This indicates an attempt to access a Zwiki server.
Zwiki is a wiki engine written in Python based on the Zope web application server. It is free software released under the GNU General Public License. Zwiki supports a number of wiki markup styles, including MoinMoin, Structured text, reStructuredText, LaTeX or wysiwyg HTML. Zwiki also offers email-integrated discussion, an integrated issue tracker, internationalization support, precise access control, and many more optional features such as fuzzy urls, automatic page hierarchy, use of external editors, embedded DTML scripts, and RSS feeds for newly created pages.