Bug 127289 [Markers] SystemFilter and group selection state not preserved
We are not preserving the selection state of the system filters or which group is selected.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/CategorySorter.java
package org.eclipse.ui.views.markers.internal;
import java.util.Comparator;
import org.eclipse.jface.dialogs.IDialogSettings;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerSorter;
/**
 * CategorySorter is the sorter that takes categories and the viewer into
 * account.
 * 
 */
public class CategorySorter extends ViewerSorter implements Comparator {
	TableSorter innerSorter;