Rated 2 out of 5 stars

le Barki ar Márta 24, 2011 ·

its also possible to change this setting in "About:config" without addon !

Léirmheas ar leagan níos sine den bhreiseán seo (0.2.1-signed.1-signed). 

le trlkly (Forbróir) ar Márta 25, 2011 ·

I acknowledged that in the description. But some people would rather have an addon, apparently. People have been complaining about MRTech's extension not working in Firefox 4, so obviously not everyone wants to edit their about:config.