anchor.diff:    DUnitX.TestFramework;
   
   const
  -  CanonicalVersion = '1.5.0';
  +  CanonicalVersion = '1.6.0';
   
   type
   
  
positive.code:     [Test]
      [Ignore]
      procedure duplicated_character_in_the_middle;
    end;
  	
  implementation
  
negative.code:   Assert.IsTrue(isIsogram('Emily Jung Schwartzkopf'));
  end;
  
  procedure IsogramTests.same_first_and_last_characters;
  begin
    Assert.IsFalse(isIsogram('angola'));
  end;
  
  procedure IsogramTests.word_with_duplicated_character_in_mixed_case;
  begin
    Assert.IsFalse(isIsogram('Alphabet'));
  