verify substitutions are applied to attribution and citetitle attributes enclosed in single quotes on quote block
verify substitutions are applied to attribution and citetitle attributes enclosed in single quotes on quote block

Hextremist/asciidoctor-pdf,mojavelinux/asciidoctor-pdf,asciidoctor/asciidoctor-pdf,Hextremist/asciidoctor-pdf,asciidoctor/asciidoctor-pdf,dsisnero/asciidoctor-pdf,mojavelinux/asciidoctor-pdf,dsisnero/asciidoctor-pdf