 0 400 400   // coding: utf-8
 0 400 400   // All three following symbols should highlight as keywords
 0 400 400   cheese
 0 400 400   käse
 0 400 400   сыр
 1 400 400   
 0 400 400   // Lookalikes with ASCII so should not highlight:
 0 400 400   сыp
 0 400 400   cыp
 1 400 400   