Would Google index attributes in XLink namespace? E.g.: <img src="pic.jpg" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="about.html" /> I know th

Would Google index attributes in XLink namespace? E.g.: <img src="pic.jpg" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="about.html" /> I know they index SVG documents, and there’s no @href in SVG namespace… Would that work for (X)HTML5 documents, either served as HTML or XML document? You’d still need JS polyfill, but at least the semantics remain intact.