dont work in tbird Rated 1 out of 5 stars

works in ff but not in tbird!! wont show up in the context menu????

This review is for a previous version of the add-on (0.2.4). 

What is your version of TB?

I confirmed on Tb 3.0.x and TB 3.1pre and well worked. Encoding menu is present with right click on Mail list and Mail body window.