~jaro/balkon

ref: 35a5cc75e3831fa3139ebb43dcf2e0948a76be16 balkon/lib/Data/Text/ParagraphLayout/Plain.hs -rw-r--r-- 2.0 KiB 
Add ancestor boxes to interface.

Deprecate the Plain interface.

Add user data to spans.

Add line numbers to laid out fragments.

Qualify Plain interface.