[1] [CITE@en[Issue #9. Add section for at-rule aliases (w/ @-webkit-keyframes) · whatwg/compat@71b1486]]
([TIME[2015-10-31 12:13:14 +09:00]] 版)
<https://github.com/whatwg/compat/commit/71b1486d8f4eccc9f390fdcf9d45f2993a66bc68>

[2] [CITE@en[Deprecations and Removals in Chrome 60  |  Web  |  Google Developers]]
([TIME[2017-06-15 00:01:43 +09:00]])
<https://developers.google.com/web/updates/2017/06/chrome-60-deprecations>