[CSS2] Added a border-collapse edge case (mono-cell-table) #27753
On my website:
Efforts worth noting:
[css22] [css-tables] [border-collapse] How borders of different colors join at corners?
I don't think the behavior at corners in collapsed borders mode is defined enough to accept this test. And also it probably shouldn't be, because intersections for collapsed borders model has lots of considerations. Ideally in a single-celled table it would be identical to separate borders model, but since the general code to handle collapsed borders has to consider many things I don't think making this a requirement is a good idea.