Bug 68787 [Markers] Messages need to be converted to the new format
R3.0 The fix for the missing help in the tasks view introduced a missing NL string Non-externalized string literal; it should be followed by //$NON-NLS-<n>$ MarkerView.java org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal line 298
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/DeferredQueue.java
* will not contain any items currently in the visibleItems set.
     */
    private Set insertionsAtEnd = new HashSet();
    /**
     * Set of pending insertions that will occur in the middle of the table. This
     * remains unsorted. Sorting will occur in the UI thread at insertion-time.
     * This will not contain any items currently in the visibleItems set.
     */
    private Set insertionsInMiddle = new HashSet();
    /**
     * List of pending removals. This is a subset of visibleItems. 
     */
    private Set pendingRemovals = new HashSet();
    /**
     * List of pending changes. This is a subset of visibleItems.
     */
    private Set pendingChanges = new HashSet();
    /**
     * Pointer to the item currently at the end of the table, or null if
     * the table is currently empty.
     */
    private Object lastVisible = null;
    /**
     * True iff there may be items inthe insertionsInMiddle queue
     * that can be moved to the insertionsAtEnd queue. This is set to
     * true when lastVisible is reduced, and set to false when 
     * insertionsInMiddle is repartitioned.
     */
    private boolean lastDirty = false;
    /**