We (myself and Anatoly) discussed UMO catalogue and updated the spec accordingly. Here are the links: http://www.total-knowledge.com/wiki/index.php/UU_Page_Flow#Main_repository_page http://www.total-knowledge.com/wiki/index.php/UU#Catalogue If you have any questions, let us know, we'll update the pages.. :) -- Ilya A. Volynets-Evenbakh http://www.total-knowledge.com