Looking into it, it seems the following section:<div><br /></div><div>$if(babel-lang)$<br />\babelprovide[main,import]{$babel-lang$}<br />$if(mainfont)$<br />\ifPDFTeX<br />\else<br />\babelfont{rm}[$for(mainfontoptions)$$mainfontoptions$$sep$,$endfor$]{$mainfont$}<br />\fi<br />$endif$<br />$endif$<br /><br /></div><div>Is expanded to:</div><div><br /></div><div>\babelprovide[main,import]{swedish}<br />\ifPDFTeX<br />\else<br />\babelfont[swedish]{rm}{Minion Pro}<br />\fi<br /></div><div><br /></div><div>While, at the same time, `mainfontoptions` is correctly expanded with setmainfont:</div><div><br /></div><div>  % xetex/luatex font selection<br />$if(mainfont)$<br />  \setmainfont[$for(mainfontoptions)$$mainfontoptions$$sep$,$endfor$]{$mainfont$}<br />$endif$<br /></div><div><br /></div><div>Expanded to:</div><div><br /></div><div>  % xetex/luatex font selection<br />  \setmainfont[Numbers=OldStyle]{Minion Pro}<br /><br /></div><div><br /></div><div>I don't get it. This is the default template of pandoc 3.1.6 (I upgraded).</div><div class="gmail_quote"><div dir="auto" class="gmail_attr">onsdag 9 augusti 2023 kl. 10:44:06 UTC+2 skrev Stefan Björk:<br/></div><blockquote class="gmail_quote" style="margin: 0 0 0 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">`mainfontoptions: Numbers=OldStyle` works as expected when I don&#39;t specify a language with `lang`. When I specify a language, XeLaTeX seem to ignore the OldStyle settings. I suspect there are something broken with the default LaTeX template?<div><br></div><div>I&#39;m using pandoc 3.1.1.</div><div><br></div></blockquote></div>

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