Bug 228760 [Markers] Column orientation not stored when markers views are closed
If we re-order view columns by drag and drop or add/remove them using the preferences the values we ended up with are not restored on restart.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/views/markers/CachedMarkerBuilder.java
}
	}
	/**
	 * Save the state of the receiver to memento
	 * 
	 * @param memento
	 */
	void saveState(IMemento memento) {
		getComparator().saveState(memento);
		if (categoryGroup == null)
			memento.putString(TAG_CATEGORY_GROUP, VALUE_NONE);
		else
			memento.putString(TAG_CATEGORY_GROUP, getCategoryGroup().getId());
	}
	/**
	 * Schedule an update of the markers with a delay.
	 * 
	 */
	public void scheduleMarkerUpdate() {
		cancelJobs();
		currentMap = null;
		building = true;
		if (progressService != null) {
			progressService.schedule(markerProcessJob, SHORT_DELAY);
		} else {
			markerProcessJob.schedule(SHORT_DELAY);
		}
	}
	/**
	 * Set whether the filters are being ANDed or ORed.