code: func allEmpty(pl map[string]interface{}) bool {
  	for _, v := range pl {
  		vStr, ok := v.(string)
  		if !ok {
  			// wouldn't coerce to string, so it must have something that's not an
  			// empty string
  			return false
  		}
  		if vStr != "" {
  			return false
  		}
  	}
  	// we've gone through the entire map and every field value has matched ""
  	return true
  }
docs: // allEmpty returns true if all values in the map are the empty string
  // TODO move this into the main honeytail loop instead of the keyval parser