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Re: [css3-conditional] value of CSSSupportsRule.conditionText

From: Daniel Glazman <daniel.glazman@disruptive-innovations.com>
Date: Sat, 04 Aug 2012 21:26:44 +0200
Message-ID: <501D7774.5030209@disruptive-innovations.com>
To: www-style@w3.org
Le 04/08/12 06:51, Cameron McCormack a écrit :
> It's not exactly clear to me what should be included in conditionText
> when it comes to white space and comments. For example, with:
> @supports (a: b) {}
> My guess is that we would want to return "(a: b)" rather than "(a: b )"
> or " (a: b) ". But looking at the grammar, I think supports_condition
> should actually include the trailing white space since there a "S*" at
> the end of each production. So I think the spec should say to trim white
> space of the string that is returned.
> But comments should probably stay, since if you think there is
> implicitly a COMMENT* between after each other symbol in the grammar
> then it would be included in the supports_condition, and it isn't as
> simple to trim comments from the string. So for:
> @supports /*1*/ (a: b) /*2*/ {}
> I think it should return "(a: b) /*2*/".

No. None of our existing serializations outputs comments and I don't
see why we should start here. In current implementations, comments
are usually stripped at parse time anyway by the lexer.

Received on Saturday, 4 August 2012 19:27:05 UTC

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