docs: function(spirit, prefix, Plugin) {
  		Object.defineProperty(spirit, prefix, {
  			enumerable: true,
  			configurable: true,
  			get: function() {
  				var plugin = new Plugin(this);
  				this.life.plugins[prefix] = true;
  				gui.Plugin.$assign(spirit, prefix, plugin);
  				return plugin;
  			}
  		});
  	}