anchor.diff:  
   The following example renames the isolation segment with the given GUID to `my_isolation_segment`:
   <pre class="terminal">
  -$ cf curl "/v3/isolation_segments/323f211e-fea3-4161-9bd1-615392327913" \
  +$ cf curl "/v3/isolation\_segments/323f211e-fea3-4161-9bd1-615392327913" \
     -X PATCH \
     -d '{
  -    "name": "my_isolation_segment"
  +    "name": "my\_isolation\_segment"
     }'
   </pre>
   
  
positive.code: The following example creates an isolation segment named `my_segment`:
  
  <pre class="terminal">
  $ cf curl "/v3/isolation_segments" \
    -X POST \
    -d '{
      "name": "my_segment"
  
negative.code: HTTP/1.1 200 OK<br>
  {
     "guid": "323f211e-fea3-4161-9bd1-615392327913",
     "name": "my\_segment",
     "created\_at": "2016-10-19T20:25:04Z",
     "updated\_at": "2016-11-08T16:41:26Z",
     "links": {
        "self": {
           "href": "https<span>:</span>//api.example.org/v3/isolation\_segments/323f211e-fea3-4161-9bd1-615392327913"
        },
        "spaces": {
           "href": "https<span>:</span>//api.example.org/v3/isolation\_segments/323f211e-fea3-4161-9bd1-615392327913/relationships/spaces"
        },
        "organizations": {
           "href": "https<span>:</span>//api.example.org/v3/isolation\_segments/323f211e-fea3-4161-9bd1-615392327913/relationships/organizations"
        }
     }
  }
  