Bug 19974 Packages view: back / forward buttons do not show frame name [package explorer]
Build 20020611 In packages view, - select a container - Navigate / Go Into - hover over Back button - it says simply "Back" It should say "Back to Workspace". Compare with Navigator.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/packageview/PackageExplorerPart.java
/**
	 * A compilation unit or class was expanded, expand
	 * the main type.  
	 */
	void expandMainType(Object element) {
		try {
			IType type= null;
			if (element instanceof ICompilationUnit) {
				ICompilationUnit cu= (ICompilationUnit)element;
				IType[] types= cu.getTypes();
				if (types.length > 0)
					type= types[0];
			}
			else if (element instanceof IClassFile) {
				IClassFile cf= (IClassFile)element;
				type= cf.getType();
			}			
			if (type != null) {
				final IType type2= type;
				Control ctrl= fViewer.getControl();
				if (ctrl != null && !ctrl.isDisposed()) {
					ctrl.getDisplay().asyncExec(new Runnable() {
						public void run() {
							Control ctrl= fViewer.getControl();
							if (ctrl != null && !ctrl.isDisposed()) 
								fViewer.expandToLevel(type2, 1);
						}
					}); 
				}