[ZPT] zope3-dev proposal on changing implicitly calling

[Chris Withers]

Steve Alexander wrote:
> It will not be fine, because in Zope 3 we want to control these things 
> through policy, not through whether nocall: is present in a TALES 
> expression or not.

Hmm... what makes control through policy (potentially located a long way from 
the code) preferable over explicit control in the actual code?

cheers,

Chris