cyrus-doc 2.4.17+caldav~beta9-4 (i386 binary) in ubuntu utopic

 This is an empty package that depends on the current "best" version
 of cyrus-doc (currently cyrus-doc-2.4), as determined by the Cyrus
 IMAPD maintainers. Install this package if in doubt about which
 Cyrus IMAPD version you want, as this is the one we consider to be in
 the best shape.
 .
 For more information, please see the cyrus-common-2.4 package.