Rated 5 out of 5 stars

Thanks for 1.2 version works very well in TB 3,1

People check this:
https://addons.mozilla.org/en-us/thunderbird/downloads/file/93999/address_close_button-1.2-tb.xpi?src=version-history&confirmed=1

This review is for a previous version of the add-on (1.2).