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The Basics
Id: 42618
Status: rejected
Priority: 0/
Queue: XML-LibXML

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Owner: Nobody in particular
Requestors: ulli [...] prager.at
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Bug Information
Severity: (no value)
Broken in: (no value)
Fixed in: (no value)



Subject: charset problem
Date: Wed, 21 Jan 2009 21:45:19 +0100
To: <bug-XML-LibXML [...] rt.cpan.org>
From: "Ursula Prager-Ramsa" <ulli [...] prager.at>
Hello , XML::libXML : Version 1.69 Perl: v5.8.8 built for i386-linux Linux imdcl1 2.6.15-1.2054_FC5smp #1 SMP Tue Mar 14 16:05:46 EST 2006 i686 i686 i386 GNU/Linux Libxml: 2.7.2 I have a parser problem. Using the following statements: $parser = XML::LibXML->new(); my $out ='<?xml version="1.0" encoding="utf-8"?>'."\n".'<root>'; $out .="<xxx>\xc3\x96</xxx>\n"; $out .="<art>$art</art>\n"; $out .=XMLout(\@daten_cc,AttrIndent=>1,NoAttr=>1,RootName=>'cc'); ... $out .='</root>'; my $tree = $parser->parse_string($out); print $tree->toString; at this point I get sometimes the correct xml-string : <?xml version="1.0" encoding="utf-8"?> <root><xxx>Ö</xxx> <art>liste</art> ... And sometimes : <?xml version="1.0" encoding="utf-8"?> <root><xxx>Ã-</xxx> <art>aendern</art> ... It seems that the encoding information is ignored and I have no idea what to do. This behavior ist not restricted to this version of XML::libXML. I have this problem since several month (with older versions). Anything I can do? Kind regards Ursula Prager-Ramsa
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My guess is you simply mix up byte strings and character strings and the byte strings when concatenated with the character strings get upgraded by Perl as if they were iso-8859-1 which may cause real mess. Make sure that the string you pass to XML::LibXML is a byte string (UTF8 flag is off) and that all the strings you concatenate are byte strings too. You may test at every point e.g. using Devel::Peek or utf8::is_utf8. Otherwise please provide a self contained test case. -- Petr Dne st 21.led.2009 15:46:21, ulli@prager.at napsal(a): Show quoted text
> Hello , > > > > XML::libXML : Version 1.69 > > Perl: v5.8.8 built for i386-linux > > Linux imdcl1 2.6.15-1.2054_FC5smp #1 SMP Tue Mar 14 16:05:46 EST
2006 Show quoted text
> i686 i686 i386 GNU/Linux > > Libxml: 2.7.2 > > > > I have a parser problem. > > Using the following statements: > > > > $parser = XML::LibXML->new(); > > my $out ='<?xml version="1.0" encoding="utf-8"?>'."\n".'<root>'; > > $out .="<xxx>\xc3\x96</xxx>\n"; > > $out .="<art>$art</art>\n"; > > $out .=XMLout(\@daten_cc,AttrIndent=>1,NoAttr=>1,RootName=>'cc'); > > ... > > $out .='</root>'; > > > > my $tree = $parser->parse_string($out); > > print $tree->toString; > > > > at this point I get sometimes the correct xml-string : > > > > <?xml version="1.0" encoding="utf-8"?> > > <root><xxx>Ö</xxx> > > <art>liste</art> > > ... > > > > And sometimes : > > <?xml version="1.0" encoding="utf-8"?> > > <root><xxx>Ã-</xxx> > > <art>aendern</art> > > ... > > > > It seems that the encoding information is ignored and I have no idea > what to do. This behavior ist not restricted to this version of > XML::libXML. I have this problem since several month (with older > versions). > > > > Anything I can do? > > > > Kind regards > > > > Ursula Prager-Ramsa > > >
Subject: AW: [rt.cpan.org #42618] charset problem
Date: Sat, 24 Jan 2009 10:24:39 +0100
To: <bug-XML-LibXML [...] rt.cpan.org>
From: "Ursula Prager-Ramsa" <ulli [...] prager.at>
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Thank you very much. This was the solution. Until now is was not aware about a difference between byte strings and character strings. ulli Show quoted text
-----Ursprüngliche Nachricht----- Von: Petr Pajas via RT [mailto:bug-XML-LibXML@rt.cpan.org] Gesendet: Freitag, 23. Januar 2009 21:30 An: Ursula Prager-Ramsa Betreff: [rt.cpan.org #42618] charset problem <URL: https://rt.cpan.org/Ticket/Display.html?id=42618 > My guess is you simply mix up byte strings and character strings and the byte strings when concatenated with the character strings get upgraded by Perl as if they were iso-8859-1 which may cause real mess. Make sure that the string you pass to XML::LibXML is a byte string (UTF8 flag is off) and that all the strings you concatenate are byte strings too. You may test at every point e.g. using Devel::Peek or utf8::is_utf8. Otherwise please provide a self contained test case. -- Petr Dne st 21.led.2009 15:46:21, ulli@prager.at napsal(a):
> Hello , > > > > XML::libXML : Version 1.69 > > Perl: v5.8.8 built for i386-linux > > Linux imdcl1 2.6.15-1.2054_FC5smp #1 SMP Tue Mar 14 16:05:46 EST
2006
> i686 i686 i386 GNU/Linux > > Libxml: 2.7.2 > > > > I have a parser problem. > > Using the following statements: > > > > $parser = XML::LibXML->new(); > > my $out ='<?xml version="1.0" encoding="utf-8"?>'."\n".'<root>'; > > $out .="<xxx>\xc3\x96</xxx>\n"; > > $out .="<art>$art</art>\n"; > > $out .=XMLout(\@daten_cc,AttrIndent=>1,NoAttr=>1,RootName=>'cc'); > > ... > > $out .='</root>'; > > > > my $tree = $parser->parse_string($out); > > print $tree->toString; > > > > at this point I get sometimes the correct xml-string : > > > > <?xml version="1.0" encoding="utf-8"?> > > <root><xxx>Ö</xxx> > > <art>liste</art> > > ... > > > > And sometimes : > > <?xml version="1.0" encoding="utf-8"?> > > <root><xxx>Ã-</xxx> > > <art>aendern</art> > > ... > > > > It seems that the encoding information is ignored and I have no idea > what to do. This behavior ist not restricted to this version of > XML::libXML. I have this problem since several month (with older > versions). > > > > Anything I can do? > > > > Kind regards > > > > Ursula Prager-Ramsa > > >
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Dne so 24.led.2009 04:46:03, ulli@prager.at napsal(a): Show quoted text
> Thank you very much. This was the solution. Until now is was not aware > about a difference between byte strings and character strings. > ulli
Ok, I'm closing this bug. Thanks, -- Petr


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