anchor.diff:  
       // Insert the declarations of the enum constants.
       var semicolon = ';';
  -    var prefix = '${utils.endOfLine}$indent';
  -    var suffix = '$semicolon${utils.endOfLine}';
  +    var prefix = '$eol$indent';
  +    var suffix = '$semicolon$eol';
       builder.addSimpleInsertion(bodyOffset, '$prefix$constantsBuffer$suffix');
   
       // Delete any members that are no longer needed.
  
positive.code:     // being converted.
      var members = classDeclaration.members;
      var indent = utils.getIndent(1);
      var constantsBuffer = StringBuffer();
      var fieldsToConvert = fields.fieldsToConvert;
      fieldsToConvert
  
negative.code:     for (var field in fieldsToConvert) {
        // Compute the declaration of the corresponding enum constant.
        if (constantsBuffer.isNotEmpty) {
          constantsBuffer.write(',$eol$indent');
        }
        constantsBuffer.write(field.name);
        var invocation = field.instanceCreation;
  