Re: [csswg-drafts] [css-pseudo-4] Should Element.pseudo("unknown") be an error or return null? (#3603) from fantasai via GitHub on 2019-03-27 (public-css-archive@w3.org from March 2019)

From: fantasai via GitHub <sysbot+gh@w3.org>
Date: Wed, 27 Mar 2019 16:42:16 +0000
To: public-css-archive@w3.org
Message-ID: <issue_comment.created-477245858-1553704935-sysbot+gh@w3.org>

@annevk `::before` would be valid. `:before` would be invalid. If we later allow `::part()` then we'll have to define what gets returned for the various arguments to it; currently it's invalid because not supported.

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Received on Wednesday, 27 March 2019 16:42:17 UTC