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However, it is "mission creep": Martin didn't volunteer to

write a PEP for it, he volunteered to write a PEP to solve the

"roundtrip the value of os.listdir()" problem. �And he succeeded, up

to some minor details.

Yes, it solves that problem.� But that doesn't come without cost.

Most importantly, now Python writes illegal UTF-8 strings even if the user chose a UTF-8 encoding.�� That means that illegal UTF-8 encodings can propagate anywhere, without warning.

Furthermore, I don't believe that PEP 383 works consistently on Windows, and it causes programs to behave differently in unintuitive ways on Windows and Linux.

I'll suggest an alternative in a separate message.

Tom