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Marc Herbert
d73fa831b0
Fixes #223. Very simple reproduction ``` cd diffutils mkdir a touch a/alef a/alefn a/alef_ a/alefx a/alefr a/fuzz.file cargo test ``` => fail https://www.gnu.org/software/diffutils/manual/html_node/Multiple-Patches.html states that the "old" file name has precedence over the "new" filename. I hit this problem because some other (and unfortunately: unknown for now) test issue left bogus `a/alef*` file(s) behind in my workspace. I didn't bother cleaning them up because I assumed some test would keep recreating them and that cost me a lot of time. This issue seems to have existed since the very first commit. Interestingly, there as a previous attempt in 2024 to fix this in commita3a372ff36! So I was apparently not the only affected. BUT that fix was immediately reverted by commitba7cb0aef9in the same PR. Admittedly, that fix seemed somewhat off-topic in https://github.com/uutils/diffutils/pull/33. So here it is again.