anchor.diff:  
   * AfterUnsetContent
   
  -==== Writing an ApplicationListener ====
  -
  -If you wish to extend Spring Content's functionality with your own you can subclass
  -the abstract class `AbstractStoreEventListener` and override the methods that you are
  -interested in.  When events occur Spring Content will call the appropriate methods on
  +==== Writing an ApplicationListener
  +
  +If you wish to extend Spring Content's functionality you can subclass the abstract class `AbstractStoreEventListener` and
  +override the methods that you are interested in.  When events occur Spring Content will call the appropriate methods on
   all instances of `AbstractStoreEventListener`.
   
   .AbstractContentRepositoryEventListener
  
positive.code: ----
  ====
  
  This is not yet supported by Spring Contnet REST.
  
  [[content-repositories.events]]
  === Events
  Spring Content emits events.  They are:
  
  * BeforeSetContent
  
  
negative.code: ----
  ====
  
  This interface is supported by Spring Content REST.
  
  Derived from the `Store` is a second interface `AssociativeStore` allowing resources to be associated with Spring Data
  Entity objects.
  
  .AssociativeStore interface
  ====
  