Bug: Cygwin won't export environ vars to win32 programs, when the current work dir contains non-ascii characters.

[Lenik <lenik at bodz dot net>]

(Following example is based on bash, but the same to ash, tcsh, ksh, 
etc., so this should be bug of cygwin.)

(1) English only:
        C:\Profiles\Shecti\test>bash -c "cmd /c set"
        ALLUSERSPROFILE=C:\Profiles\All Users
        APPDATA=C:\Profiles\Shecti\Application Data
        CLIENTNAME=Console
        COMMONPROGRAMFILES=C:\Program Files\Common Files
        COMPUTERNAME=CLSVM
        COMSPEC=C:\WINDOWS\system32\cmd.exe
        CYGWIN=nodosfilewarning noenvcache title
        FP_NO_HOST_CHECK=NO
        HOME=C:\Profiles\Shecti
        HOMEDRIVE=C:
        HOMEPATH=\Profiles\Shecti
        LABJA_ROOT=c:\lenix
        LOGONSERVER=\\CLSVM
        NUMBER_OF_PROCESSORS=1
        OS=Windows_NT
        
PATH=C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;c:\lenix\bin
        PATHEXT=.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH
        PROCESSOR_ARCHITECTURE=x86
        PROCESSOR_IDENTIFIER=x86 Family 15 Model 4 Stepping 9, GenuineIntel
        PROCESSOR_LEVEL=15
        PROCESSOR_REVISION=0409
        PROGRAMFILES=C:\Program Files
        PROMPT=$P$G
        PWD=/mnt/c/Profiles/Shecti/test
        SESSIONNAME=Console
        SHLVL=1
        SYSTEMDRIVE=C:
        SYSTEMROOT=C:\WINDOWS
        TEMP=C:\Profiles\Shecti\Temp
        TERM=cygwin
        TMP=C:\Profiles\Shecti\Temp
        USERDOMAIN=CLSVM
        USERNAME=Shecti
        USERPROFILE=C:\Profiles\Shecti
        WINDIR=C:\WINDOWS
        _=/mnt/c/WINDOWS/system32/cmd

(2) With Chinese characters, most variables are lost:
        C:\Profiles\Shecti\æè>bash -c "cmd /c set"
        COMSPEC=C:\WINDOWS\system32\cmd.exe
        PATHEXT=.COM;.EXE;.BAT;.CMD;.VBS;.JS;.WS
        PROMPT=$P$G

        C:\Profiles\Shecti\æè>


This problem seems only related to the working directory name, other 
environ variables are ok to include native characters:

    C:\Profiles\Shecti\test>set hello=Hello

    C:\Profiles\Shecti\test>bash -c "cmd /c set h"
    HOME=C:\Profiles\Shecti
    HOMEDRIVE=C:
    HOMEPATH=\Profiles\Shecti
    hello=Hello

    C:\Profiles\Shecti\test>set hello=äå

    C:\Profiles\Shecti\test>bash -c "cmd /c set h"
    HOME=C:\Profiles\Shecti
    HOMEDRIVE=C:
    HOMEPATH=\Profiles\Shecti
    hello=äå

    C:\Profiles\Shecti\test>set hello=

    C:\Profiles\Shecti\test>bash -c "env hello=äå cmd /c set h"
    HOME=C:\Profiles\Shecti
    HOMEDRIVE=C:
    HOMEPATH=\Profiles\Shecti
    hello=äå

    C:\Profiles\Shecti\test>set h
    HOMEDRIVE=C:
    HOMEPATH=\Profiles\Shecti

    C:\Profiles\Shecti\test>bash -c "env CWD=äå cmd /c set c"
    CLIENTNAME=Console
    COMMONPROGRAMFILES=C:\Program Files\Common Files
    COMPUTERNAME=CLSVM
    COMSPEC=C:\WINDOWS\system32\cmd.exe
    CWD=äå

    C:\Profiles\Shecti\test>md äå

    C:\Profiles\Shecti\test>cd äå

    C:\Profiles\Shecti\test\äå>bash -c "cmd /c set h"
    çååé h ææåä (Error: no environ variable starts with 'H')

    C:\Profiles\Shecti\test\äå>

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Description: Text document

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