def snippet=(v)
      case v
      when String
        @snippet = Snippet.new(v)
      when Snippet
        @snippet = v
      else
        raise ArgumentError, "Snippet must be a String or a Snippet"
      end
    end
def snippet=(v)
      case v
      when String
        @snippet = Snippet.new(v)
      when Snippet
        @snippet = v
      else
        raise ArgumentError, "Snippet must be a String or a Snippet"
      end
    end
Set the snippet. See +KML::Snippet+