~jaro/balkon

ref: 8067edb9bfff08bbf03aa67c6cc57efbc20f4531 balkon/.golden/richParagraphLayout/nestedBoxes.golden -rw-r--r-- 7.9 KiB 
Describe box edges with extensible type.

Handle ancestor boxes in rich layout.

Add ancestor boxes to interface.

Test Rich layout.