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About this Add-on
This is developed under a project to restructure TBE for Firefox 2. See also Multiple Tab Handler ( https://addons.mozilla.org/firefox/addon/4838 ) and Tree Style Tab ( https://addons.mozilla.org/firefox/addon/5890 ).
- Works correctly on the multi-process mode (E10S).
- Drop support for Firefox 30 and older versions.
- Don't show configuration UI for the preference
browser.tabs.closeButtonsremoved on Firefox 32 and later.