Oceniono na 3 z 5 możliwych gwiazdek

autor: Firefox user 13db0b wystawiona: Kwi. 26, 2018 · zobacz całą

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?