> What it can't do (as far as I understand): complex layouts, precise typography, embedded binary content, anything that needs pixel-perfect rendering.

Please see:

* https://impacts.to/downloads/lowres/impacts.pdf

* https://keenwrite.com/docs/user-manual.pdf

* https://keenwrite.com/blog/2025/09/08/feature-matrix/pdf/jek...

* https://keenwrite.com/blog/2025/09/08/feature-matrix/pdf/sof...

Those are Markdown documents typeset using ConTeXt. Except for Jekyll & Hide, I wrote them all.