old_contents: angular.module('directives', [])
  
  .directive('code', function() {
    return { restrict:'E', terminal: true };
  })
  
  /**
   * backToTop Directive
   * @param  {Function} $anchorScroll
   *
   * @description Ensure that the browser scrolls when the anchor is clicked
   */
  .directive('backToTop', ['$anchorScroll', '$location', function($anchorScroll, $location) {
    return function link(scope, element) {
      element.on('click', function(event) {
        $location.hash('');
        scope.$apply($anchorScroll);
      });
    };
  }])
  
  
  .directive('code', function() {
    return {
      restrict: 'E',
      terminal: true,
      compile: function(element) {
        var linenums = element.hasClass('linenum') || element.parent()[0].nodeName === 'PRE';
        var match = /lang-(\S)+/.exec(element.className);
        var lang = match && match[1];
        var html = element.html();
        element.html(window.prettyPrintOne(html, lang, linenums));
      }
    };
  });
  
  
new_contents: angular.module('directives', [])
  
  /**
   * backToTop Directive
   * @param  {Function} $anchorScroll
   *
   * @description Ensure that the browser scrolls when the anchor is clicked
   */
  .directive('backToTop', ['$anchorScroll', '$location', function($anchorScroll, $location) {
    return function link(scope, element) {
      element.on('click', function(event) {
        $location.hash('');
        scope.$apply($anchorScroll);
      });
    };
  }])
  
  
  .directive('code', function() {
    return {
      restrict: 'E',
      terminal: true,
      compile: function(element) {
        var linenums = element.hasClass('linenum') || element.parent()[0].nodeName === 'PRE';
        var match = /lang-(\S)+/.exec(element.className);
        var lang = match && match[1];
        var html = element.html();
        element.html(window.prettyPrintOne(html, lang, linenums));
      }
    };
  });
  
  
subject: remove redundant code directive