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/MarkerContentGenerator.java
migrationPreference, true);
	}
	/**
	 * @return preferenceName
	 */
	private String getMementoPreferenceName() {
		return CachedMarkerBuilder.getMementoPreferenceName(viewId);
	}
	/**
	 * Load the group with id from the child if there is a matching system group
	 * registered.
	 * 
	 * @param child
	 * @param id
	 * @return <code>true</code> if a matching group was found
	 */
	private boolean loadGroupWithID(IMemento child, String id) {
		Iterator groups = getAllFilters().iterator();
		while (groups.hasNext()) {
			MarkerFieldFilterGroup group = (MarkerFieldFilterGroup) groups
					.next();
			if (id.equals(group.getID())) {
				group.loadSettings(child);
				return true;
			}
		}
		return false;
	}
	/**
	 * Load the legacy filter into the system.