Created attachment 377179 [details]
Open the attached test case.
Result: The SVG shows a broken image.
Expected: A 100x100 green rectangle.
The SVG has an image which has href="data:image/svg+xml<svg>...<view id='view'/>...</svg>#view". Parsing this URL fails and the image loader marks the image a "broken image".
Related WPT failed test:
It looks like something special needs to be done when loading an SVN data url with a fragment: