>> The logic described in d020e27 (diff: Fix rename pretty-print when
>> suffix and prefix overlap, 2013-02-23) is wrong: The proof in the
>> comment is valid only if both strings are the same length. *One* of
>> old/new can reach a-1 (b-1, resp.) if 'a' is a suffix of 'b' (or vice
Indeed, sorry about that. I guess I was too focused on my specific
issue and didn't broaden my thoughts.
> Thanks. I was also having hard time convincing myself why that -1
> does not under-run yesterday.
> Will queue.
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