~jaro/balkon

ref: 7f0ce005ca7c6f7c92be37cc5e6526c1b3a32e54 balkon/test/Data/Text/ParagraphLayout/Internal/BreakSpec.hs -rw-r--r-- 4.2 KiB 
Move non-public modules into Internal namespace.

Use ICU to find line break boundaries.