anchor.diff:  :marked
     Consider this variation on the [previous _AfterView_](#afterview) example.
     This time, instead of including the child view within the template, it imports the content from
  -  the `AfterContentComponent`'s parent. Here's the parent's template.
  +  the `AfterContentComponent`'s parent. Here's the parent's template:
   +makeExample('lifecycle-hooks/ts/src/app/after-content.component.ts', 'parent-template', 'AfterContentParentComponent (template excerpt)')(format=".")
   :marked
     Notice that the `<my-child>` tag is tucked between the `<after-content>` tags.
  
positive.code:     td <a href="#onchanges">OnChanges</a>
      td
        :marked
          See how Angular calls the `ngOnChanges` hook with a `changes` object
          every time one of the component input properties changes.
          Shows how to interpret the `changes` object.
    tr(style=top)
      td <a href="#docheck">DoCheck</a>
      td
        :marked
          Implements an `ngDoCheck` method with custom change detection.
          See how often Angular calls this hook and watch it post changes to a log.
    tr(style=top)
      td <a href="#afterview">AfterView</a>
  
negative.code: a#other-lifecycle-hooks
  .l-main-section
  :marked
    ## Other Angular lifecycle hooks
  
    Other Angular sub-systems may have their own lifecycle hooks apart from these component hooks.
  
  