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Re: [css-style-attr] Update and grammar question

From: fantasai <fantasai.lists@inkedblade.net>
Date: Thu, 14 Jan 2010 12:04:45 -0800
Message-ID: <4B4F78DD.1010009@inkedblade.net>
To: Bert Bos <bert@w3.org>
CC: "www-style@w3.org" <www-style@w3.org>
On 01/13/2010 11:17 AM, Bert Bos wrote:
>
> The grammars in CSS 2.1 are bigger than this one and making sure that
> they are neither missing S tokens nor have redundant ones is tricky.
> That's not an issue in this much simpler draft.
>
> But there is some confusion between sections 3 and 4. Both claim to
> define the syntax. I think we should merge them into a single section.
> That could be like this:
>
>      3. Syntax and Parsing
>
>      The value of the styling attribute must match the syntax of the
>      contents of a CSS declaration block[link], i.e.,
>
>           declaration-list: S* declaration? [ ';' S* declaration? ]*;
>
>      The interpreter must parse the styling attribute’s value using the
>      same forward-compatible parsing rules that apply to parsing
>      declaration block contents in a normal CSS style sheet. See
>      chapter 4 of the CSS 2.1 specification. [CSS21]
>
>      Note that because there is no open brace delimiting the declaration
>      list in the CSS styling attribute syntax, a close brace (}) in the
>      styling attribute's value does not terminate the style data: it is
>      merely an invalid token.
>
> And then drop section 4.
>
> The link to appendix G is not needed, because there is already a link to
> chapter 4 and all symbols are defined there as well.
>
> I wonder if it is useful to mention comments. The reference to chapter 4
> implies that comments can occur, but will all implementers notice that?
> A note like this might help:
>
>      Note that comment tokens aren't shown in the grammar rule above,
>      following the convention of chapter 4 of CSS 2.1.

Ok, I've updated the spec:
   http://dev.w3.org/csswg/css-style-attr/#syntax

How does that look?

~fantasai
Received on Thursday, 14 January 2010 20:06:46 GMT

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