~jaro/balkon

ref: 2065b3c41ecd53002bd23d77fcf30e2bb7dade14 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.