[DFDL-WG] Unparsing hexBinary data

[Steve Hanson]

When unparsing xs:string data of specified length, then if the data is 
short then it is padded to the specified or minimum length (depends on 
dfdl:lengthKind). Whether to do this padding or not is controlled by the 
dfdl:textPadKind property,

However we don't offer the same flexibility for xs:hexBinary.  There's no 
controlling property, so we always output exactly what was in the infoset, 
and if specified length and the data is short it is a processing error. In 
the absence of a property to control whether to pad, would we better off 
always padding (using dfdl:fillByte) to specified or minimum length? 

Regards

Steve Hanson
Architect, Data Format Description Language (DFDL)
Co-Chair, OGF DFDL Working Group
IBM SWG, Hursley, UK
smh at uk.ibm.com
tel:+44-1962-815848
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