doesn't have the original base category.
The use case is that for destination_region to work on a movement (the
movement should acquire the region from the destination node), the node itself
doesn't have to define destination_region category.



git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@15606 20353a03-c40f-0410-a6d1-a30d3c3de9de