~jaro/balkon

ref: 62b95c9e616030c3a1bdfe158634b2d6ee9fc4a9 balkon/src/Data/Text/ParagraphLayout/Internal/Rich/ParagraphLayout.hs -rw-r--r-- 2.4 KiB 
Add ancestor boxes to interface.

Implement Rich pagination.

Add basic support for Rich layout.