Commit d17db71b6f8343204683542538416ec87e06261e
2012-06-08T13:56:53
isalpha is not great for UTF-8 When checking for a drive letter on windows, instead of using isalpha(), it is better to just check for a..z and A..Z, I think, particularly because the MS isalpha implementation appears to assert when given an 0xFF byte.