~jaro/balkon

ref: 3e3fef4440b5d982144bdb4b13a3d784ba686233 balkon/test/Data/Text/ParagraphLayout/Internal/BiDiLevelsSpec.hs -rw-r--r-- 3.0 KiB
Store default level in BiDiLevels.

This will be required for handling empty text sequences.
Improve BiDi handling of numbers and neutrals.
Add tests for mixed text direction.
Convert legacy span directions into levels.