>> The above section primarily explains the use of diff-tree and it was
>> appropriate back when git-whatchanged was a script. The intent of
>> the whole document, not just this section, was to tickle the
>> curiousity of the users and encourage them to see how the above
>> "much more powerful" whatchanged was implemented by going to the
> Well in this case you can say that the intent was successful since it made
> me read the source code ;)
No, it is a failure. "By going to the source" was meant for
a scripted version of Porcelain, so that users can mimic what is done
in their script.
Reading C source would not help them.
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