Bug#912780: Line numbers not printed on error despite XML_LIBXML_LINENUMBERS => 1

[積丹尼 Dan Jacobson]

Package: libxml-libxml-perl
Version: 2.0132+dfsg-2+b1
Severity: minor

Line numbers not printed on error despite XML_LIBXML_LINENUMBERS => 1:
$ cat e.pl
use XML::LibXML;
my $doc = XML::LibXML::Document->new( XML_LIBXML_LINENUMBERS => 1 );
my $x = $doc->createElement('x');
$x->appendChild($x);
$ perl -w e.pl
appendChild: HIERARCHY_REQUEST_ERR