[Webkit-unassigned] [Bug 245448] New: MutationObservers: document mutations - parser script insertion mutation & removal of parent during parsing

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=245448

            Bug ID: 245448
           Summary: MutationObservers: document mutations - parser script
                    insertion mutation & removal of parent during parsing
           Product: WebKit
           Version: Safari Technology Preview
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: DOM
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ahmad.saleem792 at gmail.com

Hi Team,

While going through Chrome Monorail, I came across following w3c test suite in relation to MutationObserver, which Safari 16 and STP 153 fails:

Link - http://w3c-test.org/dom/nodes/MutationObserver-document.html

Chrome Commit - https://chromium.googlesource.com/chromium/src.git/+/5a3def7f350a35e7e481714f0d3851c9434cdeec

______

Safari is failing following two test cases:

> parser script insertion mutation	
> removal of parent during parsing	

______

These are also failed by Firefox Nightly 107 while only Chrome Canary 108 pass them.

I was not able to find related bug, so I thought to great so we can track and if they are not needed then we can document our rationale at least.

Thanks!

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