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   ACKNOWLEDGEMENTS
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pmap stems out of p.mapper by Armin Burger. We aim at improving his excellent code base by making it easier for people to contribute.
We sincerely acknowledge Armin for his fantastic job of producing p.mapper.
Paolo
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From original acknowledgements of p.mapper (still valid!):

I would like to thank all who provided contributions 
to the p.mapper development:


Federico Nieri and Alessandro Radaelli from Comune di Prato:
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Contributions in quite a few files (Javascript and PHP) in order 
to make p.mapper 2 compliant with W3C XHTML standards.
Re-structured measure functions, including geometry.js libary.


Luca Marletta from beOpen.it
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For regularly testing of development versions and reporting bugs.