~jaro/balkon

ref: f10796b2b66a7466a9d4f72c6140748d5dafc2f3 balkon/test/Data/Text/ParagraphLayoutSpec.hs -rw-r--r-- 6.2 KiB
Insert extra test to work around segmentation fault.

Without the added test, the test suite causes a segmentation fault
after starting "wraps by characters when line is ultra narrow".
Add line wrapping tests with spans.
Move non-public modules into Internal namespace.
Implement "plain" interface.
Separate tests by module.