http://livehttpheaders.mozdev.org/suggestions.html#c413 i agree to andreas, please change the alt-l shortcut... i always have to disable the add-on and restart firefox if i want to write an "@" (alt-l) on my mac. Mozilla/5.0 (Macintosh; U; Intel Mac OS X; en-US; rv:1.8.1.6) Gecko/20070725 Firefox/2.0.0.6