anchor.diff:  
   .l-sub-section
     :marked
  -    Learn more about the `DatePipes` format options in the [API Docs](../api/common/index/DatePipe-pipe.html).
  +    Learn more about the `DatePipe` format options in the [API Docs](../api/common/index/DatePipe-pipe.html).
   
   :marked
     ## Chaining pipes
  
positive.code: 
  .l-sub-section
    :marked
      Learn more about these and many other built-in pipes in the [API Reference](../api/#!?apiFilter=pipe);
      filter for entries that include the word "pipe".
  
      Angular doesn't have a `FilterPipe` or an `OrderByPipe` for reasons explained in an [appendix below](#no-filter-pipe).
  
negative.code:   into our templates expressions to enrich the appeal and usability
    of our views.
  
    Explore Angular's inventory of built-in pipes in the [API Reference](../api/#!?query=pipe).
    Try writing a custom pipe and perhaps contributing it to the community.
  
  a(id="no-filter-pipe")
  