Hyperbola GNU/Linux and Wordgrinder or jstar (from the Joe package) and Markdown, or even Groff as the basic syntax can be easy enough. Then you run

     groff file.troff -step -k  > file.pdf 

If any, check Groff with Mom macros, with does what you need with ease:

https://www.schaffter.ca/mom/

Online manual:

https://www.schaffter.ca/mom/momdoc/toc.html

For a quick command:

     pdfmom -step -k yourfile.troff > output.pdf

- Install groff in Hyperbola GNU/Linux (or any other) if is not installed. It's mandatory in a 99% of distros but not Hyperbola.

- get https://www.schaffter.ca/mom/mom-2.6_d.tar.gz

- uncompress it

- copy om.tmac to /usr/share/groff/current/tmac/om.tmac

- cd to examples/ directory and do some tests:

             pdfmom -step -k mom-pdf.mom  > mom-pdf.pdf