Benvingut a complements de Thunderbird.
Add extra features and styles to make Thunderbird your own.Tanca
header scroll extension 0.3.2
per Jürgen Ernst
Adds a scrollbar to the extended all header view so that it doesn't take all the space when viewing all headers. This is a workaround for bug #223132...
Quant al complement
Works with the ToggleHeaderButton only