* @param lang the language ("x-default" for the default language)
* @param propName the property name
* @return the removed value
*/
protected String removeLangAlt(String lang, String propName) {
QName name = getQName(propName);
XMPProperty prop = meta.getProperty(name);
XMPArray array;
if (prop != null && lang != null) {
array = prop.getArrayValue();
if (array != null) {