4. The computer-readable storage media of claim 2 , wherein the one or more instructions further comprise instructions for: tracking the user action indicating approval of the first subset of the first set of modifications; and accounting for the user action in automatically determining future modifications of the first and/or second representations.
2. The computer-readable storage media of claim 1 , wherein the one or more instructions further comprise instructions for: modifying the one of the first or second representations based on a first subset of the first set of modifications upon a user action indicating approval of the first subset of the first set of modifications; and automatically modifying the second set of modifications to be made in the unmodified one of the first or second representation based on the first subset of the first set of modifications.