Can't retrieve attributes from ldap

[Peter Schober]

* Brent Putman <putmanb at georgetown.edu> [2013-01-12 01:27]:
> It's missing the curly braces, it should be: ${requestContext.principal}

Hm, from the default attribute-resolver.xml as distributed:

$ fgrep '=$requestContext' attribute-resolver.xml
                (uid=$requestContext.principalName)

I don't have curly braces in my IdP either?
-peter