~jaro/balkon

ref: 0b2a78cbf854bd0ef02be2ee5cd1aa65315eab1a 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.