~jaro/balkon

ref: dbcfcd67306ba9ba4b66b55f70fa6d0f869e90c4 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.