Bug 10593 Jar export should add ".jar" suffix if not specified
Build 20020228 - select some files - export them using the jar export - enter "test" as the jar name - it creates a jar file called "test" It should use "test.jar".
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/jarpackager/JarPackageWizardPage.java
int labelFlags= JavaElementLabelProvider.SHOW_BASICS
						| JavaElementLabelProvider.SHOW_OVERLAY_ICONS
						| JavaElementLabelProvider.SHOW_SMALL_ICONS;
		ITreeContentProvider treeContentProvider=
			new JavaElementContentProvider() {
				public boolean hasChildren(Object element) {
					
					return !(element instanceof IPackageFragment) && super.hasChildren(element);
				}
			};
		fInputGroup= new CheckboxTreeAndListGroup(
					parent,
					JavaCore.create(JavaPlugin.getDefault().getWorkspace().getRoot()),
					treeContentProvider,
					new JavaElementLabelProvider(labelFlags),
					new BaseJavaElementContentProvider(),
					new JavaElementLabelProvider(labelFlags),
					SWT.NONE,
					SIZING_SELECTION_WIDGET_WIDTH,
					SIZING_SELECTION_WIDGET_HEIGHT);
		fInputGroup.addTreeFilter(new EmptyInnerPackageFilter());
		fInputGroup.setTreeSorter(new JavaElementSorter());
		fInputGroup.setListSorter(new JavaElementSorter());
		fInputGroup.addTreeFilter(new ContainerFilter(ContainerFilter.FILTER_NON_CONTAINERS));
		fInputGroup.addTreeFilter(new LibraryFilter());
		fInputGroup.addListFilter(new ContainerFilter(ContainerFilter.FILTER_CONTAINERS));
		fInputGroup.getTree().addListener(SWT.MouseUp, this);
		fInputGroup.getTable().addListener(SWT.MouseUp, this);
	}
	/**