[Zope] what permissions are required for [un]restrictedTraverse?

[Jason Byron]

what permissions are required for
[un]restrictedTraverse?

I recently added the call to 'restrictedTraverse()'
in a method and I can't get permission to use
it except when I'm logged in as superuser.  I need 
to be able to let other users use this method.  How 
do I do that?

Thanks, 
Jason

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