailsandorcids#1}{%
+   {\protected@csxappto{@emailsandorcids#1}{%
          \if\relax\@currEmail\relax\else\email{\@currEmail}\fi\if\relax\@currOrcid\relax\else,\ \orcid{\@currOrcid}\fi}}%
-   {\csgappto{@emailsandorcids#1}{%
+   {\protected@csxappto{@emailsandorcids#1}{%
          \if\relax\@currEmail\relax\else;\ \email{\@currEmail}\fi\if\relax\@currOrcid\relax\else,\ \orcid{\@currOrcid}\fi}}%
 }