Revised plan.

* dhandlers for: ** /atom/$date/$title for XML::ATOM ** /rss/$date/$title for RSS * Left bar ** Only display root categories, parents of current category, and peers of current category. * Right bar ** Calendar sorting on posts/day. ** Links extracted from the current content using HTML::Treebuilder * Fix whitespace before and after posts. * Dublin core RDF. * Creative Commons. * FOAF. * Images in post entries.