1./test/VC/ElementValid6:7: element doc: validity error : Element doc content does not follow the DTD, expecting (a , b? , c+)?, got (a b) 2<doc><a/><b>lacks c</b></doc> 3 ^ 4./test/VC/ElementValid6:8: element doc: validity error : Element doc content does not follow the DTD, Expecting more children 5 6^ 7