~jaro/balkon

ref: 7b9e4eca85fc54332421f9edea4108d8c0363e0b balkon/.golden/loremIpsum20em/golden -rw-r--r-- 87.6 KiB
Add ignored prefixes and suffixes to test data.

This ensures that implementation does not rely on the texts having zero
offset inside their byte arrays.
Use ICU to find line break boundaries.
Implement line breaking on code point boundaries.