anchor.diff:    
   ## Status
   
  -This is a work in progress and is changing on a daily basis.
  -Please send your comments to fiware-ngsi@lists.fiware.org.
  -You can trace the discussions checking the archives of the mailing list:
  -https://lists.fiware.org/private/fiware-ngsi/ (list subscription required).
  -
  -In addition, note that a list of currently open discussions is available at
  -
  -* https://github.com/telefonicaid/fiware-orion/issues/1022
  -* https://github.com/telefonicaid/fiware-orion/issues/1034
  -* https://github.com/telefonicaid/fiware-orion/issues/1035
  +This specification is a release candidate of the NGSIv2 API specification. By "release candidate"
  +we mean that the specification is quite stable, but changes may occur with regard to new release
  +candidates or the final version. In particular changes may be of two types:
  +
  +* Extensions to the functionality currently specified by this document. Note that in this case
  +  there isn't any risk of breaking backward compatibility on existing software implementations.
  +* Slight modifications in the functionality currently specified by this document, as a consequence
  +  of outgoing discussions. Backward compatibility will be taken into account in this case, trying
  +  to minimize the impact on existing software implementations. In particular, only completely
  +  justified changes impacting backward compatibility will be allowed and "matter of taste"
  +  changes will not be allowed.
  +
  +The work in progress draft of the specification can be found at
  +[the following link](https://telefonicaid.github.io/fiware-orion/api/v2/latest).
   
   ## Copyright
   
  
positive.code:     + `type`: specifies the type of the entities to search for. If omitted, it means
        "any entity type".
  + `attributes`: a list of attribute names to search for. If omitted, it means "all attributes".
  + `scopes`: a list of scopes to restrict the result of the query. Each scope is represented by a
     JSON object with a `type` (a JSON string) and `value` (whose type depends on the `type`
     property).
     The different available scopes are described elsewhere.
  
  Response code:
  
  
negative.code: type *temperatureSensor*.
  
  Each entity is uniquely identified by the combination of its id and type.
  
  #### Context Attributes 
  
  