given this code snippet:

foreach my $child ($tag->children) {
  my $newElt= XML::Twig::Elt->new(Contains => { map {$_ , $child->{'at
+t'}->{$_}||''} qw(name type comment) });
  $tag->paste('last_child', $newElt);
}
[download]

how can it be that the program dies with:

cannot paste an element that belongs to a tree at ./E2W line 546
[download]

line 546 is the past-line.

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