xpi:Depends=firefox | thunderbird (>= 3.0) | seamonkey (>= 2.0) xpi:Recommends= xpi:Breaks=firefox (>> 7.0~a0), seamonkey (<< 2.0), seamonkey (>> 2.4+), thunderbird (<< 3.0), thunderbird (>> 7.0~a1+) xpi:Enhances=firefox, seamonkey, thunderbird xpi:Provides=firefox-test-package, seamonkey-test-package, test-package, thunderbird-test-package