~jaro/balkon

ref: 537bf966aa2d46232ea0ced794bd85ffadc4a50c balkon/src/Data/Text/ParagraphLayout/Internal/ProtoFragment.hs -rw-r--r-- 875 bytes
Decompose ProtoFragment construction.
Fix documentation of ProtoFragment after RTL placement.
Implement correct positioning of RTL runs.
Move non-public modules into Internal namespace.
Lay out Runs independently of Spans.