Re: [dmarc-ietf] RUA XML : maxOccurs="unbounded" not allowed

[Alessandro Vesely <[e-mail]>]

On Tue 02/Apr/2024 18:41:50 +0200 OLIVIER HUREAU wrote:
> Hi,
> 
> I have tried to run some measurements with the new XSD but it seems that it is 
> not valid :
> 
> ```
> xmlschema.validators.exceptions.XMLSchemaParseError: attribute 
> maxOccurs='unbounded': value must be one of [0, 1]:
> ```
> 
> The complex type "ReportMetadataType" has a <xs:all> (see below).
> However the Python library i am using refuses the XSD files as, according to 
> W3, macOccurs unbounded are not accepted in all :
> 
> ```
> Schema Component Constraint: All Group Limited
> When a model group has {compositor} all, then all of the following must be true:
> 1 It appears only as the value of one or both of the following properties:
> 1.1 the {model group} property of a model group definition.
> 1.2 the {term} property of a particle with {max occurs}=1which is part of a 
> pair which constitutes the {content type} of a complex type definition.
> 2 The {max occurs} of all the particles in the {particles} of the group must be 
> 0 or 1.
> ```
> https://www.w3.org/TR/xmlschema-1/#cos-all-limited 
> <https://www.w3.org/TR/xmlschema-1/#cos-all-limited><https://www.w3.org/TR/xmlschema-1/#cos-all-limited>
> 
> Shouldn't we remove the maxOccurs for the error element ?


Alternatively, if we want it unbounded, move the error element outside 
<report_metadata>.  For example as an optional, self standing element of 
feedback, between <report_metadata> and <policy_published>.


Best
Ale
--