This property will control snapping to the grid. For now it's just in the block progression direction, but I may extend it to be a pair of values for character grid snapping in the future.
Created attachment 114573 [details] Patch
Comment on attachment 114573 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=114573&action=review > Source/WebCore/rendering/style/StyleRareInheritedData.h:107 > + whoops
Landed ages ago and just didn't get closed.