On Mon, Sep 21, 2015 at 11:48 AM, Jens Oliver Meiert <jens@meiert.com> wrote: > (CC www-style for spec may be ambiguous) > > The CSS validator throws parse errors for constructs like > > a[href^='http']:after { > content: ' <' attr(href) '>'; > } > > (Same for “content: ' \003C' attr(href) '\003E';”—both should work > from what I can tell.) > > Two of the relevant documents I checked [1,2] seem blissfully unclear > about concatenation, however it appears (per samples like “string-set: > author attr(author);”) that this is, indeed, valid CSS. > Implementations (WebKit) support that notion, for the code is > supported. > > Unless I’m missing something, can the validator team look into this, > and the CSS working group clarify if necessary? > > Cheers, > Jens. > > > [1] http://www.w3.org/TR/CSS21/generate.html > [2] http://www.w3.org/TR/css3-content/ You're correct, that's definitely valid. This is clear in the 2.1 grammar - there's a long list of string-ish things wrapped in a []+, which indicates you can use one or more, space-separated. I'm unsure about who maintains the validator, but I guess you hit the right mailing list. ~TJReceived on Monday, 21 September 2015 20:21:44 UTC
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