[xmonad] Issue 529 in xmonad: XMonad.Prompt.Shell double-encodes with recent ghc

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Status: Accepted
Owner: allber... at gmail.com
Labels: Component-Contrib Type-Defect Usability

New issue 529 by allber... at gmail.com: XMonad.Prompt.Shell double-encodes  
with recent ghc
http://code.google.com/p/xmonad/issues/detail?id=529

[29 13:43] <ryanakca> Yes. Running "echo 'àé' > /tmp/foo && hexdump -C  
/tmp/foo" gives "c3 a0 c3 a9 0a" in urxvt under xmonad here, and "echo 'àé'  
> /tmp/foo" via the shell prompt provided by XMonad.Prompt.Shell, followed  
by "hexdump -C /tmp/foo" in urxvt, displays "c3 83 c2 a0 c3 83 c2 a9 0a".

X.P.Shell is explicitly calling encodeUtf8, but the base ghc libraries with  
7.6.1 already do that if $LANG / $LC_ALL is set unless you call the lower  
level versions of these functions.  (Which didn't exist in older versions  
of base, so we can't simply use those instead.)