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Functionality requirements

In the evaluation described here the first two functionality requirements have been employed. They are repeated here (cf.\ section Requirements):

  1. The system should specify the grammatical errors made by the writer in such a way that the end-user is able to correct them.
  2. The system should not signal an error where no such error is present.

In fact, the second part of requirement 1 has not been taken into account, i.e. the actual quality of the advice has not been evaluated.