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.ui.ide/src/org/eclipse/ui/internal/ide/dialogs/PathVariableDialog.java
* (new/existing variable).
     */
    private boolean newVariable;
    /**
     * Reference to the path variable manager. It is used for validating
     * variable names.
     */
    private IPathVariableManager pathVariableManager;
    /**
     * Set of variable names currently in use. Used when warning the user that
     * the currently selected name is already in use by another variable.
     */
    private Set namesInUse;
    /**
     * The current validation status. Its value can be one of the following:<ul>
     * <li><code>IMessageProvider.NONE</code> (default);</li>
     * <li><code>IMessageProvider.WARNING</code>;</li>
     * <li><code>IMessageProvider.ERROR</code>;</li>
     * </ul>
     * Used when validating the user input.
     */
    private int validationStatus;
    /**
     * The current validation message generated by the last
     * call to a <code>validate</code> method.
     */
    private String validationMessage;
    /**
     * Whether a variable name has been entered.  
     */