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Rated 4 out of 5 stars
The "Browser" button in editor did not work on Firefox 7 :-(
Error： uncaught exception: [Exception... "Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsIStringBundle.GetStringFromName]" nsresult: "0x80004005 (NS_ERROR_FAILURE)" location: "JS frame :: file:///E:/Downloads/FirefoxBetafirstname.lastname@example.org/components/CustomButtonsService.js :: <TOP_LEVEL> :: line 843" data: no]