Hi Team,

I just came across another bug / testcase, which is failing in Safari 16 / Safari TP 156:

Test Case - https://jsfiddle.net/20no3p91/show

Blink Commit - https://chromium.googlesource.com/chromium/src.git/+/271184ec08ca181a7d93eed532f3ce9efb9c0bcc

WPT Cover - Nope

Gecko - Failing similar to Webkit as of right now.

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Webkit Source - https://github.com/WebKit/WebKit/blob/f6f2c95eb900fce4967fbfb6586416363eb4fe7e/Source/WebCore/editing/MarkupAccumulator.cpp#L602

To do:

result.appendAttribute(downcast<Attr>(node).value());

or

appendAttribute(downcast<Attr>(node).value());

or something else totally.

NOTE - Add "Attr.h" header as well.

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Just wanted to create bug, so if I end up doing PR then I have something or else someone else take it up.

Thanks!