[whatwg] Specify getSVGDocument

[Boris Zbarsky]

On 11/18/13 1:37 PM, Philip Jägenstedt wrote:
> http://software.hixie.ch/utilities/js/live-dom-viewer/?saved=2643
>
> In my testing, getSVGDocument is supported on <embed>, <frame>,
> <iframe> and <object> in Firefox Nightly, IE11 Preview, Safari 7.0 and
> Opera 12.16, the only exception being frame.getSVGDocument in Firefox.
>
> I don't know if this API is actually useful, but since it's already
> implemented everywhere it should probably be spec'd.

SVG2 is trying to spec it, afaict, as basically an alias for 
.contentDocument.  It _would_ make more sense to do that in HTML, I agree.

-Boris