+\twocolitem{{\bf wxArchiveFSHandler}}{A handler for archives such as zip
+and tar. Include file is <wx/fs\_arc.h>. URLs examples:
+"archive.zip\#zip:filename", "archive.tar.gz\#gzip:\#tar:filename".}
+\twocolitem{{\bf wxFilterFSHandler}}{A handler for compression schemes such
+as gzip. Header is <wx/fs\_filter.h>. URLs are in the form, e.g.:
+"document.ps.gz\#gzip:".}