rem: var hasFlavors = clipboard.hasDataMatchingFlavors(flavourArray, kClipboardIID.kGlobalClipboard); return hasFlavors; 
add: var hasFlavours = clipboard.hasDataMatchingFlavors(flavourArray, kClipboardIID.kGlobalClipboard); return hasFlavours; 
context:   canPaste: function ()  {    const kClipboardContractID = "@mozilla.org/widget/clipboard;1";    const kClipboardIID = Components.interfaces.nsIClipboard;    var clipboard = Components.classes[kClipboardContractID].getService(kClipboardIID);    const kSuppArrayContractID = "@mozilla.org/supports-array;1";    const kSuppArrayIID = Components.interfaces.nsISupportsArray;    var flavourArray = Components.classes[kSuppArrayContractID].createInstance(kSuppArrayIID);    const kSuppStringContractID = "@mozilla.org/supports-string;1";    const kSuppStringIID = Components.interfaces.nsISupportsString;        var flavours = ["moz/bookmarkclipboarditem", "text/x-moz-url"];    for (var i = 0; i < flavours.length; ++i) {      const kSuppString = Components.classes[kSuppStringContractID].createInstance(kSuppStringIID);      kSuppString.data = flavours[i];      flavourArray.AppendElement(kSuppString);    }    var hasFlavors = clipboard.hasDataMatchingFlavors(flavourArray, kClipboardIID.kGlobalClipboard);    return hasFlavors;  },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/673315581440859e1856ece96463544077e5dad2/bookmarksOverlay.js/clean/xpfe/components/bookmarks/resources/bookmarksOverlay.js