Found the related issue: https://github.com/hakimel/reveal.js/issues/2978 Le mardi 28 septembre 2021 à 12:05:35 UTC+2, christophe dervieux a écrit : > This is definitely something in revealjs that change in version 4.1.1. It > works ok with 4.1.0 > > pandoc -t revealjs --self-contained -o slide-self-contained.html --metadata title="test" -V revealjs-url=https://unpkg.com/reve...@4.1.0/ slide.md > > ​ > Le mardi 28 septembre 2021 à 11:21:18 UTC+2, christophe dervieux a écrit : > >> Hello, >> >> Here is a reproducible example of the issue >> >> curl --output background.jpg -L 'https://unsplash.com/photos/8OyKWQgBsKQ/download?force=true&w=1920' >> >> echo "# Slide {data-background-image='background.jpg'}" > slide.md >> echo "" >> slide.md >> echo "Content" >> slide.md >> >> # Not self contained >> pandoc -t revealjs -s -o slide.html --metadata title="test" slide.md >> >> # Self contained >> pandoc -t revealjs --self-contained -o slide-self-contained.html --metadata title="test" slide.md >> >> When using self-contained, the background image is no more working. >> Pandoc encodes to data: but it seems reveal.js does not know how to >> handle it. It split the encoded data: in two url component. >> >> It seems like a change in reveal 4 as using the same slide.md file with >> different version seems to break. >> >> What I tried: >> >> - Pandoc 2.9.2.1 : last one compatible with reveal.js 3 I believe >> >> pandoc.exe -t revealjs --self-contained -o slide-self-contained.html --metadata title="test" -V revealjs-url=https://unpkg.com/reveal.js@3/ slide.md >> >> Works as expected >> - Pandoc 2.10: First to use reveal.js 4 >> >> pandoc.exe -t revealjs --self-contained -o slide-self-contained.html --metadata title="test" -V revealjs-url=https://unpkg.com/reveal.js@4/ slide.md >> >> >> So it seems that something broke when upgrading. >> >> Is this a known issue ? >> Should I open an issue in Pandoc to track ? I believe this could be >> something in reveal.js not handling correctly encoded data: field. >> >> MANUAL still says ( >> https://pandoc.org/MANUAL.html#background-in-reveal.js-and-beamer) >> >> Background images can be added to self-contained reveal.js slideshows and >> to beamer slideshows. >> >> But maybe self-contained and revealjs does not work well. >> >> Thank you >> ​ >> > -- You received this message because you are subscribed to the Google Groups "pandoc-discuss" group. To unsubscribe from this group and stop receiving emails from it, send an email to pandoc-discuss+unsubscribe-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org To view this discussion on the web visit https://groups.google.com/d/msgid/pandoc-discuss/16a09ef6-0b0c-439b-a2ef-9bddfdcf0f0bn%40googlegroups.com.