~jaro/balkon

ref: 5b76807e4e2a0b711b110d25719acdd3fea043a4 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.