Bug 203838 [Markers] [Markers] clicking on column headers does not sort table
I20070918 Clicking on any of the column headers does not sort based on the relevant column.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/provisional/views/markers/MarkerContentGenerator.java
private static final String ATTRIBUTE_DEFAULT_FOR_PERSPECTIVE = "defaultForPerspective"; 
	private static final String ATTRIBUTE_DEFAULT_MARKER_GROUPING = "defaultMarkerGrouping"; 
	private static final String ATTRIBUTE_VISIBLE = "visible"; 
	static final Object CACHE_UPDATE_FAMILY = new Object();
	private static final String ELEMENT_MARKER_FIELD_FILTER_GROUP = "markerFieldFilterGrouping"; 
	private static final IResource[] EMPTY_RESOURCE_ARRAY = new IResource[0];
	private static final String MARKER_FIELD_REFERENCE = "markerFieldReference"; 
	private static final String TAG_FILTERS_SECTION = "filterGroups"; 
	private static final String TAG_GROUP_ENTRY = "filterGroup"; 
	private static final Object VALUE_FALSE = "false"; 
	private static final String TAG_AND = "andFilters"; 
	private MarkerField[] allFields;
	private MarkerGroup categoryGroup;
	private IConfigurationElement configurationElement;
	private Collection enabledFilters;
	private Collection filters;
	private IResource[] focusResources = MarkerSupportInternalUtilities.EMPTY_RESOURCE_ARRAY;
	private Collection markerTypes;
	private MarkerField[] visibleFields;
	private IWorkingSet workingSet;
	private boolean andFilters = false;