This Coq module has been developed by Claudio Sacerdoti Coen as a member of project HELM, to provide XML files to be used in the project. Project HELM (for Hypertextual Electronic Library of Mathematics) is a project developed at the Department of Computer Science, University of Bologna; http://www.cs.unibo.it/helm The author is interested in any other possible usage of the module. So, if you plan to use the module in other projects/development, please send him an e-mail. The licensing policy applied to the module is the same as for the whole Coq distribution.