rem: messenger.RenameFolder(folderTree.database, selectedFolder, name); 
add: messenger.RenameFolder(GetFolderDatasource(), selectedFolder, name); 
context: function RenameFolder(name,uri){    dump("uri,name = " + uri + "," + name + "\n");    var folderTree = GetFolderTree();    if (folderTree)    {	if (uri && (uri != "") && name && (name != "")) {                var selectedFolder = GetResourceFromUri(uri);                folderTree.clearItemSelection();                messenger.RenameFolder(folderTree.database, selectedFolder, name);        }        else {                dump("no name or nothing selected\n");        }       }    else {	dump("no folder tree\n");    }}
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