[1] RFC 8144 - Use of the Prefer Header Field in Web Distributed Authoring and Versioning (WebDAV) (2017-04-19 23:22:44 +09:00) https://tools.ietf.org/html/rfc8144#section-2.3

[2] RFC 4791 - Calendaring Extensions to WebDAV (CalDAV) (2017-09-24 16:22:36 +09:00) https://tools.ietf.org/html/rfc4791#section-2

[3] RFC 4791 - Calendaring Extensions to WebDAV (CalDAV) (2017-09-24 16:22:36 +09:00) https://tools.ietf.org/html/rfc4791#section-5.3.1

[4] RFC 5689 - Extended MKCOL for Web Distributed Authoring and Versioning (WebDAV) (2017-09-17 19:54:27 +09:00) https://tools.ietf.org/html/rfc5689#section-1

[5] RFC 5689 - Extended MKCOL for Web Distributed Authoring and Versioning (WebDAV) (2017-09-17 19:54:27 +09:00) https://tools.ietf.org/html/rfc5689#section-4.1