>>Git uses what are called "deltas" to identify changed portions. This works in binary files as well, with only those portions which are changed being written. It's like how patches work against .exe files.
>>
>>I just don't know of a way to view the binary diffs in the case of merge conflicts. I would actually like to know how to do this as well. :-)
>
>I'm reasonably sure Mercurial uses deltas, as well, but it lets you plug in your comparison tool of choice. Something in Mercurial puts the whole file together to send to the comparison tool.
>
>Tamar



If you ever learn of this ability in Git, I would love to know.