Bug 33085 [Preferences] Last page not remembered the second time
RC1 build - Window / Preferences - select the Appearance page - OK - Window / Preferences - Appearance page is still selected - OK - Window / Preferences - Workbench is selected It should always remember the last page, even if the page isn't changed.
bundles/org.eclipse.jface/src/org/eclipse/jface/preference/PreferenceDialog.java
showingError = false;
				messageLabel.setBackground(normalMsgAreaBackground);
				messageLabel.setImage(null);
				titleImage.setImage(
					JFaceResources.getImage(PREF_DLG_TITLE_IMG));
			}
			 
			
			if (message == null)
				
				message = ""; 
			messageLabel.setText(message);
			messageLabel.setImage(messageImage);
			messageLabel.setToolTipText(message);
		} else {
			messageLabel.setText(errorMessage);
			messageLabel.setToolTipText(errorMessage);
			if (!showingError) {
				
				showingError = true;
				
				if (errorMsgAreaBackground == null) {
					errorMsgAreaBackground =
						JFaceColors.getErrorBackground(
							messageLabel.getDisplay());
					errorMsgImage =
						JFaceResources.getImage(PREF_DLG_IMG_TITLE_ERROR);
				}
					
				normalMsgAreaBackground = messageLabel.getBackground();