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+This folder contains UML diagrams for certain implementations within this project.
+
+To view/edit them, you need "Poseidon for UML". The free community edition (which
+is completely sufficient for all documents herein) is available from
+http://www.gentleware.com/.
+
+It is probably also possible to open the documents with ArgoUML, the free open source
+UML tool which Poseidon for UML is based on. Visit http://argouml.tigris.org/ to
+obtain ArgoUML.