Rated 5 out of 5 stars

le Jan ar Noll. 15, 2008 · buan-nasc

Hey this is nice! How a simple idea can make a difference.
This should be a standard Firefox feature, especially valuable here in Europe, with its many languages.

One little thing, on Canadian sites it chooses en-uk, while I have the en-ca dictionary installed. Has to be adjusted manually for every single site.