https://www.w3.org/TR/SVG2/struct.html#InterfaceSVGSymbolElement
Created attachment 382208 [details] Patch
Created attachment 382210 [details] Patch
Comment on attachment 382210 [details] Patch Clearing flags on attachment: 382210 Committed r251764: <https://trac.webkit.org/changeset/251764>
All reviewed patches have been landed. Closing bug.
<rdar://problem/56732056>