my $data;
- $data->{what} = $node->kid('what')->text;
+ my ($what, $xwhat);
+ if ($twig->protocol_version >= 4) {
+ $xwhat = $node->first_child('xwhat');
+ $what = $xwhat->kid('text')->text if defined $xwhat;
+ }
+ $what = $node->kid('what')->text unless defined $what;
+ $data->{what} = $what;
+
$data->{stack} = [ map $_->listify_frame,
$node->kid('stack')->children('frame') ];