[issue35883] Change invalid unicode characters to replacement characters in argv

[Johannes Berg]

Johannes Berg <johannes at sipsolutions.net> added the comment:

In fact that python one-liner works with just about everything else that you can throw at it, just not something that "looks like utf-8 but isn't".

And of course adding LC_CTYPE=ascii or something like that fixes it, as you'd expect. Then the "surrogateescape" works fine, since mbstowcs() won't try to decode it as utf-8.

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<https://bugs.python.org/issue35883>
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