RE: [css4-pseudo] The need for more powerful pseudo elements

> [When multiple decorators are applied], which one stays? 

I don't know if multiple decorators are allowed per-spec right now, so it's very possible the spec doesn't accommodate for that. Decorators are quite recent. My feeling is that they would be applied in order* (ie: if you have two decorator, the <content> of the second decorator maps to the generated content by the previous decorator.

But that's a question you should maybe ask to the people writing the Web Components specification (at public-webapps@w3.org). I'm going to see if I can get in touch with Dimitri Glazkov about this, to get his opinion.

By the way, I don't say we should deliberately not implement multiple pseudo-elements; they are people pushing for this in the WG and I believe it will possibly materialize in browsers at some point. That's probably an easier path for some reasons. I'm just saying I don't believe this isn't the best path to follow.


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* For now, let's assume that by 'in order' I mean "decorator: dec1, dec2" == apply dec1, then apply dec2. There'll be other ways of doing this in the future but this is looking at even longer sight.

Received on Monday, 29 April 2013 19:39:42 UTC