[Zope] What's the tal expression to test for whether someone is logged in?

[Tino Wildenhain]

Ken Winter schrieb:
> Andrew ~
> 
> Yes!! It worked.
> 
> One more question: Where (if anywhere) could I have looked up this answer
> (and probably many more), so I wouldn't have to bother this list with
> questions like this?

Its in the general Zope API and in the ZPT documenation regarding the
name spaces you use. Both are in the Zope-Book which is online:

http://www.plope.com/Books/2_7Edition

Also an older version directly at zope.org.

Regards
Tino