[Webkit-unassigned] [Bug 243537] New: 'animation-foo' declarations in @keyframes should be parse error

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=243537

            Bug ID: 243537
           Summary: 'animation-foo' declarations in @keyframes should be
                    parse error
           Product: WebKit
           Version: Safari 15
          Hardware: Mac (Apple Silicon)
                OS: macOS 12
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: CSS
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: zlip.792 at gmail.com

Hi Team,

I was looking through CSSOM bug cases where Webkit might be different compared to other browsers and came across following:

Test Case - https://jsfiddle.net/7d1Lyavc/

Chrome Bug - https://bugs.chromium.org/p/chromium/issues/detail?id=1329311

Chrome Commit - https://chromium.googlesource.com/chromium/src/+/936f2a7b9a4fc4184f37e9539ea65fef6fcf528a

*** STEPS TO REPRODUCE ***

Run the JSFiddle

>>> EXPECTED RESULT:

@keyframes foo {
0% {  }
100% {  }
}"

>> ACTUAL RESULT: (In Safari 15.6 on macOS 12.5)

@-webkit-keyframes foo { 
  0% { animation-name: bar; }
  100% { animation-name: baz; }
}

____

Other browsers (Firefox Nightly 105 and Chrome Canary 106) show "Expected Result".

Appreciate if this can be fixed so all browsers are aligned, if it is already fixed in Webkit Nightly or upstream, please mark this as duplicate.

Thanks!

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