It's a pseudo-code example like in the original post. A working example with valid syntax can be found in the codepen. -- GitHub Notification of comment by ruphin Please view or discuss this issue at https://github.com/w3c/csswg-drafts/issues/1995#issuecomment-367355692 using your GitHub accountReceived on Wednesday, 21 February 2018 15:05:59 UTC
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