foreach my $ele (@documentlist){
  print $ele;
  print "\n";
  print "spalteninfo:\t";
  print @{$ele->spalteninfo()};
  print "\n";
  print "parent:\t";
  print @{$ele->parent()};
  print "\n";
  print "child:\t";
  print @{$ele->child()};
  print "\n";
  print "doc_format:\t";
  print ${$ele->doc_format()};
  print "\n";
  print "name:\t";
  print ${$ele->name()};
  print "\n";
  print "--------------------\n";
}