Bug 129812 [Markers] Enabling problem categorization per default
Build 3.2M5 Recent progress on problem categorization should be made more proeminent by enabling categorization by default. Similar to search view doing hierarchical presentation by default nowadays.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/MarkerView.java
if (openAction.isEnabled()) {
			openAction.run();
		}
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.views.internal.tableview.TableView#saveSelection(org.eclipse.ui.IMemento)
	 */
	protected void saveSelection(IMemento memento) {
		IStructuredSelection selection = (IStructuredSelection) getViewer()
				.getSelection();
		IMemento selectionMem = memento.createChild(TAG_SELECTION);
		for (Iterator iterator = selection.iterator(); iterator.hasNext();) {
			Object next = iterator.next();
			if (!(next instanceof ConcreteMarker)) {
				continue;
			}
			ConcreteMarker marker = (ConcreteMarker) next;
			IMemento elementMem = selectionMem.createChild(TAG_MARKER);
			elementMem.putString(TAG_RESOURCE, marker.getMarker().getResource()
					.getFullPath().toString());
			elementMem.putString(TAG_ID, String.valueOf(marker.getMarker()
					.getId()));
		}
	}
	protected abstract String[] getRootTypes();
	/**
	 * @param part
	 * @param selection