[1] [CITE[XFA-Template]], [TIME[2021-04-21T03:27:39.000Z]] <https://www.w3.org/1999/05/XFA/xfa-template-19990614#prose-picture-clause>

[2] [CITE[XFA-Template]], [TIME[2021-04-21T03:31:37.000Z]] <https://www.w3.org/1999/05/XFA/xfa-template-19990614#element-spec-date>

[3] [CITE[XFA-Template]], [TIME[2021-04-21T03:33:10.000Z]] <https://www.w3.org/1999/05/XFA/xfa-template-19990614#element-spec-datetime>

[4] [CITE[XFA-Template]], [TIME[2021-04-21T03:33:56.000Z]] <https://www.w3.org/1999/05/XFA/xfa-template-19990614#element-spec-time>

[5] [CITE[XFA-Template]], [TIME[2021-04-21T03:34:18.000Z]] <https://www.w3.org/1999/05/XFA/xfa-template-19990614#element-spec-datetimeedit>

[6] [CITE[XFA FormCalc Specification]], [TIME[2021-04-21T03:41:12.000Z]] <https://www.w3.org/1999/05/XFA/xfa-formcalc-19990614#xtocid867330>

[7] 
[CITE[XFA Date and Time Formats]] [CODE[xfa-datetime]]
という文書があったらしいが、
[CITE[Internet Archive]]
にも所蔵なし。
[TIME[2021-04-21T03:45:35.200Z]]

[8] 
<https://web.archive.org/web/20000819135454/http://www.xfa.com/spec/xfa-template-19990504/#ref-xfa-datetime>
時点で
「@@tbd」となっていて、
<https://web.archive.org/web/20000819135434/http://www.xfa.com/spec/xfa-template-19990614/#ref-xfa-datetime>
では
「"XFA Date and Time Formats", G. McKenzie, R. McDougall, February 1998.
Available at http://www.xfa.com/spec/xfa-datetime.html」
となっている。一応存在はしたのだろう。