cop.create("DevLayer").refineClass(WorldMorph, {
    morphMenuItems: function() {
        var items = cop.proceed();
        // inspect(items)
        var prefMenu = items.detect(function(ea) { 
            return ea[0] == "Preferences"
        })
        if (prefMenu)
           prefMenu[1].push(["style" , function() {
                $world.openStyleEditorFor($world)
            }])
        return items
    
    }
})
DevLayer.beGlobal()