ResourceLoader doesn't currently produce W3C valid code in the process.

[ W3C validator error ]

Error Line 14, Column 137: Bad value ResourceLoaderDynamicStyles for attribute name on element meta: Keyword resourceloaderdynamicstyles is not registered.

<meta name="ResourceLoaderDynamicStyles" content="" />

Syntax of metadata name:

A metadata name listed in the HTML specification or listed in the WHATWG wiki. You can register metadata names on the WHATWG wiki yourself.

[ Solution ]

See if this is an issue.

If yes, WHATWG wiki relevant page is http://wiki.whatwg.org/wiki/MetaExtensions.

If not, document the behavior in a known bugs section.

[ Adding happy.melon.wiki@gmail.com as CC, per git blame ]

Version: 1.21.x
Severity: minor