[Zope] Re: <dtml-in> problem with defined or not defined variable as parameter

[Josef Meile]

> I've seen the other replies, but I think your original example should 
> work too (I haven't used dtml in a long time, so I'm not sure). The 
> problem here is that each "<dtml-in>" has to have an own closing tag:
> 
> <dtml-if id_historie>
>   <dtml-in expr="dbSelect(id_historie=_.str(id_historie))">
>     Do something
>   </dtml-in>
> <dtml-else>
>   <dtml-in expr="dbSelect(id_historie=_.str(0))">
>     Do another thing
>   </dtml-in>
> <dtml-if>
Ops, I realized that this peace of code is ineficient and the <dtml-let> 
suggestion is better. Anyway, keep on mind that for each <dtml-in> you 
have to have a </dtml-in>