util: provide a function to disable highlight for a single word
util: provide a function to disable highlight for a single word

Former-commit-id: 7caaf258da11dfa3169e52de7338e6b8b89c72f0 [formerly 67c8b7a5dc4015dc5855e1dcaf34dceedb77c598]
Former-commit-id: ca2991a84104b34ab019723b90062eea8ae5b014
torhve/ivar2,torhve/ivar2,haste/ivar2,torhve/ivar2