~jaro/balkon

ref: ff8e9d3d0ef7236b5dbbc566203645483c56a9b9 balkon/.golden/richParagraphLayout/mixedDirectionComplexRTL.golden -rw-r--r-- 17.0 KiB 
Improve BiDi handling of numbers and neutrals.

Test mirrored neutral characters.

Add tests for mixed text direction.