Welcome to Firefox for Android Add-ons.
Add extra features and styles to make Firefox for Android your own.
CloseReview for compactfolder by Lindsey Smith
Rated 5 out of 5 stars
There's a straightforward work around for this in Thunderbird 3.0 using keyconfig:
http://gerundinganimal.blogspot.com/2009/12/adding-compact-folder-button-to.html
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