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Raised By: Glenn Adams Adrian Bateman Robin Berjon Michael Cooper Paul Cotton Erika Doyle Navara Steve Faulkner James Graham Ian Hickson Lachlan Hunt Kris Krueger Philippe Le Hégaret Larry Masinter Matthew May Shawn Medero Ben Millard Jay Munro Joshue O Connor Edward O'Connor Frank Olivier Julian Reschke Gregory Rosmaita Sam Ruby Mark Sadecki Janina Sajka Doug Schepers Richard Schwerdtfeger Cynthia Shelly David Singer Henri Sivonen Jerry Smith Michael[tm] Smith Manu Sporny Maciej Stachowiak Everett Zufelt Michael[tm] Smith
Description: http://lists.w3.org/Archives/Public/public-html/2008Mar/0260.html From: Daniel Glazman <daniel.glazman@disruptive-innovations.com> Date: Fri, 28 Mar 2008 02:06:20 +0100 Message-ID: <47EC448C.4020303@disruptive-innovations.com> To: "public-html@w3.org" <public-html@w3.org> Cc: "www-style@w3.org" <www-style@w3.org> Dear HTML WG, The CSS WG has found today an incompatibility problem between the HTML4 and the HTML5 definitions of the style attribute. Excerpt from HTML 4.01 spec [1]: For example, for CSS2 inline style, use the declaration block syntax described in section 4.1.8 (without curly brace delimiters). Excerpt from HTML 5 spec [2]: The style attribute, if specified, must contain only a list of zero or more semicolon-separated (;) CSS declarations. This change has an implication on the error handling supposed to occur during the parsing of the contents of the attibute. An example is the following one : style="color:lime; (; color:red" HTML 5 will make the element red, because HTML 5 explicitely splits the contents of the attribute at semicolons. The error handler looking for the matching closing parenthesis does not find it at all, the () pair on the stack is closed finding the semicolon ending the declaration. In HTML 4, the style attribute holding the contents of a CSS block, the error handler will look for the matching closing parenthesis as required by CSS 2.1 until the end of the attribute's content. The element will then be lime. The CSS WG would like the definition of the style attribute in HTML 5 to go back to the phrasing of HTML 4, entirely leaving the definition of that attribute's value to the stylesheet's language and error handling. We don't think HTML 5 should define the contents of the style attribute in deeper details than what HTML 4 does, and in particular should not specify how individual stylistic data are separated inside the value of the style attribute. Thanks. [1] http://www.w3.org/TR/1999/REC-html401-19991224/present/styles.html#adef-style [2] http://www.w3.org/html/wg/html5/#style0 </Daniel>, CSS WG co-chair
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