PDFEmbed shows blank file on Firefox
As per https://phabricator.miraheze.org/T4631, PDFEmbed shows a blank file on Firefox
Tested on: Windows 10 Ubuntu 19.04 MacOS 10.14.6 All with firefox latest version on mediawiki 1.33.0 (8285196) with PDFEmbed 2.0.1 and 2.0.2 on https://lilypond.miraheze.org/wiki/Spezial:Version - Confirmed to work on Chrome (Official Build) (64-bit) (MacOS 10.14.6)
Edited by RhinosF1