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.

#!/bin/sh

hg
hg -q
hg help
hg -q help
hg add -h
hg add --skjdfks
hg help diff
hg help status
hg -q help status
hg help foo
hg skjdfks

exit 0