Thanks.
I had tried:
foreach my $d2 ( $ccc->findnodes('./xapi:d2') ) {
instead of:
foreach my $d2 ( $xc->findnodes('./xapi:d2', $ccc) ) {

In reply to Re^5: Namespaced XML::LibXML XPath query (not a bug) by jbfamilly
in thread Namespaced XML::LibXML XPath query by diotalevi

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