Do not iterate over covered text positions but use the token index to find covered token.
Do not iterate over covered text positions but use the token index to find covered token.

thomaskrause/graphANNIS,thomaskrause/graphANNIS,thomaskrause/graphANNIS,thomaskrause/graphANNIS,thomaskrause/graphANNIS,thomaskrause/graphANNIS,thomaskrause/graphANNIS