upgrade to 0.21; providing two new attributes "page_title" and "creator" for all kind of xowiki pages.The page_titles are used instead of page names (with the language prefix) where ever appropriate (e.g.in category listing)
upgrade to 0.18, support for text/enhanced, nicer links for pages, import and export of pages (export file can be used for import; use this e.g. for transfer pages to a different package instance or to a different oacs installation)