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
private boolean nameEntered = false;
    /**
     * Whether a variable location has been entered.  
     */
    private boolean locationEntered = false;
    /**
     * The standard message to be shown when there are no problems being
     * reported.
     */
    final private String standardMessage;
    /**
     * Constant for defining this dialog as intended to create a new variable
     * (value = 1).
     */
    public final static int NEW_VARIABLE = 1;
    /**
     * Constant for defining this dialog as intended to edit an existing
     * variable (value = 2).
     */
    public final static int EXISTING_VARIABLE = 2;
    /**
     * Constructs a dialog for editing a new/existing path variable.
     * 
     * @param parentShell the parent shell
     * @param type the dialog type: <code>NEW_VARIABLE</code> or
     * 	<code>EXISTING_VARIABLE</code>
     * @param variableType the type of variable that can be edited in 
     * 	this dialog. <code>IResource.FILE</code> or <code>IResource.FOLDER</code>
     * @param pathVariableManager a reference to the path variable manager
     * @param namesInUse a set of variable names currently in use