[1] [CITE@en[RFC 4324: Calendar Access Protocol (CAP)]], [TIME[2023-12-02T07:30:13.000Z]], [TIME[2023-12-02T12:28:43.763Z]] <https://www.rfc-editor.org/rfc/rfc4324.html#page-10>

[2] [[ドメイン名]]構文。