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by tshtf 3856 days ago
Another fun issue in OS X HFS+ happens due to unicode normalization; any filename containing an ignorable unicode character is first normalized:

cat /etc/passwd`python -c 'print "\xe2\x80\x8c"'`

This led to a security issue with Git (http://git-blame.blogspot.com/2014/12/git-1856-195-205-214-a...) and one in Apache a few years earlier.