14. The method of claim 12 , further including traversing the document family registry data structure and identifying one or more sequences of multiple transforms that collectively transform from the first document family version into the second document family version.
14. The method of claim 12 , further including traversing the document family registry data structure and identifying one or more sequences of multiple transforms that collectively transform from the first document family version into the second document family version. 15. The method of claim 14 , wherein: maintaining the transforms further includes maintaining transform success scores; and responding to requests further includes calculating composite transform success scores for the sequences of transforms.