Show which fields are not on email template

When creating email notifications of forms, I'm creating a lot of different emails formatted different ways for different conditions and for different people.   One of the things i find difficult is that if I edit the form and add fields, I think have to remember to add those fields into the email notifications. 

It would be really helpful if, when editing email notifications, the list of available fileds on the right would show up in a different color if that particular tag was not found anywhere on the email notification.  Would also be helpful if for some reason I changed the tag during the design process.

thanks!

Thank you for your suggestion. I have attached a feature request ticket to this thread, so it will be considered by our Development Team.

We cannot promise anything at this point, but we will let you know if we have any updates on this.

Thank you for your consideration.

In my colleague's name you are welcome. I see that he has already raised this to our developers for consideration, as he had mentioned.

As soon as there are any updated in regards to your request, we will update you through this thread.