Bug 339347 [Markers] Can't toggle item limits in Problems view any more without losing limit
I20110308-2000 I can't toggle item limits in Problems view any more without losing limits. After I've disabled the limits, the next time I enable limits, the value is "1". The stored value should not be changed.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/views/markers/Markers.java
if (monitor.isCanceled()) {
				map.clear();
				return map;
			}
			try {
				MarkerGroupingEntry groupingEntry = group.findGroupValue(
						marker.getType(), marker);
				List list = (List) map.get(groupingEntry);
				if (list == null) {
					list = new ArrayList();
					map.put(groupingEntry, list);
				}
				list.add(entries[i]);
			} catch (CoreException e) {
				entries[i].checkIfMarkerStale();
			}
		}
		Iterator keys = map.keySet().iterator();
		int i = 0;
		while (keys.hasNext()) {
			if (monitor.isCanceled()) {
				map.clear();
				return map;
			}
			Object key = keys.next();
			List list = (List) map.get(key);
			Iterator iterator = list.iterator();
			while (iterator.hasNext()) {
				MarkerEntry entry = (MarkerEntry) iterator.next();
				entries[i++] = entry;