anchor.diff:  
   Additional labels can be configured in the configuration file (see below).
   
  -<namespace> can be ommited or overrided - see <<Namespace-as-labels>>
  +`<namespace>` can be omitted or overridden - see <<Namespace-as-labels>> for
  +more information.
   
   == Configuration file
   
  
positive.code:       "/var/log/nginx/app1/access.log"
      ]
    }
    #metrics_override = { prefix = "myprefix" }
    #namespace_label = "vhost"
  
    labels {
      app = "application-one"
  
negative.code: ----
  
  * `prefix` can be set to `""`, resulting metrics like `http_response_count_total{...}`
  * `namespace_label` can be omitted - so you have full control on metric format
  
  Some details and history on this can be found in https://github.com/martin-helmich/prometheus-nginxlog-exporter/issues/13[issue #13].
  
  ### Custom labels pass-through
  
  Partial case of <<Dynamic-re-labeling>>:
  
  [source,hcl]
  