Posted by Elisa on Feb 18, 2021; 5:36pm
URL: https://discuss.asciidoctor.org/footnotes-not-working-for-pdf-tp8506p8511.html

Ah, that then connects with a different problem:

$ gem update asciidoctor-pdf
Updating installed gems
Updating asciidoctor-pdf
ERROR:  While executing gem ... (NoMethodError)
    undefined method `request' for nil:NilClass


I don't know how to get around that problem.