Site Improvement Notes
Reference and Introductions are links in both the sidebar and in the Guide. It's may be a tiny bit navigationally confusing. Solution?
http://helma.org/docs/guide/framework/#reshandler
type.properties link does not work
http://helma.org/docs/mapping/ not found
Because gobi allows for a hierachical wiki - consider cleaning up the top level of the -WIKI- pages area and transition into appropriate topics areas.
The tutorial section covers using HopObjects with databases - but I feel that an initial better exmaple would be to illustrate using the internal xml database for persistence of HopObjects. Perhaps - perhaps that's already covered in the HopObject example but it's not concretely documented.