HTML fragment serialization should not strip whitespace from URL attribute values as per: - https://html.spec.whatwg.org/multipage/parsing.html#html-fragment-serialisation-algorithm
Created attachment 366628 [details] Patch
Comment on attachment 366628 [details] Patch Clearing flags on attachment: 366628 Committed r243821: <https://trac.webkit.org/changeset/243821>
All reviewed patches have been landed. Closing bug.
<rdar://problem/49570013>