Bug 26501 Refactoring wizard brings the package explorer to flicker [refactoring]
20021114 1. In the Java perspective, package explorer visible. 2. Open FilterDescriptor (jdt.ui) select ID_PLUGIN (line 76). 3. From the context menu choose Refactoring -> Inline Constant 4. On the first page press next 5. Before the progress monitor is finished, the package view suddenly starts to flicker for about 1/2 sec. Why?
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/PreferenceConstants.java
* A named preference that controls whether the overview ruler shows
	 * bookmark indicators.
	 * <p>
	 * Value is of type <code>Boolean</code>.
	 * </p>
	 * @since 2.1
	 */
	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>