I think he wanted to see something like this instead: http://f.cl.ly/items/0B2T3...

ash on Dec 2, 2013 | parent | context | favorite | on: Expanding Context in Diffs

I think he wanted to see something like this instead:

http://f.cl.ly/items/0B2T3i1o1A3y062q0K1Z/Image%202013.12.02...

I don't find it too misleading. But long line could be made to look even more different (from multiple short lines) by having distinct color, typography marks etc.