[MERGE] better support of unicode paths on Windows

[John Arbash Meinel]

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Alexander Belchenko wrote:
> Bzr has one latent bug related to create new .bzr directory inside
> unicode directory. The problem occurs when unicode path cannot be
> encoded in current user encoding, as pointed by INADA Naoki, see
> https://bugs.launchpad.net/tortoisebzr/+bug/335362/comments/41
> 
> This is rare condition, but bug itself is very serious.
> Please, merge for 1.17.
> 

You will need to add:

self.requireFeature(UnicodeFeature) (something likethat)
so that the test will skip properly when LANG=C


Otherwise

  BB:approve

Also, if this is important enough, why not have a 'ctypes' version?

John
=:->

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