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
categoriesToExpand.remove(category.getName());
		}
	}
	private UpdateJob updateJob = new UpdateJob();
	
	
	private int preBusyMarkers = 0;
	protected Object[] focusElements;
	private Clipboard clipboard;
	IResourceChangeListener markerUpdateListener = new IResourceChangeListener() {
		/*
		 * (non-Javadoc)
		 * 
		 * @see org.eclipse.core.resources.IResourceChangeListener#resourceChanged(org.eclipse.core.resources.IResourceChangeEvent)
		 */
		public void resourceChanged(IResourceChangeEvent event) {
			if (event.getType() == IResourceChangeEvent.POST_BUILD) {
				scheduleMarkerUpdate(Util.SHORT_DELAY);
				return;
			}
			
			getProgressService().schedule(markerProcessJob, Util.LONG_DELAY);
		}
		/**
		 * Return whether or not any of the deltas indicate a required update.
		 * 
		 * @param event
		 * @param markerTypes
		 * @param needsUpdate
		 * @return boolean