~jaro/balkon

ref: 6e011c818a62f3d3ae7554f67f24fc8f3abf031b balkon/src/Data/Text/ParagraphLayout/Internal/ParagraphExtents.hs -rw-r--r-- 925 bytes
Allow paragraphRect without point 0,0.
Parametrise rectangle union bias.
Separate interface-independent constants.