Bug 223976 [Decorators] Content type decorator: Updating missing
20080325 - Create a file 'a.xml' - in the editor paste <project name="Eclipse Views" default="export" basedir=".."> </project> as content - observe that the file image is still the original image - close the editor and reopen the file - now the editor shows the 'ANT' image
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/navigator/WorkspaceActionGroup.java
/*******************************************************************************
 * Copyright (c) 2000, 2008 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation