Rated 3 out of 5 stars

Από τον/την Χρήστης Firefox 13db0b στις Απρίλ. 26, 2018 · μόνιμος σύνδεσμος

How is it supposed to be used? I have Firefox 52 ESR (not Quantum), which should be compatible, however I just see the plain text when opening .md files in (with) Firefox. What am I doing wrong?