Select word warp style in Atom.
This package breaks lines in accordance with the styles of CSS Text Module Level 3, and you can select styles. It provides accurate word wrap for texts with proportional fonts and non-latin characters(CJK, Greek, Cyrillic, Arabic, etc...), those breaking rules.
If you want hard-wrap, please set "Style Word Break" to "break-all".
Good catch. Let us know what about this package looks wrong to you, and we'll investigate right away.