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XML Representation summary for <group>

From: Jeff Rafter <jeffrafter@definedweb.com>
Date: Sun, 24 Jun 2001 20:26:53 -0700
Message-ID: <001201c0fd26$ae361b60$f181fea9@lazarus>
To: <xmlschema-dev@w3.org>
Cc: "Henry S. Thompson" <ht@cogsci.ed.ac.uk>, <www-xml-schema-comments@w3.org>
I recently had the chance to look more closely at the defintion for the
<group> element within XML Schemas and feel the the definition is lacking or
misrepresentative. The XML Representation summary [1] leaves off the
possibilities for the attributes "ref", "minOccurs" and "maxOccurs".  These
attributes are not available in global group definitions but are permitted
when the group element is being used as a particle.  This leads to a bit of
confusion in the second section of the summary (describing the usage of
group as a particle).  The spec states "Also note that in the first (named)
case above no reference is made to minOccurs or maxOccurs: this is because
the schema for schemas does not allow them on the child of <group> when it
is named.".  Either way it seems that it would be better for the XML
Representation Summary to reflect both possibilities and the rules should be
layed out within the representation description.  This follows the rest of
the schema components such as the <element> representation where both the
"name" and the "ref" attributes are listed.

[1] http://www.w3.org/TR/xmlschema-1/#element-group

Jeff Rafter
Defined Systems
XML Development and Developer Web Hosting
Received on Sunday, 24 June 2001 23:27:11 UTC

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