Bug 73027 [Dialogs] Buttons are too high
I20040831 Buttons are no longer oval but have a rounded rectangle shape (see first screenshot). The second screenshot shows how buttons using the small system font should look like.
bundles/org.eclipse.jface/src/org/eclipse/jface/preference/ListEditor.java
protected void doStore() {
        String s = createList(list.getItems());
        if (s != null)
            getPreferenceStore().setValue(getPreferenceName(), s);
    }
    /**
     * Notifies that the Down button has been pressed.
     */
    private void downPressed() {
        swap(false);
    }
    /**
     * Returns this field editor's button box containing the Add, Remove,
     * Up, and Down button.
     *
     * @param parent the parent control
     * @return the button box
     */
    public Composite getButtonBoxControl(Composite parent) {
        if (buttonBox == null) {
            buttonBox = new Composite(parent, SWT.NULL);
            GridLayout layout = new GridLayout();
            layout.marginWidth = 0;
            buttonBox.setLayout(layout);
            createButtons(buttonBox);
            buttonBox.addDisposeListener(new DisposeListener() {
                public void widgetDisposed(DisposeEvent event) {
                    addButton = null;
                    removeButton = null;
                    upButton = null;