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RE: RE: XSD - Validator problem

• From: Rick Jelliffe <rjelliffe@a...>
• To: xml-dev@l...
• Date: Wed, 03 Oct 2007 14:32:02 +1000

The trouble is that the Byte Order Mark is only a Byte Order Mark in
UTF-16 (or UTF-32). In UTF-8, at the start of a file it is just a
nonsense character, useless, out-of-place, a sign of bad programming,
and it messes up encoding detectors which expect a real Byte Order Mark
or a <?xml

Cheers
Rick Jelliffe

On Tue, 2007-10-02 at 22:29 +0100, Michael Kay wrote:
> Actually the relevant text is a bit beyond that in 4.3.3 where it says
>  
> Entities encoded in UTF-16 MUST and entities encoded in UTF-8 MAY
> begin with the Byte Order Mark
>  
> which presumably means that XML processors MUST accept entities in
> UTF-8 with a byte order mark. But as that provision was only added by
> erratum to later editions of the XML spec, it's not surprising that
> older parsers don't accept it. People still using JDK 1.4 are always
> tripping over this.
>  
> (I prefer it too when users raise bugs in a product-specific forum,
> but it's actually quite useful that problems sometimes get aired in
> public because issues like this affect the whole community.)
>  
> Michael Kay
> http://www.saxonica.com/
>  
> 
>         
>         ______________________________________________________________
>         From: Gerald Sheehan [mailto:gerald.sheehan@a...] 
>         Sent: 02 October 2007 19:16
>         To: Fraser Goffin; xml-dev@l...
>         Subject: RE: RE:  XSD - Validator problem
>         
>         
>         
>         Hi Group,
>          
>         I should have replied to the group earlier as well. I actually
>         responded to Sebastian offline earlier, anyway I am able to
>         reproduce the error in XMLSpy when introducing a BOM at the
>         beginning of the file as I informed Sebastian.
>          
>         .. which takes us to the following page here,
>          http://www.w3.org/TR/2004/REC-xml-20040204/#charsets
>         
>         In some cases, the customer is actually better off contacting
>         the vendor of the tool he's using for a specific case such as
>         this, where the tool is giving him an error he doesn't
>         understand.
>         
>         
>         Best Regards,
>         ... Gerald D. Sheehan
>         ... Pre-Sales Engineer
>         ... Altova, Inc.
>         
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>         
>         ______________________________________________________________
>         From: Fraser Goffin [mailto:goffinf@g...] 
>         Sent: Tuesday, October 02, 2007 10:01 AM
>         To: xml-dev@l...
>         Subject: Re: RE:  XSD - Validator problem
>         
>         
>         
>         Tried it in XML Spy 2005 ! and it validates fine. Must be
>         something wrong with your input file.
>          
>         Fraser.
>         
>          
>         On 02/10/2007, "Sebastian Hinterwälder"
>         <sebi-hinterwaelder@g...> wrote: 
>                 Hello
>                 
>                 > By the way, you didn't mention which version of the
>                 software you're using.
>                 > I believe your issue may be due to a control
>                 character at the beginning of 
>                 > the file. If you're using XMLSpy 2008, then this
>                 will be visible.
>                 >
>                 
>                 
>                 I am using XMLSpy 2007! Maybe that's the hint to my
>                 problem. So I will try to use a different validator
>                 and report if the error occurs there as well later on.
>                 Thanks to you guys for the first! 
>                 
>                 Greets Sebastian
>                 --
>                 Psssst! Schon vom neuen GMX MultiMessenger gehört?
>                 Der kanns mit allen:
>                 http://www.gmx.net/de/go/multimessenger
>                 
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>         

• Follow-Ups:
  • RE: RE: XSD - Validator problem
    • From: "Michael Kay" <mike@s...>

• References:
  • XSD - Validator problem
    • From: "Sebastian Hinterwälder"<sebi-hinterwaelder@g...>
  • RE: XSD - Validator problem
    • From: "Gerald Sheehan" <gerald.sheehan@a...>
  • Re: RE: XSD - Validator problem
    • From: "Sebastian Hinterwälder"<sebi-hinterwaelder@g...>
  • Re: RE: XSD - Validator problem
    • From: "Fraser Goffin" <goffinf@g...>
  • RE: RE: XSD - Validator problem
    • From: "Gerald Sheehan" <gerald.sheehan@a...>
  • RE: RE: XSD - Validator problem
    • From: "Michael Kay" <mike@s...>