Expand the event instances for an RDATE or EXDATE property
RFC2068, 14.25: If none of the entity tags match, or if "*" is given and no current entity exists, the server MUST NOT perform the requested method, and MUST return a 412 (Precondition Failed) response.
This function launches an error
Expand the event instances for an RRULE property
Render the form / viewer as HTML to show the user
Render the user's collections
Render the user's relationships to other users & resources
Render the user's relationships to other users & resources
Returns the result of the LDAP query
Accessor for the read proxy group
Render XML for a single Principal (user) from the DB
The raw data sent along with the request
Render XML for this resource
Return general server-related properties for this URL