Bug 66794 Out of sync filter message [search]
I200406111238 - search for references to Refactoring - limit number of matches to 10 - switch group mode to CU observe: filters matched 21 - switch to flat mode observe: filters matched 84 <== seems already wrong - switch back observe: filters matched 0 <== is definitelly wrong
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/search/JavaSearchResultPage.java
*/
	public void saveState(IMemento memento) {
		super.saveState(memento);
		memento.putInteger(KEY_GROUPING, fCurrentGrouping);
		memento.putInteger(KEY_SORTING, fCurrentSortOrder);
		memento.putString(KEY_FILTERS, encodeFilters());
		if (fLimitElements)
			memento.putString(KEY_LIMIT_ENABLED, TRUE);
		else 
			memento.putString(KEY_LIMIT_ENABLED, FALSE);
		memento.putInteger(KEY_LIMIT, getElementLimit());
	}
	
	void addMatchFilter(MatchFilter filter) {
		fMatchFilters.add(filter);
		filtersChanged();
	}
	
	void enableLimit(boolean enable) {
		fLimitElements= enable;
		if (fLimitElements)
			getSettings().put(KEY_GROUPING, TRUE);
		else 
			getSettings().put(KEY_LIMIT_ENABLED, FALSE);
		limitChanged();
	}
	
	/**
	 * 
	 */