anchor.diff:  
   ----
   $ oadm registry --config=admin.kubeconfig \//<1>
  -    --credentials=openshift-registry.kubeconfig <2>
  +    --service-account=registry <2>
   ----
   endif::[]
   ifdef::openshift-enterprise[]
  
positive.code: 
  ----
  $ oadm registry --config=/etc/origin/master/admin.kubeconfig \//<1>
      --credentials=/etc/origin/master/openshift-registry.kubeconfig \//<2>
      --images='registry.access.redhat.com/openshift3/ose-${component}:${version}' <3>
  ----
  endif::[]
  
negative.code: ----
  $ oadm registry --service-account=registry \
      --config=/etc/origin/master/admin.kubeconfig \
      --images='registry.access.redhat.com/openshift3/ose-${component}:${version}' \
      --mount-host=<path>
  ----
  