[DFDL-WG] rationale for only allowing pattern facet on xs:string type

[Suman Kalia]

I don't think there was a technical reason. As I recall ,  the group felt 
it was not required and specification was restricted.. 

Suman Kalia
IBM Canada Lab
WMB Toolkit Architect and Development Lead
Tel: 905-413-3923 T/L 313-3923
Email: kalia at ca.ibm.com

For info on Message broker
http://www.ibm.com/developerworks/websphere/zones/businessintegration/wmb.html





From:   Mike Beckerle <mbeckerle.dfdl at gmail.com>
To:     dfdl-wg at ogf.org, 
Date:   05/15/2013 01:51 PM
Subject:        [DFDL-WG] rationale for only allowing pattern facet on 
xs:string       type
Sent by:        dfdl-wg-bounces at ogf.org




The pattern facet is allowed on all types in XML Schema. 

DFDL says the XSDL pattern facet is for xs:string type elements only.

What is the rationale for this restriction?

We are encountering many constraints in format specs that are using XML 
Schema regular expressions, where those regex are applied to numeric types 
(e.g., xs:decimal for lattitude and longitude). 


-- 
Mike Beckerle | OGF DFDL Workgroup Co-Chair | Tresys Technology | 
www.tresys.com
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