Bug 68546 PackageExplorer uses deprecated setTitle method [package explorer]
PackeageExplorerPart should use setContentDescription(inputText) rather than setTitle("Package Explorer : " + inputText)
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/packageview/PackageExplorerPart.java
protected void mapElement(Object element, Widget item) {
			Widget existingItem= findItem(element);
			if (existingItem == null || existingItem == item) {
				super.mapElement(element, item);
			} else {
				List l= (List)fAdditionalMappings.get(element);
				if (l == null) {
					l= new ArrayList();
					fAdditionalMappings.put(element, l);
				}
				if (!l.contains(item)) {
					l.add(item);
					fResourceToItemsMapper.addToMap(element, (Item)item);
				}
			}
		}
		protected void unmapElement(Object element, Widget item) {
			List l= (List)fAdditionalMappings.get(element);
			if (l == null) {
				super.unmapElement(element, item);
				return;
			}
			if (findItem(element) == item) {
				super.unmapElement(element, item);
				if (l != null && l.size() >= 1) {
					Widget widget= (Widget)l.remove(0);
					fResourceToItemsMapper.removeFromMap(element, (Item)widget);
					super.mapElement(element, widget);
				}
			} else {