~jaro/balkon

ref: d750f2318a6c2c1607a47fc5af58d33ba01bea94 balkon/src/Data/Text/ParagraphLayout/Internal/Break.hs -rw-r--r-- 1.7 KiB 
Update documentation and derived instances.

Move non-public modules into Internal namespace.

Use ICU to find line break boundaries.