rem: flavourSet.appendFlavour("text/nsmessageOrfolder"); 
add: flavourSet.appendFlavour("text/x-moz-message-or-folder"); 
context:   getSupportedFlavours: function ()    {      var flavourSet = new FlavourSet();      flavourSet.appendFlavour("text/x-moz-url");      flavourSet.appendFlavour("text/nsmessageOrfolder");      flavourSet.appendFlavour("application/x-moz-file", "nsIFile");      return flavourSet;    }
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/d08d4d3f9753b01573c0820f3dc3010c62295d11/MsgComposeCommands.js/buggy/mailnews/compose/resources/content/MsgComposeCommands.js