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[Bug 10962] New: Change <param> to be dynamic

From: <bugzilla@jessica.w3.org>
Date: Fri, 01 Oct 2010 19:41:08 +0000
To: public-html@w3.org
Message-ID: <bug-10962-2495@http.www.w3.org/Bugs/Public/>

           Summary: Change <param> to be dynamic
           Product: HTML WG
           Version: unspecified
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: HTML5 spec (editor: Ian Hickson)
        AssignedTo: ian@hixie.ch
        ReportedBy: schepers@w3.org
         QAContact: public-html-bugzilla@w3.org
                CC: mike@w3.org, public-html-wg-issue-tracking@w3.org,


The <param> child element of the <object> element should expose any 
changes made in the DOM to the resource referenced by the <object> element.


Currently, the HTML5 spec only describes the behavior of the <param> 
element when the referenced object is being instantiated.  Once the 
object is initialized, changes in the parameters, including changes to 
the values, or the insertion or removal of new <param> elements, no 
longer have any effect.  As a consequence, authors trying to make 
dynamic changes to referenced content are inconvenienced, and the 
behavior is not intuitive.


For improved reusability of referenced content, including SVG components 
as described in the SVG Parameters specification [1], the SVG WG 
requests that the HTML5 spec change that that when parameters are 
changed, added, or deleted, the updated values are passed along to the 
referenced content, so they can (if the referenced document type 
permits) be reflected automatically in that content.

[1] http://www.w3.org/TR/SVGParam/


Allows a more dynamic, intuitive, useful, and seamless reuse of SVG 
components, such as infographics, logos, and custom controls.

Not backwards compatible with older browsers, but is very unlikely to 
have any negative effect on existing content, nor to impose a particular 
implementation or performance burden.


See Negative Effects.

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Received on Friday, 1 October 2010 19:41:12 UTC

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