~jaro/balkon

ref: 0975c99f8e8fc2f33c968daa8968444bb0c026c5 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.