~jaro/balkon

ref: 1e8de66a311429538c26baf8e8a6fac212270e42 balkon/.golden/richParagraphLayout/hardBoxBreakRTL.golden -rw-r--r-- 6.7 KiB 
Add content rect to Fragment.

Test with AlignStart by default.

Describe box edges with extensible type.

Test line breaking in boxes.