UTF-8 problem/bug with Cygwin 1.7

[Gunnar Degnbol <degnbol at danbbs dot dk>]

I have a strange problem with UTF-8 characters when running bash from 
the Windows command line. I hoped it would go away with the new Cygwin 
1.7.0-46, but it is still there. Now I have simplified it down to 
setting LANG=en_US.UTF-8 and running bash -c "echo £" (where '£' can be 
any non-ascii character):


C:\cygwin17\bin>set LANG=en_US.UTF-8

C:\cygwin17\bin>.\echo £
£

C:\cygwin17\bin>bash -c 'echo a'
a

C:\cygwin17\bin>bash -c 'echo £'
bash: $'echo \302\243': command not found

C:\cygwin17\bin>bash -c "$'echo \302\243'"
bash: $'echo \302\243': command not found

C:\cygwin17\bin>bash -c "echo $'\302\243'"
£

It works if I don't set LANG, or set it to something else than UTF-8. It 
also works in Cygwin 1.5. 

Seems like UTF-8 makes bash escape the whole command line if it contains 
non-ascii characters. Maybe it should only escape the non-ascii 
characters? This might still cause problems with text in quotes.

Gunnar

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