~jaro/balkon

ref: 7bc4ab57fb1fa08d10db5c12909785a553cf1cc6 balkon/test/Data/Text/ParagraphLayout/RunSpec.hs -rw-r--r-- 1.6 KiB
Minimise working with Data.Text.Internal.
Link to Span using a generic wrapper.
Implement "plain" interface.
Separate tests by module.