Bug 32893 Workspace Compatibility Problems 2.0 -> 2.1
Build 2.1 RC1 This PR collects problems related to opening a 2.0 workspace with 2.1.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/PreferenceConstants.java
*/
	public final static String EDITOR_BOOKMARK_INDICATION_IN_OVERVIEW_RULER= "bookmarkIndicationInOverviewRuler"; 
	/**
	 * A named preference that controls whether the overview ruler shows
	 * search result indicators.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 * @since 2.1
	 */
	public final static String EDITOR_SEARCH_RESULT_INDICATION_IN_OVERVIEW_RULER= "searchResultIndicationInOverviewRuler"; 
	/**
	 * A named preference that controls whether the overview ruler shows
	 * unknown indicators.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 * @since 2.1
	 */
	public final static String EDITOR_UNKNOWN_INDICATION_IN_OVERVIEW_RULER= "othersIndicationInOverviewRuler"; 
	/**
	 * A named preference that controls whether the 'close strings' feature
	 *  is   enabled.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 * @since 2.1
	 */
	public final static String EDITOR_CLOSE_STRINGS= "closeStrings"; 
	/**