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  pg 11.

  Typo: Replace "the data hold" in Step #4 with "the data held".   


  pg 73.

  Typo: Replace "We will know" in the first paragraph with ""We will now".


  pg 138.

  Incorrect: the new default is applied to the new duration values entered with no units.
  Correct  : the new default is applied to the new tasks created without entering a duration value. 
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