~jaro/balkon

ref: 2a2cdd51f9c7560ff2eb6e92a2fe3a4b75b54e1c balkon/src/Data/Text/ParagraphLayout/Internal/Tree.hs -rw-r--r-- 2.9 KiB 
Store direction in ResolvedBox.

Use ResolvedBox when flattening trees.

Define tree for structuring paragraph content.