uriloader@pdf.js PDF Viewer PDFJSSCRIPT_VERSION {ec8030f7-c20a-464f-9b0e-13a3a9e97384} 6.0 14.0a1 true Mozilla Uses HTML5 to display PDF files directly in Firefox. https://github.com/mozilla/pdf.js/ 2 https://github.com/mozilla/pdf.js/raw/gh-pages/extensions/firefox/update.rdf