XML::LibXML hangs on document w/ DTD

Vaclav Barta <[email protected]> Tue, 15 Nov 2011 19:33:11 +0100

Newsgroups	gmane.comp.lang.perl.xml
Message-ID	<[email protected]>

Hi,

in response to a user bug report, I tried testing my module 
(XML::DifferenceMarkup) again and found that its testsuite hangs on my machine 
:-( - which isn't necessarily anybody else's problem, :-) but I've isolated it 
to a test case that isn't using XML::DifferenceMarkup at all:

#!/usr/bin/perl

use XML::LibXML;

use strict;
use warnings;

my $parser = XML::LibXML->new();
$parser->keep_blanks(0);

my $a = $parser->load_xml(string => <<'ADOC');
<html>
</html>
ADOC
print "parsed a\n";
my $b = $parser->load_xml(string => <<'BDOC');
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
   "http://www.w3.org/TR/html4/loose.dtd">
<html>
</html>
BDOC
print "parsed b\n";

prints "parsed a" but hangs when parsing b... It could still be a problem with 
my local configuration (although AFAIK I didn't do anything special to resolve 
DTDs), but xmllint handles the "b" doc fine - adds xml declaration but doesn't 
complain about anything and ends normally. libxml2 is 2.7.8, XML::LibXML 1.70 
(I also tried 1.88, with the same result) on gentoo. Has anybody seen (and 
ideally solved) this problem before?

	Bye
		Vasek
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