歴史

[3] CSS3 Speech Module ( (2011-04-20 05:59:14 +09:00 版)) http://www.w3.org/TR/2011/WD-css3-speech-20110419/

[1] CSS Speech Module ( (2011-08-18 00:56:21 +09:00 版)) http://www.w3.org/TR/2011/WD-css3-speech-20110818/

[2] CSS Speech Module ( (2012-03-20 09:18:31 +09:00 版)) http://www.w3.org/TR/2012/CR-css3-speech-20120320/

[6] CSS Speech Module ( (2013-08-03 00:34:47 +09:00 版)) http://dev.w3.org/csswg/css-speech/#background

[7] [css-speech] Splitting into Level 1 and Level 2 (fantasai 著, 2015-06-27 21:34:52 +09:00 版) https://lists.w3.org/Archives/Public/www-style/2015Jun/0347.html