~jaro/balkon

ref: bc4ffa11a836f5dc52f2c60bfe6f9525c2539a01 balkon/lib/Data/Text/ParagraphLayout/Rect.hs -rw-r--r-- 373 bytes
Hide Rect union from public interface.

The function behaves in a specific way that should not be relied on by
other modules.
Use internal library to hide non-public modules.