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CloseReview for Dictionary Switcher by Trumpetisto
Rated 3 out of 5 stars
Dictionary Switcher 0.8 works with Firefox only!!!
See Dictionary Switcher for Thunderbird:
Home Page: http://en.design-noir.de/mozilla/dictionary-switcher-tb/
DOWNLOAD it: http://en.design-noir.de/mozilla/dictionary-switcher-tb/1.1.3.xpi
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