Fabrice Marchant wrote:

>   I've no solution : this post is just to enforce the fact your
> question is very interesting.
> 
> I follow your quest :
> http://tech.groups.yahoo.com/group/ocaml_beginners/message/8929

Ah thanks, I wasn't aware of that thread, my google skills had
let me down.

I'm currently having a bit of a look at/experiment with this 
problem.

Cheers,
Erik
-- 
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Erik de Castro Lopo
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Fundamentalist : Someone who is colour blind and yet wants everyone
else to see the world with the same lack of colour.