[1] [CITE[Styling – SVG 1.1 (Second Edition)]]
( ([TIME[2011-08-10 12:35:27 +09:00]] 版))
<http://www.w3.org/TR/2011/REC-SVG11-20110816/styling.html#AuralStyleSheets>

[2] [CITE[Styling – SVG 1.1 (Second Edition)]]
( ([TIME[2011-08-10 12:35:27 +09:00]] 版))
<http://www.w3.org/TR/2011/REC-SVG11-20110816/styling.html#AuralStyleSheets>

[3] [CITE@en[Fix races between tasks resolving/rejecting play promises and them be…]]
( ([[mounirlamouri]]著, [TIME[2016-04-13 00:57:59 +09:00]]))
<https://github.com/whatwg/html/commit/18be384bc7c9c1a7f3201a73e870682844addf3a>