code: function(options) {
  		PropertyWidget.apply(this, arguments);
  		SettingsTextfield.apply(this, arguments);
  		if (this.node && options.indent) {
  			var spans = this.node.getElementsByTagName('span');
  			if (spans) {
  				var span = spans[0];
  				var existingClassName = span.className;
  				if (existingClassName) {
  					span.className += " setting-indent";
  				} else {
  					span.className = "setting-indent";
  				}
  			}
  		}
  	}
docs: Widget displaying a string-typed plugin setting. Mixes in SettingsTextfield and PropertyWidget.
  @callback