anchor.diff:      + Body
   
               {
  -                "name": "new name"
  +                "title": "new title"
               }
   
   + Response 204
  
positive.code:   workspace. This option cannot be used along `mashup`.
  + `name` (string): Name for the new workspace. This parameter is optional if
    either `mashup` or `workspace` are used. In those cases, the name will be
    obtained from the referenced mashup or workspace.
  + `allow_renaming` (boolean; default: `false`): If `false`, any attempt to
    create a workspace using a currently used name will fail (with a `409` status
    code). If this parameter is `true` and the name is already in use, a new name
  
negative.code:                "zIndex": 2,
                 "width": 6,
                 "height": 28,
                 "title": "Widget's Title",
                 "layout": 0
              }
  
  