~jaro/balkon

ref: 62b95c9e616030c3a1bdfe158634b2d6ee9fc4a9 balkon/lib/Data/Text/ParagraphLayout/Plain.hs -rw-r--r-- 2.0 KiB 
Describe box edges with extensible type.

Add ancestor boxes to interface.

Deprecate the Plain interface.

Add user data to spans.

Add line numbers to laid out fragments.

Qualify Plain interface.