Asciidoc/Asciidoctor is non-ambiguous (unlike Markdown), works with different workflows and unlike org mode you can use different editors, easy to learn (unlike

Asciidoc/Asciidoctor is non-ambiguous (unlike Markdown), works with different workflows and unlike org mode you can use different editors, easy to learn (unlike LaTeX). ReStructured text is the second closest but there you have to have Python in order for it to be useful, so Asciidoc is the only one plausible universal text markup as I see it.