rem: flavourSet.appendFlavour("text/nsmessage"); 
add: flavourSet.appendFlavour("text/nsmessageOrFolder"); 
context:   getSupportedFlavours: function ()    {      var flavourSet = new FlavourSet();      flavourSet.appendFlavour("text/x-moz-url");      flavourSet.appendFlavour("text/nsmessage");      flavourSet.appendFlavour("application/x-moz-file", "nsIFile");      return flavourSet;    }
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/655186d432e8cd6048ae6e1983a76ed7c20060c1/MsgComposeCommands.js/clean/mailnews/compose/resources/content/MsgComposeCommands.js