Bug 292247 [Viewers] StructuredViewer.findItems(Object) javadoc is not precise
The javadoc says "If the element map is disabled, the widget is found via <code>doFindInputItem</code>." but in the code method doFindItem is called.
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/StructuredViewer.java
* <li>discovers the old selection (via <code>getSelection</code>)</li>
	 * <li>runs the given runnable</li>
	 * <li>attempts to restore the old selection (using
	 * <code>setSelectionToWidget</code></li>
	 * <li>rediscovers the resulting selection (via <code>getSelection</code>)</li>
	 * <li>calls <code>handleInvalidSelection</code> if the resulting selection
	 * is different from the old selection</li>
	 * </ul>
	 * </p>
	 * 
	 * @param updateCode
	 *            the code to run
	 * 
	 * see #getPreserveSelection()
	 */
	protected void preservingSelection(Runnable updateCode) {
		preservingSelection(updateCode, false);
	}
	/**
	 * Attempts to preserves the current selection across a run of the given
	 * code, with a best effort to avoid scrolling if <code>reveal</code> is
	 * false, or to reveal the selection if <code>reveal</code> is true.
	 * <p>
	 * The default implementation of this method:
	 * <ul>
	 * <li>discovers the old selection (via <code>getSelection</code>)</li>
	 * <li>runs the given runnable</li>
	 * <li>attempts to restore the old selection (using
	 * <code>setSelectionToWidget</code></li>
	 * <li>rediscovers the resulting selection (via <code>getSelection</code>)</li>