~jaro/balkon

ref: ddfeaa503aaca344bc22d438fef5af45f7e00463 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.