[DRE-maint] Bug#935196: asciidoctor: Source highlighting does not work any more

[Joseph Herlant]

Control: forwarded -1 https://github.com/asciidoctor/asciidoctor/issues/3394
Control: owner -1 !

Hi Sebastien,

Thanks for your report.
I'm working on a patch with upstream.

Thanks,
Joseph