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Posted to j-dev@xerces.apache.org by "Mukul Gandhi (JIRA)" <xe...@xml.apache.org> on 2016/07/22 08:56:20 UTC
[jira] [Updated] (XERCESJ-1508) implementation of XSD 1.1 type
tables equivalence, for element declaration consistent constraint
[ https://issues.apache.org/jira/browse/XERCESJ-1508?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Mukul Gandhi updated XERCESJ-1508:
----------------------------------
Fix Version/s: 2.12.0
> implementation of XSD 1.1 type tables equivalence, for element declaration consistent constraint
> ------------------------------------------------------------------------------------------------
>
> Key: XERCESJ-1508
> URL: https://issues.apache.org/jira/browse/XERCESJ-1508
> Project: Xerces2-J
> Issue Type: Improvement
> Components: XML Schema 1.1 Structures
> Affects Versions: 2.11.0
> Reporter: Mukul Gandhi
> Assignee: Mukul Gandhi
> Fix For: 2.12.0
>
>
> I'm creating this JIRA issue for tracking purpose.
> XML Schema 1.1 enhances the constraint, "Schema Component Constraint: Element Declarations Consistent" with following additional clause (the clause numbered 4 below):
> (quoted from the XML Schema 1.1 language specification)
> If the {particles} property contains, either directly, indirectly (that is, within the {particles} property of a contained model group, recursively), or - implicitly- , two or more element declarations with the same expanded name,
> 1 ...
> 2 ...
> 3 ...
> 4 All their {type table}s are either all - absent- or else all are present and - equivalent- .
> The equivalence of type tables is defined as follows:
> [Definition:] A Type Table T1 is equivalent to a Type Table T2 if and only if all of the following are true:
> 1 T1.{alternatives} has the same length as T2.{alternatives} and their corresponding entries are - equivalent- .
> 2 T1.{default type definition} and T2.{default type definition} are - equivalent- .
> We implemented this constraint, post Xerces 2.11.0 release.
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