     */
     public private(set) var contentHTML: String = "" {
         didSet {
-            delegate?.richEditor(self, contentDidChange: contentHTML)
+            delegate?.richEditor?(self, contentDidChange: contentHTML)
         }
     }
 

    */
    public private(set) var editorHeight: Int = 0 {
        didSet {
            delegate?.richEditor(self, heightDidChange: editorHeight)
        }
    }


        if navigationType == .LinkClicked {
            if let
                url = request.URL,
                shouldInteract = delegate?.richEditor?(self, shouldInteractWithURL:url)
            {
                return shouldInteract
            }
