Most Excellent!! Puntuado con 5 de 5 estrellas

It turns out that my problem was an interaction with a theme. With the default theme this extension works perfectly.

Thanks for the addition to Firefox. You have taken a problem in Firefox and fixed it.

Esta valoración es de una versión anterior del complemento (1.0.0.1-signed).  Este usuario tiene 2 valoraciones anteriores de este complemento.