I can get behind this.

Asciidoctor Docs

AsciiDoc - AsciiDoc Syntax Quick Reference

The quick reference for common AsciiDoc document and text formatting markup.

No, it's not better than markdown for anything that expects a global user base. It's too English-centric to be better for anything but an English-centric user base. Markdown has no English-centric features, it works equally for people with all the common language backgrounds and keyboard layouts worldwide

what do you mean? why is asciidoc English-centric?