anchor.diff:                  'System environment variables as seen from the analysis server.');
   
     @override
  -  void generateContent(Map<String, String> params) {
  +  Future generateContent(Map<String, String> params) async {
       buf.writeln('<table>');
       buf.writeln('<tr><th>Variable</th><th>Value</th></tr>');
       for (String key in Platform.environment.keys.toList()..sort()) {
  
positive.code:             description: 'Providing feedback and filing issues.');
  
    @override
    void generateContent(Map<String, String> params) {
      final String issuesUrl = 'https://github.com/dart-lang/sdk/issues';
      p(
        'To file issues or feature requests, see our '
  
negative.code:       : super(site, 'plugins', 'Plugins', description: 'Plugins in use.');
  
    @override
    Future generateContent(Map<String, String> params) async {
      h3('Analysis plugins');
      List<PluginInfo> analysisPlugins = server.pluginManager.plugins;
  
  