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    use strict;
    use warnings;
    ...
    for my $element ($tree->content_list()) {
        print $element->as_text (), "\n\n";
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    Dogs may not smarter than 6-year-olds, but researchers suggest canines
    + might be on par with 2-year-olds.< Psychologist Stanley Coren says, 
    +"We do know that dogs understand far more than we credit them with, f
    +rom about 165 words to 250 words." Even better than understanding our
    + words, dogs know our hand gestures and body postures. Dogs may, in f
    +act, far exceed 2-year-olds when it comes to reading emotions.
    
    Developmentally, 2-year-olds are generally more interested in themselv
    +es, while dogs do care how their people feel, and instantly recognize
    + a change in emotion.< "While your dog can't comprehend that you just
    + received a traffic violation, he can tell that you're upset the seco
    +nd you walk through the door," Coren says. "In fact, dogs can detect 
    +some subtle changes which even adults can't," adds Coren. "We can't s
    +mell cancer or predict seizures, as dogs can."< When I posted this st
    +ory on my Facebook Fan page recently (www.new.f acebook.com/pages/Ste
    +ve-Dale/50057343596?ref=ts, or simply type Steve Dale into the Facebo
    +ok search), I received some interesting responses:< Kelle: "Heck, my 
    +Italian Greyhound is smarter than most college students."< Karen: "De
    +pends on how you define smart.