anchor.diff:              <h1>$humanReadableName</h1>
               <p>Group: $group</p>
               <p>Maturity: $maturityString</p>
  +            ${getBadges(name)}
               <p class="view"><a href="https://github.com/dart-lang/linter">View the Project on GitHub <small>dart-lang/linter</small></a></p>
               <ul>
                  <li><a href="https://www.dartlang.org/articles/style-guide/">See the <strong>Style Guide</strong></a></li>
  
positive.code:   new OptionsSample(rules).generate(outDir);
  }
  
  void printUsage(ArgParser parser, [String error]) {
    var message = 'Generates lint docs.';
    if (error != null) {
  
negative.code:     (r.maturity == Maturity.stable ? '' : ' (${r.maturity.name})');
  
  String toDescription(LintRule r) =>
      '<strong><a href = "${r.name}.html">${qualify(r)}</a></strong><br/> ${getBadges(r.name)} ${markdownToHtml(r.description)}';
  
  class Badger {
    Iterable<LintRule> rules;
  