Posted by Andrew Carver on Jun 28, 2019; 9:15pm
URL: https://discuss.asciidoctor.org/asciidoctor-bibliography-and-Asciidoctor-2-x-tp6942p6972.html

This was an issue. But Paolo Breslin fixed it, on June 16: https://github.com/riboseinc/asciidoctor-bibliography/issues/99