anchor.diff:    ///
     /// ### Example
     ///
  -  /// Suppose we have a directive with an `input[type=text]` selector.
  -  ///
  -  /// And the following HTML:
  +  /// Suppose we have a directive with an `input[type=text]` selector
  +  /// and the following HTML:
     ///
     /// ```html
     /// <form>
  
positive.code:   /// is applied on the DOM event.
    ///
    /// To listen to global events, a target must be added to the event name.
    /// The target can be `window`, `document` or `body`.
    ///
    /// When writing a directive event binding, you can also refer to the $event
    /// local variable.
    ///
    /// The following example declares a directive that attaches a click listener
  
negative.code:   /// ```
    final String exportAs;
  
    /// The queries to be injected into the directive.
    ///
    /// Content queries are set before the [ngAfterContentInit] callback is
    /// called. View queries are set before the [ngAfterViewInit] callback is
  