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From Cameron McCormack <cam-batik-...@aka.mcc.id.au>
Subject Re: Custom elements and the "style" attribute
Date Wed, 12 Oct 2005 10:21:04 GMT
Graham Sanderson:
> From the CSSStyleDeclaration documentation:
> 
>  
> 
> "While an implementation may not recognize all CSS properties within a
> CSS declaration block, it is expected to provide access to all specified
> properties in the style sheet through the CSSStyleDeclaration
> interface."

That's interesting, since CSS 2 states[1]:

  In some cases, user agents must ignore part of an illegal style sheet.
  This specification defines ignore to mean that the user agent parses
  the illegal part (in order to find its beginning and end), but
  otherwise acts as if it had not been there.

  To ensure that new properties and new values for existing properties
  can be added in the future, user agents are required to obey the
  following rules when they encounter the following scenarios:

      * Unknown properties. User agents must ignore a declaration with
        an unknown property. For example, if the style sheet is:

            H1 { color: red; rotation: 70minutes }

        the user agent will treat this as if the style sheet had been

	    H1 { color: red }

This seems to contradict what's said in DOM 2 Style.  Certainly Batik's
CSS engine currently doesn't store any non-SVG CSS properties at the
moment.

Cameron

[1] http://www.w3.org/TR/CSS2/syndata.html#parsing-errors

-- 
  e-mail : cam (at) mcc.id.au    	icq : 26955922
     web : http://mcc.id.au/	        msn : cam-msn (at) aka.mcc.id.au
  office : +61399055779		     jabber : heycam (at) jabber.org

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