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I recently encountered an issue with the \mu-sign in siunitx while working on my thesis. Compiling the following code

\documentclass[10pt,a4paper]{article}
\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{makeidx}
\usepackage{graphicx}
\usepackage{siunitx}
\usepackage{mathdesign}
\begin{document}
    Hello World

\SI{100}{\micro\meter}=\SI{100000}{\nano\meter}

$1\mu=1000$



\end{document}

with pdflatex gives

enter image description here

but when compiling the same code with lualatex I get

enter image description here

If I remove mathdesign I do not have those issues. What is mathdesign doing to change \mu to a ƫ, and how can I fix it?

arc_lupus
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  • mathdesign switches to T1 encoding and so is not suitable for lualatex. – Ulrike Fischer Jan 03 '22 at 10:00
  • Is there an alternative to mathdesign I can use, or force mathdesign to switch to T1? I'm trying to adapt a given template from pdflatex to lualatex. – arc_lupus Jan 03 '22 at 10:01
  • well depends why you use mathdesign. Basically you should setup the fonts with fontspec and unicode-math in lualatex. – Ulrike Fischer Jan 03 '22 at 10:03
  • A quick-and-likely-dirty fix would to revert to version 2 of siunitx by executing \usepackage{siunitx}[=v2]. – Mico Jan 03 '22 at 10:55
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    @Mico no, that would cure only one symptom. But the document would still use T1 encoding and you would get problems in other places. Better would be to load fontspec after mathdesign, but the best is to really analyse which fonts are wanted and to setup them correctly. – Ulrike Fischer Jan 03 '22 at 11:25

0 Answers0