caldav::CalDAV instproc PROPFIND (public)

 <instance of caldav::CalDAV> PROPFIND

Defined in /var/www/openacs.org/packages/caldav/tcl/caldav-procs.tcl

read and answer PROPFIND requests RFC 2518, section 8.1 https://tools.ietf.org/html/rfc4918#page-35

Testcases:

PROPFIND_ios, PROPFIND_android, PROPFIND_thunderbird, Thunderbird_subscribe, macOS_subscribe