Bug 296695 [Markers] Problems view does not update on selection change
I20091201-1600 Problems view does not update any more on selection change. I have a 'Warnings on Selection' filter, but I always see the same warnings, even after I opened an editor or selected something in the Package Explorer.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/views/markers/MarkerContentGenerator.java
*/
	private void loadFilterSettings(IMemento memento) {
		if (memento == null)
			return;
		Boolean andValue = memento.getBoolean(TAG_AND);
		if (andValue != null)
			setAndFilters(andValue.booleanValue());
		IMemento children[] = memento.getChildren(TAG_GROUP_ENTRY);
		for (int i = 0; i < children.length; i++) {
			IMemento child = children[i];
			String id = child.getString(IMemento.TAG_ID);
			if (id == null)
				continue;
			if (!loadGroupWithID(child, id))
				
				loadUserFilter(child);
		}
	}
	/**
	 * Load the filters defined in memento string.
	 * 
	 * @param mementoString
	 */
	private void loadFiltersFrom(String mementoString) {
		if (mementoString.equals(IPreferenceStore.STRING_DEFAULT_DEFAULT))
			return;
		try {
			loadFilterSettings(XMLMemento.createReadRoot(new StringReader(
					mementoString)));
		} catch (WorkbenchException e) {