[racket] json module bug?

Is this a bug with the json module, or am I missing something about the
implementation?

It seems it crashes when serializing a hashtable that has strings for keys.
 Symbols work fine.

ie,

>> (jsexpr->string (hash "id" 1 "title" "core"))
write-json: expected argument of type <bad JSON key value>

BUT this works:

>> (jsexpr->string (hash 'id 1 'title "core"))
"{\"id\":1,\"title\":\"core\"}"

-- 
Talk to you soon,

Scott Klarenbach

PointyHat Software Corp.
www.pointyhat.ca
p 604-568-4280
e scott at pointyhat.ca
#308 - 55 Water St.
Vancouver, BC V6B1A1

_______________________________________
To iterate is human; to recur, divine
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