[tdwg-tapir] Is the current schema valid?

D ö ring, Markus m.doering at BGBM.org
Tue Jul 31 17:31:04 CEST 2007

Afaik oxygen is using xerces for validation - which is a very good
parser/validator. Not sure if the w3c xsv validator is more trustable, but I
feel very uncomfortable if xerces doesnt validate the schema.


Am 27.07.2007 15:07 Uhr schrieb "Renato De Giovanni" unter
<renato at cria.org.br>:

> Hi Roger,
> Before publishing new versions of the TAPIR schema I always use the
> official w3c validation service:
> http://www.w3.org/2001/03/webdata/xsv
> Since it's not detecting any problems with the current schema, one of
> the two validators has a problem.
> There's only one <xsd:all> element that I recently introduced in the
> schema to allow TAPIR environment variables to be declared in any
> order in capabilities responses. This <xsd:all> is part of an
> <xsd:group> particle with minOccurs=maxOccurs=1, but this particle is
> not "part of a pair of a complex type definition".
> We could probably replace "all" by a "sequence" to avoid this problem
> and force a specific order, although this will probably affect one or
> more data provider implementations. Or maybe just leave things as
> they are if we can confirm that the Oxygen validator is wrong.
> I'll appreciate any thoughts or suggestions...
> Best Regards,
> --
> Renato
> On 27 Jul 2007 at 11:12, Roger Hyam wrote:
>> Hi All,
>> I have just noticed that the schema at:
>> http://rs.tdwg.org/tapir/1.0/schema/tapir.xsd
>> isn't valid according to Oxygen 8.0.
>> E cos-all-limited.1.2: An 'all' model group must appear in a particle
>> with '{'min occurs'}' = '{'max occurs'}' = 1, and that particle must
>> be part of a pair which constitutes the '{'content type'}' of a
>> complex type definition.
>> Am I missing something - I appreciate that there are a stack of
>> emails I need to work back through.
>> All the best,
>> Roger
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