[Zope] standard error messages

[Ethan Fremen]

"panda@209.207.216.149" wrote:
> But can you customise it for different error codes ?
> 
> This is particularly handy when relying on server/browser authentication.
> It's nice to send users who get authentication errors to the
> signup/registration
> forms 

I thought this would work, but it doesn't.

<dtml-if expr="error_type == 'Unauthorized'">
	<h1>please sign up!</h1>
	<dtml-var signup_page>
</dtml-if>

Help?
-- 
~mindlace