My example is as below

------------------------------
use XML::LibXML;

my $parser = XML::LibXML-> new();
my $doc = $parser-> parse_string(<<EOF);
<A> <AA Attr="B">xxx</AA></A>
EOF


@AA=$doc-> getDocumentElement()->getElementsByTagName("AA");
$AA[0]-> setAttribute("Attr","&#123;");
$doc-> toFile("a.xml");
------------------------------
open a.xml you'll see <AA Attr="&amp;#123;"> 

-----Original Message-----
From: Petr Pajas [mailto:pajas@[...].cz]
Sent: Thursday, January 08, 2004 10:58 PM
To: Derek Chen (RD-TW)
Cc: perl-xml@[...].com
Subject: Re: LibXML: How do I serialize an attribute like this Attr="&#123;" to file


<Derek_Chen@[...].tw>  writes:

>  Hi,

>  I want my xml file having an element like this <abc
>  Attr="&#123;"/>. But when I call $doc->toFile it becomes <abc
>  Attr="&amp;#123;">. What should I do? Thanks.
> 
>  Derek

Hm, I check with various setups, including the latest one using CVS
versions of libxml2 and XML-LibXML and I cannot reproduce the problem.
Please specify your libraries versions and send a functional
reproducible example code demonstrating the behaviour you describe and
XML file to test it with.

-- Petr

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