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
taskListResourceAdapter = (ITaskListResourceAdapter) adapter;
						} else {
							taskListResourceAdapter = DefaultMarkerResourceAdapter
									.getDefault();
						}
						IResource resource = taskListResourceAdapter
								.getAffectedResource((IAdaptable) object);
						if (resource == null) {
							Object mapping = ((IAdaptable) object)
									.getAdapter(ResourceMapping.class);
							if (mapping != null) {
								selectedElements.add(mapping);
							}
						} else {
							selectedElements.add(resource);
						}
					}
				}
			}
		}
		updateFocusMarkers(selectedElements.toArray());
	}
	/**
	 * Update the focus resources of the filters.
	 * 
	 * @param elements
	 */
	protected final void updateFilterSelection(Object[] elements) {
		Collection resourceCollection = new ArrayList();
		for (int i = 0; i < elements.length; i++) {