*/
void parseDrawingXML(WorkBookHandle bk, ArrayList drawingFiles, InputStream ii, ZipFile zip, String parentDir, String externalDir) {
try {
java.util.Stack lastTag= new java.util.Stack(); // keep track of element hierarchy
XmlPullParserFactory factory = XmlPullParserFactory.newInstance();
factory.setNamespaceAware(true);
XmlPullParser xpp = factory.newPullParser();
xpp.setInput(ii, null); // using XML 1.0 specification
int eventType = xpp.getEventType();
while (eventType != XmlPullParser.END_DOCUMENT) {
if(eventType == XmlPullParser.START_TAG) {