[6] HTML 5 ( 版) http://www.whatwg.org/specs/web-apps/current-work/#attr-spellcheck
[1] Controlling spell checking in HTML forms - MDC http://developer.mozilla.org/ja/docs/Controlling_spell_checking_in_HTML_forms
[2] http://damowmow.com/playground/spellcheck.txt
[4] [whatwg] Spellchecking proposal #2 ( 版) http://lists.whatwg.org/pipermail/whatwg-whatwg.org/2006-June/006762.html
[3] Index of /tests/adhoc/html/global-attributes/spellcheck http://www.hixie.ch/tests/adhoc/html/global-attributes/spellcheck/
[5] Re: Spellchecking mark III (Ian Hickson <ian@...> 著, 版) http://permalink.gmane.org/gmane.org.w3c.whatwg.discuss/17893
[7] [CITE@@en[Web Applications 1.0 r5299 Revert r3385 - there are sites that depend on .spellcheck being a boolean, it turns out.Fixing http://www.w3.org/Bugs/Public/show_bug.cgi?id=10276]] ( ( 版)) http://html5.org/tools/web-apps-tracker?from=5298&to=5299
[8] Web Applications 1.0 r8044 Make spellcheck= not apply to controls like <input type=date> that don't have usefully checkable content.]] ( ( 版)) http://html5.org/tools/web-apps-tracker?from=8043&to=8044
[9] Controlling spell checking in HTML forms - HTML (HyperText Markup Language) | MDN ( 版) https://developer.mozilla.org/en-US/docs/Web/HTML/Controlling_spell_checking_in_HTML_formsControlling_spell_checking_in_HTML_forms
[10] Clarify spellchecking state descriptions · whatwg/html@8f144e8 ( 版) https://github.com/whatwg/html/commit/8f144e8df1feb00b19070415486b09a70ab41442
[11] Editorial: always state invalid value default (GloverDonovan著, ) https://github.com/whatwg/html/commit/7e941ae96b264d4743ea0afac00c3b3209ab0cde
[12] Chrome / Edge の高度なスペルチェック機能、パスワードをサーバーに送信する可能性 | スラド IT () https://it.srad.jp/story/22/09/20/1445214/