<?xml version="1.0" encoding="UTF-8"?>

<?import javafx.scene.layout.*?>
<?import javafx.scene.control.*?>
<?import java.lang.Double?>

<GridPane xmlns:fx="http://javafx.com/fxml" alignment="center">
  <Button>
    <minHeight><Double fx:constant="<caret>"/></minHeight>
  </Button>
</GridPane>