* 仕様書

[1] [CITE[SDML - Signed Document Markup Language - Version 2.0]], [TIME[2017-10-02T10:21:51.000Z]], [TIME[2021-04-14T11:52:37.642Z]] <https://www.w3.org/TR/1998/NOTE-SDML-19980619/>

[3] [CITE[Submission request to the World Wide Web Consortium]], [TIME[1998-06-19T17:16:56.000Z]], [TIME[2021-04-14T11:59:08.867Z]] <https://www.w3.org/Submission/1998/09/>

[4] [CITE@en[W3C Staff Comment on SDML Submission]], [TIME[1998-06-19T18:53:55.000Z]], [TIME[2021-04-14T11:59:33.211Z]] <https://www.w3.org/Submission/1998/09/Comment>

* 日時形式

[2] [CITE[SDML - Signed Document Markup Language - Version 2.0]], [TIME[2017-10-02T10:21:51.000Z]], [TIME[2021-04-14T11:53:18.236Z]] <https://www.w3.org/TR/1998/NOTE-SDML-19980619/#SECTION0053201>

* メモ