PUBLIC MARKS with tags caldav & rscds

The CalDAV specification has been under development for a few years now, and at the same time I have seen increasing pressure from clients to provide a solution to their shared calendaring problems. In evaluating the possibilities for shared calendaring, there are a number of possible approaches, but I have elected to follow the path of implementing CalDAV because I believe it is a good specification and that it will in due course gain client implementations and provide the richest user experience through those client implementations. Goals CalDAV is a client-server protocol specific to managing and reporting on collections of calendar resources. As such, my intentions in developing this application are as follows: * Simplicity of Prerequisites * Simplicity of Setup * Simplicity of Operation * Web-based Administration