[Zope] side-effect of dtml-if

[Dieter Maurer]

Oliver Bleutgen writes:
 > I just ran into something which might be a
 > surprising side effect of dtml-if - well, for 
 > me at least. Tried it on two different zope 2.3.3
 > installs.
 > 
 > Here's the problem
 > 
 > dtml-method foo should be changed, but it might
 > not exist, so we test it
 > 
 > <dtml-if foo>
 >   <dtml-call "foo.manage_edit('bar','')">
 > </dtml-if>
 > 
 > Surprisingly this gives the following error
 > Error Type: AttributeError
 > Error Value: 'string' object has no attribute 'manage_edit'
You find an explanation in 

  <http://www.dieter.handshake.de/pyprojects/zope/book/chap3.html>

-> DTML -> If.


Dieter