How do I add the default font of Asciidoctor HTML to Asciidoctor pdf? Can I use the Webfont example: "@import url(https://fonts.googleapis.com/css?family=Open+Sans:300,300italic,400,400italic,600...

I'm building an existing asciidoc project on a new machine and while it works on my old machine, on the new one it throws this error: $ bundle exec asciidoctor-pdf book.adoc bundler: failed to load c...

The Book "Mastering the Lightning Network" is accessible through Github (https://github.com/lnbook/lnbook) and there are multiple asciidoc files that make the book. The License is that it is...