~jaro/balkon

ref: 882dd63900c3735e5551b55e7deeb4c75cb91791 balkon/src/Data/Text/ParagraphLayout/Internal/WithSpan.hs -rw-r--r-- 1.2 KiB
Move BiDi Level to separate module.
Allow extracting ResolvedBox from WithSpan.
Separate WithSpan for sharing with other modules.