diffstat(1) on macOS
The text 3d2d0a8c688c, as Mac OS X 10.8.5, Mac OS X 10.8.4, Mac OS X 10.8.3, Mac OS X 10.8.2, Mac OS X 10.8.1, Mac OS X 10.8, Mac OS X 10.7.5, Mac OS X 10.7.4, Mac OS X 10.7.3, Mac OS X 10.7.2, Mac OS X 10.7.1, Mac OS X 10.7 shipped it.
make histogram from diff-output
Flags it lists
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-V -
-b -
-c -
-h -
-k -
-l -
-m -
-q -
-r -
-t -
-u -
-v