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bug#6546: win32 grep/shell utf-8 encoding

From: Eli Zaretskii
Subject: bug#6546: win32 grep/shell utf-8 encoding
Date: Fri, 23 Jul 2010 13:24:02 +0300

> Date: Fri, 23 Jul 2010 00:48:28 +0300
> From: Laimonas Vėbra <address@hidden>
> CC: address@hidden
> > Did you try to add a suitably-valued LANG variable to
> > process-environment?  That would at least force Cygwin executables to
> > work in the Windows codepage.
> The only way it works is when i set LANG process-environment variable to 
> the current windows locale codepage and 'coding-system-for-write' to the 
> encoding/charset in which i'd like to grep.

That's the only way it's _supposed_ to work.

> That way it works, but i'm not sure (seriously doubt) if LANG/locale 
> codepage, which differs from the actual args encoding, won't result in 
> any ugly problems/bugs (e.g. sorting, piping to other apps)

You should set LANG to the current codepage and make sure
locale-coding-system is set to the same codepage.  Then the Cygwin
programs invoked as Emacs subprocesses should do what you expect.

> If it really won't and this setup is "as it should be, intended", then 
> this bug could be closed.

Yes, this is the only setup that is supposed to work.

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