Description

I was reading through CSS grid docs and began to consider how directionality would affect cell layout. (And also visual interpretation of grid lines -- grid line 1 would be on right instead of left if rtl -- but because the numbering remains consistent with source order this probably doesn't need to be documented.)

I saw that CSS direction docs mention effect on table cell layout but neglect to mention grid cell layout as well. This is simple to fix and syncs direction documentation to mention effect upon a relatively newer spec.

Additional details

You can readily verify this behavior by loading this example and changing the ltr class on the wrapper <div> to rtl. The second line's cell will run between column lines 2 and 4 (1-indexed) visibly differently in the two cases, according to the affected line numbering. And the first line's cells will automatically run in accordance with the applied direction.