reponse new function

[Damien Mattei <damien.mattei@gmail.com>]

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i apologize for my late answer,
i wrote a long draft mail with code yesterday for answering but it is too
long i think to be send and will confuse everyone,
i'm testing a lot of answer,perhaps modifying my goals too!,
and try to summarize all that,not easy.....
for now my goal change a little bit,it is already :
"i need a procedure or macro that define a variable only if it is not bind
and if it is just set! it" i will just add but define locally in the block
or nested code not globally and for now that is the hard thing, i see some
good solution but which sometimes bind the variable globally in the
(current-module) and that is not what i want.
I'm conducting tests still......
Damien

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