Using value maps for RBAC

[Peter Schober]

* Losen, Stephen C (scl) <scl at virginia.edu> [2018-11-07 14:11]:
> Although the wiki does not specifically say this works, I am using
> multiple <InputAttributeDefinition ref="xxx"> elements in a single
> Mapped AttributeDefinition with the "expected" result.

AttributeDefinition common child elements:
https://wiki.shibboleth.net/confluence/display/IDP30/AttributeDefinitionConfiguration#AttributeDefinitionConfiguration-CommonChildElementsCommonChildElements

* <InputAttributeDefinition> 3.4 0 or more
* <InputDataConnector> 3.4 0 or more

So yes, it's documemented, too.
-peter