~jaro/balkon

ref: e7cf323c675e1aa56e595c1a0d919fbc978b2f7f balkon/src/Data/Text/ParagraphLayout/Internal/Paragraph.hs -rw-r--r-- 4.5 KiB 
Add internal functions for "shaped runs" output.

Clarify meaning of Array in Paragraph.

Slightly decompose the Plain module.