很方便好用

Extremely helpful!
I have generally switched off browser.display.use_document_fonts
(=0) in my browser so that I can see my own fonts on the websites. Unfortunately, there are some websites that absolutely want to use their own fonts to display symbols. This addon does exactly and perfectly (!) what I need: Switching browser.display.use_document_fonts via a new small button. Great! Many thanks for this!

Works great and eliminates need to edit registry settings.