alt Hacker NewsDoesn't seem to serve rendered samples so you have to set "browser.display.use_document_fonts" to "1" to see anything useful.
Replies
jeffbee • today at 4:30 PM
Which is the default, and 99.9% of Firefox users, 99.99% of all users will not have this issue.
I think it also requires internet access, so you have to enable internet.