We've made a modest contribution to the cathedral: threaded comments, committed in the xwiki-sandbox. It mainly consists in the addition of the class "com.xpn.xwiki.util.TreeNode" used for storing a tree structure composed of XWiki objects linked to one another via any given property. In the case of XWikiComments, that property is the "replyto" property. The display is managed by a CSSed list, see the addition to xwiki.css and wiki.css, as well as a Groovy script available in xwiki-sandbox/threaded-comments as well. See the feature in action at this page for instance: http://club.mandriva.com/xwiki/bin/view/Main/SpreadAcademia Stéphane and Christophe at your disposal for further info! -- Stéphane Laurière [email protected] Mandriva Club - http://club.mandriva.com Mandrakesoft becomes Mandriva!