Bug 156864 [Undo] Edit > Add Bookmark... does not work
I20060906-1200 1. start fresh workspace 2. create simple project P 3. create simple file f 4. close the editor (the editor actions works) 5. Edit > Add Bookmark... ==> bookmark is not added
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/bookmarkexplorer/BookmarkPropertiesDialog.java
* @param parentShell the parent shell
     * @param title the title for the dialog
     */
    public BookmarkPropertiesDialog(Shell parentShell, String title) {
        super(parentShell, title);
    }
    
    /**
     * Sets the marker to show or modify.
     * 
     * @param marker the marker, or <code>null</code> to create a new marker
     */
    public void setMarker(IMarker marker) {
    	
        super.setMarker(marker);
    }
    /**
     * Returns the marker being created or modified.
     * For a new marker, this returns <code>null</code> until
     * the dialog returns, but is non-null after.
     * 
     * @return the marker
     */
    public IMarker getMarker() {
    	
        return super.getMarker();
    }
    /**
     * Sets the resource to use when creating a new bookmark.
     * If not set, the new bookmark is created on the workspace root.