Nico de Boer writes:
> ... if/else idiom in ZPT ...
When you want:
if cond then XXXX else YYYY
you can use in ZPT:
<tal:div tal:condition="cond">XXXX</tal:div>
<tal:div tal:condition="not:cond">YYYY</tal:div>
To check for existence, you can use "exists: path".
Dieter