Looking at http://www.w3.org/TR/SVG11/pservers.html#InterfaceSVGPatternElement it is clear it does not derive from SVGLocatable, yet we do that in the sources. Fix this.
Created attachment 12343 [details] First attempt Not that important, but should still be fixed :) Cheers, Rob.
Comment on attachment 12343 [details] First attempt r=me!
Landed in r18739.