Re: [csswg-drafts] [web-animations-1] Fix invalid error code for KeyfameEffect.pseudoElement (#4829)

I'm not sure. I think we're trying to match WebIDL semantics here [which throws a JS TypeError for an invalid enum value](https://heycam.github.io/webidl/#es-enumeration), for example.

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Received on Wednesday, 4 March 2020 23:07:43 UTC