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Thanks for the explanation, mirod.

I'm typically creating XML that dead-ends into a typesetting system (and may need its structure changed on a whim); therefore, DTDs are not created, and, as a result, my knowledge of them remains scant.

For my fellow SOPW, here's what I ended up with (I changed the content of element so the example would make a little more sense):
use strict; use warnings; use XML::Twig; my $XML = XML::Twig->new( pi => 'process', pretty_print => 'indented', twig_roots => { 'element' => sub { for my $child ($_->cut_children()) { if ($child->is_pcdata()) { for my $piece (split /(Warning:)/i, $child->trimme +d_text()) { my $pcdata = XML::Twig::Elt->new('#PCDATA' => +$piece); if ($piece =~ /Warning:/i) { my $b_start = XML::Twig::Elt->new('#PI'); $b_start->set_target('xpp'); $b_start->set_data('bold'); my $b_end = XML::Twig::Elt->new('#PI'); $b_end->set_target('xpp'); $b_end->set_data('/bold'); $b_start->paste('last_child', $_); $pcdata->paste('last_child', $_); $b_end->paste('last_child', $_); } else { $pcdata->paste('last_child', $_); } } } else { $child->paste('last_child', $_); } } $_->flush(); } }, ); $XML->parse(*DATA); print "\n"; __DATA__ <root> <element>A sentence about the product<?xpp qa?>Warning: This may s +pontaneously combust.</element> </root>

In reply to Re^3: XML::Twig and Processing Instructions by eff_i_g
in thread XML::Twig and Processing Instructions by eff_i_g

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