~jaro/balkon

ref: 74594e80185c479dd7d4b10db0864ff580f3cb1d balkon/src/Data/Text/ParagraphLayout/Internal/Fragment.hs -rw-r--r-- 1.6 KiB 
Use internal library to hide non-public modules.

Move non-public modules into Internal namespace.

Upgrade Fragment to contain pen position.