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[Bug 23468] New: Define that unknown elements implement SVGElement

From: <bugzilla@jessica.w3.org>
Date: Wed, 09 Oct 2013 12:05:33 +0000
To: www-svg@w3.org
Message-ID: <bug-23468-2017@http.www.w3.org/Bugs/Public/>
https://www.w3.org/Bugs/Public/show_bug.cgi?id=23468

            Bug ID: 23468
           Summary: Define that unknown elements implement SVGElement
           Product: SVG
           Version: SVG 2.0
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: SVG Document Object Model (DOM)
          Assignee: schepers@w3.org
          Reporter: simonp@opera.com
        QA Contact: www-svg@w3.org

Consider

<!doctype html>
<svg><x>

What interface does the <x> element use?

Spec says

[[
Every Element object that corresponds to an SVG element (that is, an element
with namespace URI "http://www.w3.org/2000/svg" and a local name that is one of
the elements defined in this specification) must also implement the DOM
interface identified in element definition. For example, in The ‘rect’ element,
the SVGRectElement interface is identified. This means that every Element
object whose namespace URI is "http://www.w3.org/2000/svg" and whose local name
is "rect" must also implement SVGRectElement.
]]
http://www.w3.org/TR/SVG2/svgdom.html#ElementsInTheSVGDOM

but this doesn't cover the <x> element above, which I think means it must
implement the Element interface. Blink and Gecko don't do that; they use
SVGElement interface for unknown elements in the SVG namespace.

I think the spec should require that all elements in the SVG namespace with a
local name that is not a defined SVG element in the spec, must implement the
SVGElement interface.

(HTML uses an "HTMLUnknownElement" interface for unknown elements, but that's
just because legacy content required it; we don't need to copy that for SVG.)

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Received on Wednesday, 9 October 2013 12:05:35 UTC

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