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https://issues.apache.org/jira/browse/XERCESJ-1680?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16084871#comment-16084871
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Paul commented on XERCESJ-1680:
-------------------------------
Hi Sandy, long time no see :-)
For context, the schema in the report is a stripped down version of a schema
I'm writing for an RSS profile. According to the [extension rules for
RSS|http://www.rssboard.org/rss-specification#extendingRss], any element with
complexContent defined in RSS can have arbitrary child elements as long as
those children are in a namespace *and* element order is not significant.
Hence, the {{base_open_content}} complexType and extending it with an
{{xs:all}}. The empty {{xs:all}} in {{base_open_content}} is there to allow
for the extension (I can't remember which component constraint requires it, but
there is one).
> incorrect flagging of violation of cos-all-limited
> --------------------------------------------------
>
> Key: XERCESJ-1680
> URL: https://issues.apache.org/jira/browse/XERCESJ-1680
> Project: Xerces2-J
> Issue Type: Bug
> Components: XML Schema 1.1 Structures
> Affects Versions: 2.11.0
> Environment: Windows 10 Pro
> Reporter: Paul
>
> In the following schema document:
> {noformat}
> <?xml version="1.0" encoding="UTF-8"?>
> <xs:schema
> xmlns:xs="http://www.w3.org/2001/XMLSchema";
> elementFormDefault="unqualified">
> <xs:complexType name="base_open_content">
> <xs:openContent>
> <xs:any notNamespace='##local' processContents='lax'/>
> </xs:openContent>
> <xs:all/>
> </xs:complexType>
>
> <xs:element name="root">
> <xs:complexType>
> <xs:complexContent>
> <xs:extension base="base_open_content">
> <xs:all>
> <xs:element name='child' type='xs:string'/>
> </xs:all>
> </xs:extension>
> </xs:complexContent>
> </xs:complexType>
> </xs:element>
> </xs:schema>
> {noformat}
> Xerces incorrectly reports the all group in the extension of
> 'base_open_content' violates
> [cos-all-limited|https://www.w3.org/TR/xmlschema11-1/#sec-cos-all-limited].
> SaxonEE 9.7.0.15 correctly accepts this schema document.
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