anchor.diff:  			var ex = renderFail(
   				'{{#section}}_{{var}}_{{/section}}',
   				{"section": 42});
  -			expect(ex is FormatException, isTrue);
  +			expect(ex is MustacheFormatException, isTrue);
   			expect(ex.message, startsWith(BAD_VALUE_SECTION));
   		});
   		test('True', () {
  
positive.code: 			var ex = renderFail(
  				'{{^section}}_{{var}}_{{/section}}',
  				{"section": 42});
  			expect(ex is FormatException, isTrue);
  			expect(ex.message, startsWith(BAD_VALUE_INV_SECTION));
  		});
  		test('True', () {
  
negative.code: }
  
  expectFail(ex, int line, int column, [String msgStartsWith]) {
  		expect(ex is MustacheFormatException, isTrue);
  		if (line != null)
  			expect(ex.line, equals(line));
  