[csswg-drafts] [css-grid-3] Does reversing reverse placement only or also line/track ordering? (#12971)

fantasai has just created a new issue for https://github.com/w3c/csswg-drafts:

== [css-grid-3] Does reversing reverse placement only or also line/track ordering? ==
From @celestepan's https://github.com/w3c/csswg-drafts/issues/12803#issuecomment-3387605000

>> In masonry, if we go with option 2, the behavior is exactly analogous: `row-reverse` places items right-to-left instead of left-to-right across the columns, and `wrap-reverse` stacks them up instead of down.
>
> Regardless of the naming, for implementations where we change the direction in which we're placing items across tracks (in columns, if we place items right-to-left, in rows, if we place items bottom-up), would we want to reverse the line names / line indices as well?
>
> If we have 4 lines, would line 1 still be the left-most line, or would the right-most line become line 1?

When we talked about reversing originally, I don't think we explicitly considered this aspect of it when adding these values in #3622. What _should_ happen? Do we have use cases to help us determine that?

Please view or discuss this issue at https://github.com/w3c/csswg-drafts/issues/12971 using your GitHub account


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Received on Friday, 17 October 2025 21:18:05 UTC