Re: [topicmaps-comment] xtm.xml in IE

[Nikita Ogievetsky <nogievet@cogx.com>]

I reported this to MS last December,
they sort of acknowledged this bug in MSXML (that ships with IE 5)
and recommended installing MSXML3 in replace mode.

Now IE6 ships with MSXML3.
It does open XTM files that have XTM namespace explicitly declared.
For example, http://www.topicmaps.org/xtm/core.xtm or
ISO topic maps that I converted to XTM
(i.e. Kal's music topic map:
http://www.cogx.com/xslt4tm2xtm/music-xtm.xml)

It gives the following message when XTM namespace is
not declared explicitly in the document:

Use of default namespace declaration attribute in DTD not supported. Line 3,
Position 54

And the document was:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE topicMap SYSTEM "xtm1.dtd">
<topicMap xmlns:xlink="http://www.w3.org/1999/xlink">
{...}


Hope this helps.

--Nikita.


----- Original Message -----
From: "Murray Altheim" <murray.altheim@sun.com>
To: "Thomas B. Passin" <tpassin@home.com>
Cc: <topicmaps-comment@lists.oasis-open.org>
Sent: Tuesday, October 09, 2001 3:22 PM
Subject: Re: [topicmaps-comment] xtm.xml in IE


> "Thomas B. Passin" wrote:
> >
> > [david aumueller]
> > >
> > > Internet Explorer gives me a "reference to undeclared namespace
prefix:
> > xlink" error when I try to open a simple
> > > XTM file:
> > >
> > >
> > > <?xml version="1.0" encoding="UTF-8"?>
> > > <!DOCTYPE topicMap SYSTEM "xtm1.dtd">
> > > <topicMap xmlns="http://www.topicmaps.org/xtm/1.0/"
> > xmlns:xlink="http://www.w3.org/1999/xlink">
> > > ...
> > >
> > >
> > > Sure it works fine without the doctype-declaration...
> > >
> > I think that IE, noticing the document type declaration, is insisting on
> > validating the document.  If the dtd does not define the namespace
> > "attribute", IE would return this response.
>
> The DTD does define both namespace attributes. IE is simply trying to do
> some funky XML
>  namespace processing.
>
> > What to put in the DTD to
> > pursuade it to accept the namespcae prefix?  Sorry, I can't help, but
try
> > the obvious constructions.  How to get IE not to validate?  If you were
> > running msxml3 under program control you could, but I don't think you
can
> > when it's being run by the browser.
> >
> > I've seen these unwanted validating efforts too.  Not a lot of help, I'm
> > afraid.
>
> I don't think this is actually validation but an attempt to resolve the
> namespace URI, which isn't supposed to happen.
>
> You could try processing this:
>
>    <?xml version="1.0"?>
>    <!DOCTYPE foo [
>      <!ELEMENT foo EMPTY >
>      <!ATTLIST foo
>          xmlns        CDATA  #FIXED "http://www.foo.com/2001/foo"
>          xmlns:xlink  CDATA  #FIXED "http://www.w3.org/1999/xlink"
>    ]>
>    <foo xmlns="http://www.foo.com/2001/foo"
>         xmlns:xlink="http://www.w3.org/1999/xlink" />
>
> This is a completely valid XML instance that should provide the same
> namespace test as the XTM DTD. If IE chokes on the above, it'll choke
> on any XTM document. This *might* help, but I don't use IE myself so
> I can't test this hypothesis.
>
> Murray
>
>
...........................................................................
> Murray Altheim
<mailto:murray.altheim&#x40;sun.com>
> XML Technology Center
> Sun Microsystems, Inc., MS MPK17-102, 1601 Willow Rd., Menlo Park, CA
94025
>
>       In the evening
>       The rice leaves in the garden
>       Rustle in the autumn wind
>       That blows through my reed hut.  -- Minamoto no Tsunenobu
>
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