[DDI-SRG] DDI Q

[A. Gregory]

Achim:

Am I correct in thinking that @lang is a DDI 1/2.* thing? We actually use
the schema type in DDI 3.0 for all non-standard (that is, non-xml:lang)
attributes, because the semantic is different from xml:lang. At least, that
was the intention.

There is no way to enumerate the values for xml:lang because xml supports
the extensions provided for in ISO 639. If we want to restrict this, we
could enumerate.

If there are places in DDI 3.0 where we have incorrectly typed fields which
are supposed to take a standard language value, we should fix these.

Cheers,

Arofan

-----Original Message-----
From: ddi-srg-bounces at icpsr.umich.edu
[mailto:ddi-srg-bounces at icpsr.umich.edu] On Behalf Of Joachim Wackerow
Sent: Thursday, July 23, 2009 3:18 AM
To: ddi-srg at icpsr.umich.edu
Subject: Re: [DDI-SRG] DDI Q

Wendy,

This looks like we need to improve the documentation for language usage. 
ISO 639 is nowhere mentioned. A paragraph regarding the usage of 
language could be introduced including some information like below. A 
list of elements and attributes which use the ISO code can be added.

A controlled vocabulary can be provided as genericode list for the 
two-letter code and the three-letter code as well. I'm not sure if this 
is included in the lists of the CV group. I didn't find it in the Ken's 
email from 2009-02-13.

I noticed a bug in archive.
/n1:DDIInstance/s:StudyUnit/a:Archive/a:OrganizationScheme/a:Individual/a:La
nguage/@ISO
The attribute ISO should have a value of the ISO code not 
LanguageLevelCodeType

This is all work for 3.2. It looks like a minor but non-validating 
change. The addition of xml:lang for upper-level elements is anyway pending.

Achim

Joachim Wackerow wrote:
> Hi Benjamin,
> 
> The attribute xml:lang is defined by the XML standard. ISO 639 is used 
> for language codes.
> 
> ISO 639 is used in DDI at several other places where a language code is 
> required.
> 
> See the official list at:
> http://www.loc.gov/standards/iso639-2/php/code_list.php
> 
> The three-letter code list is the newer standard. Usually the two-letter 
> code list is used when it is sufficient. The three-letter code list is 
> probably more appropriate for your usage. Hopefully you will find all 
> languages in this list. If not, tell me.
> 
> Please note, that "New codes will no longer be added to ISO 639-1 after 
> the publication of a revised standard unless they are also added to ISO 
> 639-2."
> 
> Details at:
> 4. Relationship between ISO 639-1 to ISO 639-2
> http://www.loc.gov/standards/iso639-2/iso639jac_n3r.html
> 
> Achim
> 
> benjamin clark wrote:
>> Hello All,
>>
>> We are slowly by slowly working on the DDI and I have 1 question for 
>> you.  I belief the @lang attribute of many elements is suppose to be 
>> an ISO code for the language? I am having trouble finding that list 
>> and further what happens when the language does not exist in that list?
>>
>> thanks
>> benjamin d clark
> 
> 


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