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Re: [csswg-drafts] [selectors] :user-error or :user-invalid?

From: fantasai via GitHub <sysbot+gh@w3.org>
Date: Sat, 27 Jan 2018 00:15:28 +0000
To: public-css-archive@w3.org
Message-ID: <issue_comment.created-360940438-1517012127-sysbot+gh@w3.org>
@foolip Yes, I think your example counts. :) It's a judgement call, but that doesn't mean we can't test it: we pick a reasonable interpretation, and if a UA fails because it disagrees with that reasoning it can argue for the test to be altered. Otherwise it needs to pass it. ;)

As for the PR: parsing support tests are dangerous when there is no corresponding functional test. It encourages browsers to support parsing without supporting the function--it's been a problem in the past, and it seriously breaks CSS's forwards-compatible parsing invariants.

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Received on Saturday, 27 January 2018 00:15:32 UTC

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