DAViCal/davical — pull request #6 by tchemineau (2013-04-29 16:18:46+00:00)
Title: Fix compatibilities with CalDAV clients

Some clients I tested does not support CDATA into responses: Sunbird (and maybe Thunderbird) and Agendav.

I proposed this workaround, but you should may be define a variable to allow CDATA or not into responses.