xmllint stopped working?

xmllint stopped working?

[Mike Maxwell]

It appears that xmllint has stopped working in recent CygWin versions.

Specifically, the use of an entity defined in an XML file triggers the 
following:

---------
 > xmllint --noout --schema ParadigmDefn.xsd TestSuite/Paradigms.Defn.xml
Unimplemented block at 
/instsoft/libxml/uploaded/libxml2-2.6.20/xmlschemas.c:23832
Element 
'{http://lodl.ldc.upenn.edu/ParadigmDefn.xsd}DisallowedFeatureValues':
Element content is not allowed, because the type definition is simple.
TestSuite/Paradigms.Defn.xml fails to validate
---------

These same files used to pass xmllint fine, and they still do when I run 
xmllint on a FreeBSD system.

The xsd in question is too large to post in this msg, but here's a sort 
of minimal XML file that will trigger the error:

---------
<?xml version="1.0" encoding="ISO-8859-1"?>

<!DOCTYPE ParadigmDefn
     [ <!ENTITY Clitic2 "foobar"> ]
 >

<ParadigmDefns xmlns 
="http://lodl.ldc.upenn.edu/ParadigmDefn.xsd"
                          xmlns:xsi 
="http://www.w3.org/2001/XMLSchema-instance"
                          xsi:schemaLocation="http://lodl.ldc.upenn.edu 
ParadigmDefn.xsd"
                          Title="Paradigms"
 >
     <POS category="V0">
         <Paradigm name="tenses" constant_features="3sgS-">
             <FeatureValueSet >
                 <DisallowedFeatureValues> &Clitic2; 
</DisallowedFeatureValues>
             </FeatureValueSet>
         </Paradigm>
     </POS>
</ParadigmDefns>
---------

I'm not sure of the exact date when this started happening, but I just 
noticed it yesterday.  I downloaded the latest CygWin update today, and 
xmllint is still not working.

BTW, I am inexperienced with XML, so it could be that the above is due 
to s.t. that I'm doing wrong--but as I say, at least one other 
implementation of xmllint accepts it.

And it could be that there's a better place to report this bug.  I 
looked for an libxml site on sourceforge, but only found libxml2 (= 
libxml++).
-- 
	Mike Maxwell
	Linguistic Data Consortium
	maxwell@ldc.upenn.edu

	"When I get a little money I buy books;
           and if any is left I buy food and clothes."
	--Erasmus


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Re: xmllint stopped working?

[Mike Maxwell]

Mike Maxwell wrote:
> ...here's a sort 
> of minimal XML file that will trigger the error:
> ...
>                 <DisallowedFeatureValues> &Clitic2; </DisallowedFeatureValues>

I should have mentioned, if I replace the entity '&Clitic2;' with its 
value ('"foobar"'), the xml file passes xmllint just fine.

	Mike Maxxwell


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Re: xmllint stopped working?

[Gerrit P. Haase]

Mike Maxwell wrote:
> It appears that xmllint has stopped working in recent CygWin versions.

Specifically with libxml2-2.6.20 or was it broken before you upgraded?

> Specifically, the use of an entity defined in an XML file triggers the 
> following:

Works with libxml2-2.6.16-2 on cygwin-1.5.17-1:

$ xmllint xmllint.problem.xml
<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE ParadigmDefn [
<!ENTITY Clitic2 "foobar">
]>
<ParadigmDefns xmlns="http://lodl.ldc.upenn.edu/ParadigmDefn.xsd" 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
xsi:schemaLocation="http://lodl.ldc.upenn.edu ParadigmDefn.xsd" 
Title="Paradigms">
     <POS category="V0">
         <Paradigm name="tenses" constant_features="3sgS-">
             <FeatureValueSet>
                 <DisallowedFeatureValues> &Clitic2;
</DisallowedFeatureValues>
             </FeatureValueSet>
         </Paradigm>
     </POS>
</ParadigmDefns>


> ---------
>  > xmllint --noout --schema ParadigmDefn.xsd TestSuite/Paradigms.Defn.xml
> Unimplemented block at 
> /instsoft/libxml/uploaded/libxml2-2.6.20/xmlschemas.c:23832
> Element 
> '{http://lodl.ldc.upenn.edu/ParadigmDefn.xsd}DisallowedFeatureValues':
> Element content is not allowed, because the type definition is simple.
> TestSuite/Paradigms.Defn.xml fails to validate
> ---------
> 
> These same files used to pass xmllint fine, and they still do when I run 
> xmllint on a FreeBSD system.

Which version?

> The xsd in question is too large to post in this msg, but here's a sort 
> of minimal XML file that will trigger the error:

How do I need to call it to reproduce the error?  At least when running
`xmllint Paradigms.Defn.xml` I get no error (Unimplemented block) with
version 2.6.20.


> 
> ---------
> <?xml version="1.0" encoding="ISO-8859-1"?>
> 
> <!DOCTYPE ParadigmDefn
>     [ <!ENTITY Clitic2 "foobar"> ]
>  >
> 
> <ParadigmDefns xmlns ="http://lodl.ldc.upenn.edu/ParadigmDefn.xsd"
>                          xmlns:xsi 
> ="http://www.w3.org/2001/XMLSchema-instance"
>                          xsi:schemaLocation="http://lodl.ldc.upenn.edu 
> ParadigmDefn.xsd"
>                          Title="Paradigms"
>  >
>     <POS category="V0">
>         <Paradigm name="tenses" constant_features="3sgS-">
>             <FeatureValueSet >
>                 <DisallowedFeatureValues> &Clitic2; 
> </DisallowedFeatureValues>
>             </FeatureValueSet>
>         </Paradigm>
>     </POS>
> </ParadigmDefns>
> ---------
> 
> I'm not sure of the exact date when this started happening, but I just 
> noticed it yesterday.  I downloaded the latest CygWin update today, and 
> xmllint is still not working.
> 
> BTW, I am inexperienced with XML, so it could be that the above is due 
> to s.t. that I'm doing wrong--but as I say, at least one other 
> implementation of xmllint accepts it.
> 
> And it could be that there's a better place to report this bug.  I 
> looked for an libxml site on sourceforge, but only found libxml2 (= 
> libxml++).

Libxml is an GNU project with its own site: http://www.libxml.org
Please ask at the mailing list before reporting it as bug, mailing
list informations are also here: http://www.xmlsoft.org/bugs.html
Listmanager to subscribe: http://mail.gnome.org/mailman/listinfo/xml


Gerrit
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Re: xmllint stopped working?

[Mike Maxwell]

(I responded to Gerrit in an email, but I'm copying my response here in
case anyone is interested.  I did do a posting to the mailing list 
Gerrit suggests at the end of this msg. --MM)

-------- Original Message --------
Subject: Re: xmllint stopped working?
Date: Sat, 16 Jul 2005 08:16:46 -0400
From: Mike Maxwell <maxwell@ldc.upenn.edu>
To: Gerrit P. Haase <gerrit@familiehaase.de>
References: <42D7DF03.4010004@ldc.upenn.edu>
<42D8542B.6060402@familiehaase.de>

Gerrit P. Haase wrote:
> Mike Maxwell wrote:
>> It appears that xmllint has stopped working in recent CygWin
>> versions.
> 
> Specifically with libxml2-2.6.20 or was it broken before you
> upgraded?

I don't know--I don't run xmllint every day, and I don't know which
version I had when it was still working.

Here's the msg I get when I run 'xmllint --version' on Cygwin:

xmllint: using libxml version 20620
     compiled with: DTDValid FTP HTTP HTML C14N Catalog XPath XPointer
XInclude Iconv Unicode Regexps Automata Schemas Modules

>> These same files used to pass xmllint fine, and they still do when
>> I run xmllint on a FreeBSD system.
> 
> Which version?

Here's the 'xmllint --version' msg on the FreeBSD system:

xmllint: using libxml version 20619
     compiled with: DTDValid FTP HTTP HTML C14N Catalog XPath XPointer
XInclude Iconv Unicode Regexps Automata Schemas

So it looks like a slightly older version of libxml works OK.

> How do I need to call it to reproduce the error?  At least when 
> running `xmllint Paradigms.Defn.xml` I get no error (Unimplemented
> block) with version 2.6.20.

I'm attaching two files: the xsd, and the xml.  I have not tried to
minimize the .xsd file, but the .xml file is pretty much the minimum to
reproduce the error.  The command line is

    xmllint --noout --schema ParadigmDefn.xsd Tmp.xml

> Libxml is an GNU project with its own site: http://www.libxml.org 
> Please ask at the mailing list before reporting it as bug, mailing 
> list informations are also here: http://www.xmlsoft.org/bugs.html 
> Listmanager to subscribe: http://mail.gnome.org/mailman/listinfo/xml

Thanks, I'll try that.


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