run/sexp doesn't support non-ascii characeters?

[William Xu <william.xwl@gmail.com>]

Hi all, 

Seems run/sexp is unable to handle to non-ascii characters? Consider the
following, the second are two Chinese characters. 

> (run/sexp (echo "hi"))
'hi
> (run/sexp (echo "中国"))

Error: illegal character read
       #\ä
       #{Input-fdport #{Input-channel 3}}
1> 

-- 
William

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