Jeff King [off-list ref] writes:
We just dump the binary goo all over the terminal. So I think the whole
combined-diff code path needs to learn how to handle binaries properly.
How would you show multi-way diffs for binary files?
It would probably be sufficient to say "binary files differ" at the
beginning of the patch-combining codepath of the combined diff, which
would at least keep the --raw -c/--cc output working.