[Zope] - Can't make the DTML example work ;-(

[Pavlos Christoforou]

On Sat, 19 Dec 1998, Jim Washington wrote:

> <!--#call "manage_changeProperties(counter=counter+1)"-->
> will increment the counter property. 
> 
> -- Jim Washington
> 
> >Luc> <!--#call expr="counter=counter+1"-->
> >    Luc> Counter: <!--#var counter-->

When I tried it long ago I did:
<!--#call expr="_['counter']=_['counter']+1"-->
 I believe it worked but I can't remember for sure

Pavlos