		/**
		 * @param contextLength the maximum length for <code>expected</code> and <code>actual</code>. When contextLength 
		 * is exceeded, the Strings are shortened
		 * @param expected the expected string value
		 * @param actual the actual string value
		 */
		public ComparisonCompactor(int contextLength, String expected, String actual) {
			fContextLength= contextLength;
			fExpected= expected;
			fActual= actual;
