[DDI-users] DDI schema 2.1 (Winona Salesky)

[Matthew Richardson]

Mark,

Let me know when the change is made, and I'll re-deploy the files to the DDI
site.


On 1/16/06 2:12 PM, "Mark R. Diggory" <mdiggory at latte.harvard.edu> wrote:

> I would like to add that for some of us w3c schema is a necessity.
> Having a correct schema version of the DDI is paramount. So any obvious
> error will be will be handled expeditiously. I will add this on to the
> other formatting tag corrections we will be resolving this week.
> 
> I do clearly see the problem, in the DTD:
> 
>> <!ELEMENT valrng  ((range | item)+, key?, notes*)                       >
>> <!ATTLIST valrng
>>       %a.global;
> 
> was translated in creating the schema to the following, clearly an error:
> 
>> <xs:complexType name="valrngType">
>>         <xs:sequence>
>>             <xs:element name="range" type="rangeType"
>> maxOccurs="unbounded"/>
>>             <xs:element name="item" type="itemType"
>> maxOccurs="unbounded"/>
>>             <xs:element name="key" type="keyType" minOccurs="0"/>
>>             <xs:element name="notes" type="notesType" minOccurs="0"
>> maxOccurs="unbounded"/>
>>         </xs:sequence>
>>         <xs:attributeGroup ref="GLOBALS"/>
>>     </xs:complexType>
> 
> ... more logically, it should look like this:
> 
>>     <xs:complexType name="valrngType">
>>         <xs:sequence>
>>             <xs:choice minOccurs="1" maxOccurs="unbounded">
>>                 <xs:element name="item" type="itemType" minOccurs="0"
>> maxOccurs="1"/>
>>                 <xs:element name="range" type="rangeType"
>> minOccurs="0" maxOccurs="1"/>
>>             </xs:choice>
>>             <xs:element name="key" type="keyType" minOccurs="0"/>
>>             <xs:element name="notes" type="notesType" minOccurs="0"
>> maxOccurs="unbounded"/>
>>         </xs:sequence>
>>         <xs:attributeGroup ref="GLOBALS"/>
>>     </xs:complexType>
> 
> I see this error as well for invalrng as well, I can make these
> modifications in the schema maintained on our sourceforge site.
> 
> -Mark Diggory
> Harvard MIT Data Center
> 
> Sanda Ionescu wrote:
> 
>> Hi, Winona.
>> To cut a long story short, the DDI schema(s) on our site, irrespective
>> of version, are known to contain errors. We have fixed some as we found
>> them, but there may be others that we are not aware of.
>> Therefore it is best to continue to use the DTDs (which are correct) for
>> document creation and validation.
>> Good luck, and let me know if you have questions.
>> Sanda.
>> 
>> 
>> -----Original Message-----
>> From: ddi-users-bounces at icpsr.umich.edu
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>> ddi-users-request at icpsr.umich.edu
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>> To: ddi-users at icpsr.umich.edu
>> Subject: DDI-users Digest, Vol 21, Issue 2
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>> Today's Topics:
>> 
>>   1. DDI schema 2.1 (Winona Salesky)
>> 
>> 
>> ----------------------------------------------------------------------
>> 
>> Message: 1
>> Date: Fri, 13 Jan 2006 10:15:45 -0500
>> From: "Winona Salesky" <wmeltzer at Princeton.EDU>
>> Subject: [DDI-users] DDI schema 2.1
>> To: <ddi-users at icpsr.umich.edu>
>> Message-ID: <200601131514.k0DFEGWg025727 at smtpserver1.Princeton.EDU>
>> Content-Type: text/plain; charset="us-ascii"
>> 
>> Hi,
>> 
>> Is anybody using the DDI schema 2.1? We are moving our files over from
>> DTD
>> to schema and I have run into a very odd validation error. In our
>> variable
>> description we frequently use <valrng>, according to the example in the
>> tag
>> library we are using this correctly:
>> 
>> 
>> 
>> <valrng><range min="1" max="3" /></valrng>
>> 
>> 
>> 
>> However, the above example doesn't validate, because <range> and <item>
>> are
>> both mandatory tags in <valrng>. In order to make the above validate I
>> would
>> need to include an <item> tag:
>> 
>> 
>> 
>> <valrng><range min="1" max="3" /><item VALUE="1"/></valrng>
>> 
>> This second example validates just fine, but seems redundant, what is
>> the
>> point of having a range if you need to specify the individual values. Is
>> this a mistake in the schema? Am I misusing these tags?
>> 
>> Any help is appreciated.
>> Thanks,
>> 
>> -Winona Salesky
>> Applications Delivery Specialist
>> wmeltzer at princeton.edu
>> CPANDA [www.cpanda.org]
>> Princeton University Library
>> 
>> 
>> 
>> 
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