1./test/errors/issue151.xml:8: parser error : StartTag: invalid element name 2 << 3 ^ 4./test/errors/issue151.xml:8: parser error : StartTag: invalid element name 5 << 6 ^ 7
1./test/errors/issue151.xml:8: parser error : StartTag: invalid element name 2 << 3 ^ 4./test/errors/issue151.xml:8: parser error : StartTag: invalid element name 5 << 6 ^ 7