[Bug 24176] Clarify that custom SVG elements must extend an existing SVGElement

https://www.w3.org/Bugs/Public/show_bug.cgi?id=24176

--- Comment #1 from Dimitri Glazkov <dglazkov@chromium.org> ---
Sure, I can add some informative text.

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Received on Thursday, 16 January 2014 21:45:38 UTC