(defun xwidget-webkit-execute-script-rv (xw script &optional default)
"Same as 'xwidget-webkit-execute-script' but but with return value.
XW is the webkit instance. SCRIPT is the script to execute.
-DEFAULT is the defaultreturn value."
+DEFAULT is the default return value."
;; Notice the ugly "title" hack. It is needed because the Webkit
;; API at the time of writing didn't support returning values. This
;; is a wrapper for the title hack so it's easy to remove should