anchor.diff:    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'));
  
positive.code:     [Test]
      [Ignore]
      procedure duplicated_character_in_the_middle;
    end;
  	
  implementation
  
negative.code:   DUnitX.TestFramework;
  
  const
    CanonicalVersion = '1.6.0';
  
  type
  
  