[4] [CITE[<progress> and <meter> feedback]] ([[Ian Hickson <ian@...>]] 著, [CODE[2008-04-19 06:33:50 +09:00]] 版) <http://permalink.gmane.org/gmane.org.w3c.whatwg.discuss/13765>

[5] [CITE[Re: finding a number...]] ([[Ian Hickson <ian@...>]] 著, [TIME[2008-05-07 02:16:49 +09:00]] 版) <http://permalink.gmane.org/gmane.org.w3c.whatwg.discuss/14016>

[1] [CITE[<progress> processing and authoring requirements]]
([TIME[2009-10-18 16:40:33 +09:00]] 版)
<http://suika.suikawiki.org/~wakaba/test/web/html/progress/reqs/tests.html>

[2] [CITE[/trunk/WebCore/css/html.css – WebKit]]
([TIME[2010-07-04 12:20:03 +09:00]] 版)
<http://trac.webkit.org/browser/trunk/WebCore/css/html.css>

[6] [CITE@en[(X)HTML5 Tracking]]
([TIME[2009-10-28 06:57:26 +09:00]] 版)
<http://html5.org/tools/web-apps-tracker?from=4349&to=4350>