anchor.diff:    var packageRoot = _packageRoot == null ?
                       _entryPointScript.resolve('packages/') :
                       _packageRoot;
  -  return _filePathFromUri(packageRoot.resolve(uri.path).toString());
  +  return packageRoot.resolve(uri.path);
   }
   
   
  
positive.code:     case 'http':
        return uri;
      case 'package':
        return Uri.parse(_filePathFromPackageUri(uri));
      default:
        // Only handling file, http, and package URIs
        // in standalone binary.
  
negative.code:     case 'file':
        return uri.toFilePath();
      case 'package':
        return _filePathFromUri(_resolvePackageUri(uri).toString());
      case 'http':
        return uri.toString();
      default:
  