Upgrade to Asciidoctor 1.5.6.1
Upgrade to Asciidoctor 1.5.6.1

New patch version has been released.
Change log available here:
https://github.com/asciidoctor/asciidoctor/blob/master/CHANGELOG.adoc#1561-2017-07-23---mojavelinux

github/markup,github/markup,github/markup,github/markup