- From: Martin Gudgin <marting@develop.com>
- Date: Mon, 29 Jan 2001 11:22:34 -0000
- To: "Eric van der Vlist" <vdv@dyomedea.com>
- Cc: "XML Schema Dev" <xmlschema-dev@w3.org>
Follow up... Strangely mapping http://www.w3.org/XML/1998/namespace to some arbitrary prefix like ppp works just fine[4] Gudge [4] http://marting.develop.com/xsd/xmlspace2.xsd ----- Original Message ----- From: "Eric van der Vlist" <vdv@dyomedea.com> To: "Martin Gudgin" <marting@develop.com> Cc: "XML Schema Dev" <xmlschema-dev@w3.org> Sent: Monday, January 29, 2001 11:06 AM Subject: Re: Unknown prefix xml? > Martin Gudgin wrote: > > > > Just to be sure... You are saying I have to put > > > > xmlns:xml='http://www.w3.org/XML/1998/namespace' > > > > in my schema document? > > Yes. > > > That seems very weird. The xml namespace prefix is always in scope, why > > should I have to declare it. > > My take on this is that W3C XML Schema is trying to kill 2 birds with a > single declaration. > > When you write xmlns:foo="http://bar" in a schema, you do 2 different > things: > > 1) you declare a namespace prefix per the namespaces in XML 1.0 rec > that, most of the time, you will not use as a namespace prefix. > > 2) you declare to the schema processor that you will be using the prefix > 'foo' inside W3C XML Schema attributes to identify the namespace > "http://bar". > > The xml namespace prefix is always in your scope per the namespace rec > to perform 1), but not ins your scope to perform 2). > > > MSXML sees this as an error, complaing that the prefix xml is invalid. > > Xerces and Oracle accept it. Either way it doesn't solve my problem. A modified schema with the > > above declaration still gives the same error[3] > > I am confused with your schema. It has no global element definition... > Is it intended to be included in another one ? Otherwise I don't see > which instance document can be validated ? Could you provide one ? > > Eric > > > Gudge > > > > [3] http://marting.develop.com/xsd/xmlspace.mod.xsd > > > > ----- Original Message ----- > > From: "Eric van der Vlist" <vdv@dyomedea.com> > > To: "Martin Gudgin" <marting@develop.com> > > Cc: "XML Schema Dev" <xmlschema-dev@w3.org> > > Sent: Monday, January 29, 2001 9:27 AM > > Subject: Re: Unknown prefix xml? > > > > > Martin Gudgin wrote: > > > > > > > > I'm getting an 'attribute type check failed for {None}:ref: xml:space has undeclared prefix: > > xml' > > > > error using XSV1.1a with the schema at[1]. Full XSV output is at[2]. > > > > > > > > I don't *think* I should have to declare the xml prefix inside my schema, should I? > > > > > > Yes you have ;=) ... > > > > > > You need to define its namespace as > > > "http://www.w3.org/XML/1998/namespace". > > > > > > You don't **need** to specify a schame location for this namespace since > > > a schema validator will find a schema for this namespace by > > > dereferencing the URI. > > > > > > If you don't specify a schema location, it will mean though that your > > > schema processor will perform an access to this location each time it > > > validates the schema (unless it's using a cache). > > > > > > Erix > > > > > > > Gudge > > > > > > > > [1] http://marting.develop.com/xsd/xmlspace.xsd > > > > [2] http://marting.develop.com/xsd/xmlspace.err.xml > > > > > > -- > > > ------------------------------------------------------------------------ > > > Eric van der Vlist Dyomedea http://dyomedea.com > > > http://xmlfr.org http://4xt.org http://ducotede.com > > > ------------------------------------------------------------------------ > > -- > ------------------------------------------------------------------------ > Eric van der Vlist Dyomedea http://dyomedea.com > http://xmlfr.org http://4xt.org http://ducotede.com > ------------------------------------------------------------------------
Received on Monday, 29 January 2001 06:23:31 UTC