Stop treating grid-row-start / grid-column-start / grid-row-end / grid-column-end as list properties in the CSS Typed OM API. Our logic currently treats those as list properties because the CSS Parser (consumeGridLine) generates a CSSValueList to represent them.
Pull request: https://github.com/WebKit/WebKit/pull/8165
<rdar://problem/104094339>
Committed 258764@main (a0f88ce9701e): <https://commits.webkit.org/258764@main> Reviewed commits have been landed. Closing PR #8165 and removing active labels.