~jaro/balkon

ref: a42dd23609b364bf2e4375d8205c1623e4155522 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.