Preserve multibyte UTF-8 characters when obfuscating.
This version uses the unicode 'replace' option, so non-UTF-8
encodings will still be mangled. Luckily, there aren't any
of those.
adding a
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
adding b
pushing to ../a
abort: could not lock repository ../a: Permission denied