Stop allowing trailing junk when parsing retry delay for EventSource: - https://html.spec.whatwg.org/multipage/server-sent-events.html#processField This aligns our behavior with Blink and Gecko.
Pull request: https://github.com/WebKit/WebKit/pull/2750
Committed 252885@main (8d4846adfa1f): <https://commits.webkit.org/252885@main> Reviewed commits have been landed. Closing PR #2750 and removing active labels.
<rdar://problem/97690876>