or at least a hiccup - it doesn't show references:
http://www.ldraw.org/cgi-bin/ptdetail.cg...ps1s01.dat
http://www.ldraw.org/cgi-bin/ptdetail.cg...581s01.dat
w.
http://www.ldraw.org/cgi-bin/ptdetail.cg...ps1s01.dat
http://www.ldraw.org/cgi-bin/ptdetail.cg...581s01.dat
w.
LEGO ergo sum