5555 /www/nrich/html/content/id/5555/ 1 2012-12-05T10:34:37 <?xml version="1.0" encoding="UTF-8"?> <mdoxml version="1.0">This is a blank id used as a placeholde to indicate something is needed. Don&#39;t un-blank this id as it might be used in various places</mdoxml> 2 3 0 0 0 0 0 Blank problem to indicate something is needed in a list