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
if (enabledFilters == null || enabledFilters == FILTERS_CHANGED) {
			Collection enabled = new HashSet();
			Iterator filtersIterator = getAllFilters().iterator();
			while (filtersIterator.hasNext()) {
				MarkerFieldFilterGroup next = (MarkerFieldFilterGroup) filtersIterator
						.next();
				if (next.isEnabled())
					enabled.add(next);
			}
			enabledFilters = enabled;
		}
		return enabledFilters;
	}
	/**
	 * Rebuild the list of filters
	 */
	protected void rebuildFilters() {
		filters = FILTERS_CHANGED;
		enabledFilters = FILTERS_CHANGED;
		requestMarkerUpdate();
	}
	/**
	 * Disable all of the filters in the receiver.
	 */
	void disableAllFilters() {
		Collection allFilters = getEnabledFilters();
		Iterator enabled = allFilters.iterator();
		while (enabled.hasNext()) {
			MarkerFieldFilterGroup group = (MarkerFieldFilterGroup) enabled
					.next();