anchor.diff:  
   
   Retrieve details for multiple locations, using the pipe character (|) as a delimiter.
  -Example: Minneapolis, MN|New York, NY|Denver
  -GET /location?q={city1|city2|city3}
  +GET /location?q=Minneapolis, MN|New York, NY|Denver
   < 200
   < Content-Type: application/json
   {
  
positive.code:     }
  }
  
  Retrieve details for a single location using JSON_P. Specify a callback parameter.
  GET /location?q={city}&callback={callbackname}
  < 200
  < Content-Type: text/javascript
  if(foo)foo({
  
negative.code: --
  
  Retrieve details for a single location.
  GET /location?q=Minneapolis
  < 200
  < Content-Type: application/json
  {
  