Why should I use XPathContext with Perl's XML::LibXML?

Question

This script works with and without XPathContext. Why should I use it with XPathContext?

#!/usr/bin/env perl
use warnings; use stric         


        

Answer 1

The primary reason for using XPathContext elements is namespaces. Your document has no namespaces so XPathContexts don't add anything to your query. Now, imagine that you actually had the following xml

my $doc = $parser->parse_string(<

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