anchor.diff:    if (segments[2] == 'versions') {
       if (segments.length == 4) {
         final String version = Uri.decodeComponent(segments[3]);
  -      return _packageVersionHandlerHtml(request, package, version: version);
  +      return _packageVersionHandlerHtml(request, package, versionName: version);
       } else {
         return _packageVersionsHandler(request, package);
       }
  
positive.code:       packageName, versions, dartdocEntries, versionDownloadUrls));
  }
  
  Future<shelf.Response> _packageVersionHandlerHtmlCore(
      shelf.Request request,
      String packageName,
      String render(
          Package package,
          bool isVersionPage,
          List<PackageVersion> first10Versions,
          List<DartdocEntry> dartdocEntries,
          List<Uri> versionDownloadUrls,
          PackageVersion selectedVersion,
          PackageVersion latestStableVersion,
          PackageVersion latestDevVersion,
          int totalNumberOfVersions,
          AnalysisExtract extract,
          AnalysisView analysis),
      {String versionName}) async {
    if (redirectPackagePages.containsKey(packageName)) {
      return redirectResponse(redirectPackagePages[packageName]);
  
negative.code: 
    return htmlResponse(cachedPage);
  }
  
  /// Handles request for /api/packages?page=<num>
  Future<shelf.Response> _apiPackagesHandler(shelf.Request request) async {
  