From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.text.pandoc/29309 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: christophe dervieux Newsgroups: gmane.text.pandoc Subject: revealjs background and self contained not working anymore Date: Tue, 28 Sep 2021 02:21:18 -0700 (PDT) Message-ID: <80a3d759-3f29-44d8-9a43-5890dcf9b70en@googlegroups.com> Reply-To: pandoc-discuss-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="----=_Part_790_27915834.1632820878166" Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="8848"; mail-complaints-to="usenet@ciao.gmane.io" To: pandoc-discuss Original-X-From: pandoc-discuss+bncBDDJDKUZ7QORBD55ZOFAMGQEIDQXDHA-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org Tue Sep 28 11:21:22 2021 Return-path: Envelope-to: gtp-pandoc-discuss@m.gmane-mx.org Original-Received: from mail-ot1-f61.google.com ([209.85.210.61]) by ciao.gmane.io with esmtps (TLS1.3:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.92) (envelope-from ) id 1mV9Ig-00026y-7R for gtp-pandoc-discuss@m.gmane-mx.org; 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Pandoc= =20 encodes to data: but it seems reveal.js does not know how to handle it. It= =20 split the encoded data: in two url component. It seems like a change in reveal 4 as using the same slide.md file with=20 different version seems to break.=20 What I tried:=20 - Pandoc 2.9.2.1 : last one compatible with reveal.js 3 I believe =20 pandoc.exe -t revealjs --self-contained -o slide-self-contained.html --= metadata title=3D"test" -V revealjs-url=3Dhttps://unpkg.com/reveal.js@3/ sl= ide.md =20 Works as expected=20 - Pandoc 2.10: First to use reveal.js 4 =20 pandoc.exe -t revealjs --self-contained -o slide-self-contained.html -= -metadata title=3D"test" -V revealjs-url=3Dhttps://unpkg.com/reveal.js@4/ s= lide.md =20 =20 So it seems that something broke when upgrading.=20 Is this a known issue ? Should I open an issue in Pandoc to track ? I believe this could be=20 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= =20 to beamer slideshows. But maybe self-contained and revealjs does not work well.=20 Thank you =E2=80=8B --=20 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 e= mail 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/80a3d759-3f29-44d8-9a43-5890dcf9b70en%40googlegroups.com. ------=_Part_791_1434056915.1632820878166 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable

Hello,

Here is a reproducible examp= le of the issue

curl --output background.jpg -L 'https://unsplash.c=
om/photos/8OyKWQgBsKQ/download?force=3Dtrue&w=3D1920'

echo "# Slide {data-background-image=3D'background.jpg'}" > slide.md
echo "" >> slide.md
echo "Content" >> slide.md

# Not self contained=20
pandoc -t revealjs -s -o slide.html --metadata title=3D"test" slide.md

# Self contained
pandoc -t revealjs --self-contained -o slide-self-contained.html --metadata=
 title=3D"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 i= t. It split the encoded data: in two url component.

It seems like a change in re= veal 4 as using the same slide.md<= /code> 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=3D"test" -V reveal=
js-url=3Dhttps://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=3D"test" -V revealjs-url=3Dhttps://unpkg.c=
om/reveal.js@4/ slide.md

So it seems that something b= roke when upgrading.

Is this a known issue ?
S= hould I open an issue in Pandoc to track ? I believe this could be somethin= g in reveal.js not handling correctly encoded data: field.

MANUAL still says (http= s://pandoc.org/MANUAL.html#background-in-reveal.js-and-beamer)

Background images can be add= ed to self-contained reveal.js slideshows and to beamer slideshows.

But maybe self-contained and revealjs does not work well.

Thank you

=E2=80=8B

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