Bug 73612 [Markers] "Open All" does not work with multi-select in the bookmarks view
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/ActionOpenMarker.java
setImageDescriptor(IDEWorkbenchPlugin.getIDEImageDescriptor(IMAGE_PATH));
        setDisabledImageDescriptor(IDEWorkbenchPlugin.getIDEImageDescriptor(DISABLED_IMAGE_PATH));
        setEnabled(false);
    }
    /* (non-Javadoc)
     * @see org.eclipse.jface.action.Action#run()
     */
    public void run() {
        IMarker marker = getSelectedMarker();
         
        
        IEditorPart editor = part.getSite().getPage().getActiveEditor();
        if (editor != null) {
            IEditorInput input = editor.getEditorInput();
            IFile file = ResourceUtil.getFile(input);
            if (file != null) {
                if (marker.getResource().equals(file)) {
                    part.getSite().getPage().activate(editor);
                }
            }
        }
        if (marker.getResource() instanceof IFile) {
            try {
                IDE.openEditor(part.getSite().getPage(), marker, OpenStrategy
                        .activateOnOpen());
            } catch (PartInitException e) {