[1]
[[Safari]]: 1.3 以上で [CODE(HTMLa)@en[[[contenteditable]]]]
と [CODE(DOMa)@en[[[designMode]]]] に対応。

[2]
[CITE[Web Applications 1.0]] <http://www.whatwg.org/specs/web-apps/current-work/#contenteditable>

[3]
[CITE[CONTENTEDITABLE Attribute | contentEditable Property (defaults, A, ACRONYM, ...) (Internet Explorer - DHTML)]] <http://msdn.microsoft.com/workshop/author/dhtml/reference/properties/contenteditable.asp>

[4]
>>2 によれば標準の値は[CODE(HTML)@en[[[true]]]]と[CODE(HTML)@en[[[false]]]]。
>>3 によれば[[WinIE 5.5]]とそれ以降では更に[CODE(HTML)@en[[[inherit]]]]も実装。
>>3 中の使用例に拠れば [CODE(HTML example)@en[<[VAR[element-type]] contentEditable>]]のように省略形にもできる。

解説サイトの中には[CODE(HTML)@en[contentEditable="yes"]]を紹介しているところもある。根拠不明。

[20]
[CITE@ja-JP[Internet Explorer 5.5 を使った 編集可能な Web ページの作成方法]] ([CODE[2007-04-07 13:42:05 +09:00]] 版) <http://www.microsoft.com/japan/msdn/web/html/mshtml/createwp.aspx#createwp_topic3>

[22]
[CITE@ja[contentEditable のサポート - えむもじら]] ([CODE[2007-07-06 22:13:00 +09:00]] 版) <http://level.s69.xrea.com/mozilla/index.cgi?id=20070705_contentEditable>

[414]
[CITE[contentEditable の不完全な対応 - A blog? with Σαιτω]] ([CODE[2008-02-09 23:15:11 +09:00]] 版) <http://d.hatena.ne.jp/saiton/20080209/1202566454>

[5]
[CITE@en[Re: several messages about contentEditable, text selection, and related subjects from Ian Hickson on 2008-03-09 (public-html@w3.org from March 2008)]] ([[Ian Hickson (ian@hixie.ch)]] 著, 
[CODE[2008-03-09 20:30:01 +09:00]] 版) 
<http://lists.w3.org/Archives/Public/public-html/2008Mar/0037.html>

[415]
[CITE[Web Applications 1.0 ― contentEditable and disabled]] ([CODE[2005-07-21 07:00:00 +09:00]] 版) <http://annevankesteren.nl/projects/whatwg/spec>
([[名無しさん]])


[416]
[CITE[contentEditable - block breaks]] ([TIME[2005-07-21 00:42:03 +09:00]] 版) <http://web.archive.org/web/20060305151716/jorgenhorstink.nl/projects/whatwg/blockbreak.htm>
([[名無しさん]])



[417] [CITE[IRC logs: freenode / #whatwg / 20100813]]
([TIME[2010-08-15 22:18:12 +09:00]] 版)
<http://krijnhoetmer.nl/irc-logs/whatwg/20100813#l-567>

[418] [CITE[''''''[''''''whatwg'''''']'''''' '''['''editing''']''' Proposal: Undeletable elements within contentEditable]]
( ([TIME[2011-07-28 08:37:23 +09:00]] 版))
<http://lists.whatwg.org/htdig.cgi/whatwg-whatwg.org/2011-July/032649.html>

[419] [CITE@en[Web Applications 1.0 r6528 Remove Editing APIs and related sections in favour of http://aryeh.name/spec/editing/editing.html]]
( ([TIME[2011-08-26 09:43:00 +09:00]] 版))
<http://html5.org/tools/web-apps-tracker?from=6527&to=6528>

[420] [CITE[Google Documentの入力欄を僕達はまだ知らない。 - Google Docs]]
( ([TIME[2011-12-31 16:21:58 +09:00]] 版))
<https://docs.google.com/document/d/1RRBJqK9TPGFA5pQPnafDTa0VWKq6Wh9DNiKjsLaZ63U/edit?pli=1>

[421] [CITE[IRC logs: freenode / #whatwg / 20120112]]
( ([TIME[2012-01-14 20:12:20 +09:00]] 版))
<http://krijnhoetmer.nl/irc-logs/whatwg/20120112>

[422] [CITE[''''''[''''''whatwg'''''']'''''' Should editable elements have placeholder attribute?]]
( ([TIME[2012-08-30 01:12:43 +09:00]] 版))
<http://lists.whatwg.org/pipermail/whatwg-whatwg.org/2012-August/037044.html>

[423] [CITE@en[Bug 14554 – Consider adding support for contenteditable=plaintext]]
( ([TIME[2012-10-18 09:02:30 +09:00]] 版))
<https://www.w3.org/Bugs/Public/show_bug.cgi?id=14554>

[424] [CITE[''''''[''''''whatwg'''''']'''''' Submitting contentEditable Content In A Form]]
( ([TIME[2012-10-21 08:55:34 +09:00]] 版))
<http://lists.whatwg.org/pipermail/whatwg-whatwg.org/2012-October/037680.html>

[425] [CITE[''''''[''''''whatwg'''''']'''''' Submitting contentEditable Content In A Form]]
( ([TIME[2012-12-20 04:51:06 +09:00]] 版))
<http://lists.whatwg.org/pipermail/whatwg-whatwg.org/2012-December/038426.html>

[426] [CITE@en[First Draft of HTML Editing APIs published by HTML Editing APIs Community Group ''''''[''''''via HTML Editing APIs'''''']'''''']]
( ([[Search Team]] 著, [TIME[2012-04-25 18:43:43 +09:00]] 版))
<http://lists.w3.org/Archives/Public/public-editing/2012Apr/0000.html>

[427] [CITE@en[''''''[''''''editing'''''']'''''' nested contenteditable]]
( ([[Johannes Wilm]] 著, [TIME[2013-05-28 22:36:22 +09:00]] 版))
<http://lists.w3.org/Archives/Public/public-webapps/2013AprJun/0790.html>