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Bug 2030 - R-052: Missing constraint for indirect circular attribute group?
Summary: R-052: Missing constraint for indirect circular attribute group?
Status: CLOSED FIXED
Alias: None
Product: XML Schema
Classification: Unclassified
Component: Structures: XSD Part 1 (show other bugs)
Version: 1.0 only
Hardware: All All
: P2 normal
Target Milestone: ---
Assignee: Henry S. Thompson
QA Contact: XML Schema comments list
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2005-09-07 20:53 UTC by Sandy Gao
Modified: 2009-04-21 19:24 UTC (History)
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Description Sandy Gao 2005-09-07 20:53:27 UTC 
Constraint 3 of "Schema Representation Constraint: Attribute Group Definition 
Representation OK" prohibits direct circular attribute group references, but 
doesn't appear to prohibit indirect circular references.

See Issue 1 from the following mail:
http://lists.w3.org/Archives/Public/www-xml-schema-comments/2001JulSep/0121.html
Comment 1 Sandy Gao 2005-09-07 20:53:49 UTC 
Tentative resolution:
http://www.w3.org/XML/Group/2001/10/xml-schema-ftf-minutes#ab1b3b3b3b1b5 

Resolution:
The WG resolved that the constraint (at the component level) needs to be added. 
Erratum pending.

Proposed text:
http://lists.w3.org/Archives/Member/w3c-xml-schema-ig/2002Oct/0184.html
reviewed and approved at Oct. 11 telecon. 

Erratum E1-20 added