Re: [xacml] A draft proposal for a new work item: condition reference

on the other hand, that seems to be inconsistent with how we handle ID 
attributes for policysets and policies (reusable under v1.0). 
personally, i would like to see referential data like this be required.

b

Michiharu Kudoh wrote:
> I have forgotten to respond the question from Bill. Your question is "why
> is Id attribute in the ApplyType optional?".
> My answer is "for backward compatibility". If it is mandatory, every
> condition expression (no Id attribute) generated for XACML 1.0 results in
> invalid against 1.1 schema.