Why don't you just set the namespace 

$root->setNamespace( 
  'http://a9.com/-/spec/opensearch/1.1/', 'openSearch' 
);

[download]

Or use it in the XPATH 

my $start = $root->findvalue( 'openSearch:startIndex/text()' );

[download]

-derby

In reply to Re: LibXML - Removing Namespace? by derby
in thread LibXML - Removing Namespace? by Anonymous Monk

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