~jaro/balkon

ref: 573d4d8d02f6d30b7c1930f86f761120cc947350 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.