"How would you proceed to get the content of the inner html document?"

This will get you the inner HTML document:

use feature 'say';
use Mojo::DOM;
my $html = '<!DOCTYPE html>
<html>
    <head>
        <script>/*some ugly header stuff*/</script>
    </head>
    <body>
        <html>
            <head>
                <script>/*some embedded document*/</script>
            </head>
            <body>
                <h1>Hello</h1>
                <p>this is a test</p>
                <p>this is a second test</p>
            </body>
        </html>
        <p>some kind of wrapped footer</p>
    </body>
</html>';

my $dom = Mojo::DOM->new( $html );
say $dom->at('html html')->child_nodes->first->remove;

[download]

prints:

<html><head>
                <script>/*some embedded document*/</script>
            </head>
            <body>
                <h1>Hello</h1>
                <p>this is a test</p>
                <p>this is a second test</p>
            </body>
        </html>

[download]

Mojo::DOM is very powerful, should you wish to extract or manipulate any of the subsequent HTML.

In reply to Re: Parsing incorrect html by marto
in thread Parsing incorrect html by seki

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
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