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-rw-r--r--latex/common.tex9
-rw-r--r--latex/common_packages.tex5
2 files changed, 11 insertions, 3 deletions
diff --git a/latex/common.tex b/latex/common.tex
index 36e7e22d..e6d06d1e 100644
--- a/latex/common.tex
+++ b/latex/common.tex
@@ -23,8 +23,13 @@
\newcommand{\solution}[1]{\iftoggle{lehrerversion}{#1}{\textcolor{white}{#1}}}
\newcommand{\psolution}[1]{\iftoggle{lehrerversion}{#1}{\phantom{#1}}}
-\newcommand{\gap}[1]{\underLine{\solution{#1}}}
-\newcommand{\pgap}[1]{\underLine{\psolution{#1}}}
+\ifluatex
+ \newcommand{\gap}[1]{\underLine{\solution{#1}}}
+ \newcommand{\pgap}[1]{\underLine{\psolution{#1}}}
+\else
+ \newcommand{\gap}[1]{\uline{\solution{#1}}}
+ \newcommand{\pgap}[1]{\uline{\psolution{#1}}}
+\fi
\newcommand{\beTabelle}{%
\centering
diff --git a/latex/common_packages.tex b/latex/common_packages.tex
index 5d52e64c..c789ddc3 100644
--- a/latex/common_packages.tex
+++ b/latex/common_packages.tex
@@ -16,7 +16,10 @@
\RequirePackage{comment}
\RequirePackage[ngerman]{babel}
\RequirePackage{setspace}
-\RequirePackage{lua-ul}
+\RequirePackage{iftex}
+\ifluatex
+ \RequirePackage{lua-ul}
+\fi
\RequirePackage{ulem}
\RequirePackage{array}
\RequirePackage{tabularx}