AP invoice Notification with new lines and edited lines, not all lines that approved before.

Summary:

After AP invoice Approved new lines was added to the invoice and some lines were edited and resubmit for approval again, the approver needs to get a notification with just the new lines and edited lines not get all approved lines again.

In our company invoice may contain more than 100 lines, the approver review these lines before approving after invoice approved, the invoice was changed by editing some lines and add some lines then resubmitted again for approval, the approver needs to get mail notification with the new lines and edited lines, not all lines again.

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