the use of 'tr' in the test suite isn't really portable
Some versions of 'tr' only accept octal codes if entered with three digits, and therefor misinterpret the '\0' in the test suite. Some versions of 'tr' reject the (needless) use of character classes. Signed-off-by: NH.Merijn Brand <h.m.brand@xs4all.nl> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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