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Ah, true. They do that for display (which is better than nothing, though it isn't true support-- thanks for pointing that out), but they at least let you upload SVG files. 
http://minus.com/ supports SVG while we're all waiting [=

Not sure why this is taking so long. It seems like it would be a simple code change to say "When the file is an svg, allow uploading it and embed it like any other"