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
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Copyright (c) 2000, 2003 IBM Corporation and others.
All rights reserved.   This program and the accompanying materials
are made available under the terms of the Common Public License v1.0
which accompanies this distribution, and is available at
http://www.eclipse.org/legal/cpl-v10.html
Contributors:
	IBM - Initial implementation
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package org.eclipse.jface.preference;
import java.io.IOException;
import java.util.Iterator;
import java.util.List;
import org.eclipse.core.runtime.Platform;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.IMessageProvider;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.resource.ImageRegistry;
import org.eclipse.jface.resource.JFaceColors;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.util.Assert;
import org.eclipse.jface.util.IPropertyChangeListener;
import org.eclipse.jface.util.OpenStrategy;
import org.eclipse.jface.util.PropertyChangeEvent;
import org.eclipse.jface.util.SafeRunnable;