ortcut is `-k`) to keep the intermediate `.tex` file,
 + `-sign` (shortcut is `-s`) to sign the produce PDF document with GnuPG (thanks to [PDFCompress](http://perso.crans.org/besson/bin/PDFCompress) option `--sign`).

---

## Mandatory requirements
 + [lunamark](http://jgm.github.io/lunamark/lunamark.1.html) (an awesome *lua*-powered Markdown to LaTeX processor),
 + [autotex](http://perso.crans.org/besson/bin/autotex) (from my web page, or from [bin/autotex](https://bitbucket.org/lbesson/bin/src/master/aut