~jaro/balkon

ref: 22f5b8331b78ed7f4bf318a36198a6ad4dd127fd 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.