-webkit-mask-box-image should be a shorthand of: 1. -webkit-mask-box-image-source 2. -webkit-mask-box-image-slice 3. -webkit-mask-box-image-width 4. -webkit-mask-box-image-outset 5. -webkit-mask-box-image-repeat
Pull request: https://github.com/WebKit/WebKit/pull/7452
Pull request: https://github.com/WebKit/WebKit/pull/7463
Committed 257723@main (3bdc3f2824cf): <https://commits.webkit.org/257723@main> Reviewed commits have been landed. Closing PR #7463 and removing active labels.
<rdar://problem/103250652>