Is there a notification process available in ACS Email Designer to alert the users on who else is in Edit mode if multiple users are editing the same Email content at the same time in the HTML Editor?

Is there a notification process available in ACS Email Designer to alert the users on who else is in Edit mode if multiple users are editing  the same Email content at the same time in the HTML Editor? In that case the user can contact the other users to avoid overriding each other's change.