- From: Henry S. Thompson <ht@cogsci.ed.ac.uk>
- Date: 25 Mar 2003 08:38:06 +0000
- To: "Alessandro Triglia" <sandro@mclink.it>
- Cc: <xmlschema-dev@w3.org>
"Alessandro Triglia" <sandro@mclink.it> writes: > Hi > > I have a question about the use of non-schema attributes in schema > documents. > > Since all schema element declarations contain an attribute wildcard with > a namespace constraint of ##other, I understand that: > > - any attributes are allowed on these elements, besides the attributes > declared in the Schema for Schemas, provided that they don't belong to > the XML Schema namespace. In particular, *unqualified* attributes are > allowed. > > Is this correct? No. ##other means "qualified with a namespace other than the target namespace." > If yes, I understand that the following schema document is valid: > > -------------------------------------------------------------- > <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" > xmlns:xhtml="http://www.w3.org/1999/xhtml" > xmlns="http://www.example.com" > targetNamespace="http://www.example.com"> > <xs:element name="elem1" age="42" type="Address"/> > <xs:element name="elem2" type="xhtml:blockquote"/> > <xs:attribute name="attr1" > type="xsl:quantity" > targetNamespace="http://www.example.com"/> > </xs:schema> > -------------------------------------------------------------- > Notice the attributes "age" on the first "element" element and > "targetNamespace" on the "attribute" element. Both of these > attributes are obviously meaningless, but are they actually forbidden? Yes, they're forbidden. ht -- Henry S. Thompson, HCRC Language Technology Group, University of Edinburgh Half-time member of W3C Team 2 Buccleuch Place, Edinburgh EH8 9LW, SCOTLAND -- (44) 131 650-4440 Fax: (44) 131 650-4587, e-mail: ht@cogsci.ed.ac.uk URL: http://www.ltg.ed.ac.uk/~ht/ [mail really from me _always_ has this .sig -- mail without it is forged spam]
Received on Tuesday, 25 March 2003 03:38:09 UTC