[1] [CITE[WTF-8 - Simon Tatham]] ([TIME[2017-03-01 21:42:22 +09:00]]) <http://simont.livejournal.com/163097.html>

- [2] [CITE@en[WTF-8, a transformation format of code page 1252]] ([TIME[2008-01-17 04:35:10 +09:00]]) <http://people.ds.cam.ac.uk/fanf2/hermes/doc/qsmtp/draft-fanf-wtf8.html>
-- 移転確認 [TIME[2020-12-20T01:41:17.300Z]]
-- [CITE@en[WTF-8, a transformation format of code page 1252]], [TIME[2008-01-16T19:35:10.000Z]], [TIME[2020-12-20T01:40:57.462Z]] <https://fanf2.user.srcf.net/hermes/doc/qsmtp/draft-fanf-wtf8.html>