Bug 88854 [refactoring] Error message in Change Method Signature dialog doesnt correctly display method name if name contains character &
Error message in the Change Method Signature dialog does not correctly display method name if the name contains character &. You may complete the following steps in order to reproduce this scenario: 1. Create a new Java project and add a new Java class into the newly created project. 2. Implement a method in the class created in step 1. 3. In the Outline view, select the method implemented in step 2, right click and choose Refactor -> Change Method Signature from the context menu. The Change Method Signature dialog. 4. Type &abc in the Method name: filed. Expected Behavior: An error message should be displayed stating that &abc is not a valid Java identifier. Expected Behavior: An error message is displayed stating that abc (instead of &abc) is not a valid Java identifier. See the attached screenshot of the Change Method Signature dialog for more information.
org.eclipse.ltk.ui.refactoring/src/org/eclipse/ltk/internal/ui/refactoring/RefactoringWizardDialog2.java
*/
	public void updateButtons() {
		boolean previewPage= isPreviewPageActive();
		boolean ok= fWizard.canFinish();
		boolean canFlip= fCurrentPage.canFlipToNextPage();
		Button previewButton= getButton(PREVIEW_ID);
		Button defaultButton= null;
		if (previewButton != null && !previewButton.isDisposed()) {
			previewButton.setEnabled(!previewPage);
			if (!previewPage)
				previewButton.setEnabled(canFlip);
			if (previewButton.isEnabled())
				defaultButton= previewButton;
		}
		Button okButton= getButton(IDialogConstants.OK_ID);
		if (okButton != null && !okButton.isDisposed()) {
			okButton.setEnabled(ok);
			if (ok)
				defaultButton= okButton;
		}
		if (defaultButton != null) {
			defaultButton.getShell().setDefaultButton(defaultButton);
		}
	}
	/* (non-Javadoc)
	 * Method declared on IWizardContainer.
	 */
	public void updateMessage() {
		if (fStatusContainer == null || fStatusContainer.isDisposed())
			return;