This supports an org-mode like syntax for authoring, not just the sexp syntax: <a href="http://www.nongnu.org/skribilo/doc/user-3.html#outline-syntax" rel="nofollow">http://www.nongnu.org/skribilo/doc/user-3.html#outline-synta...</a>
How does this compare to Pollen?<p><a href="http://mbutterick.github.io/pollen/doc/" rel="nofollow">http://mbutterick.github.io/pollen/doc/</a>