[Zope] Existence and truth

[Mark Barratt]

Mark Barratt wrote:
> Paul Winkler wrote:
>>
>> This kind of thing is usually a mistaken type assumption.
>> I bet your radiobutton is setting it to "0" rather than 0.
>>
> 
> Thanks. Yes it was. But neither value=0 (which I think is invalid 
> XHTML), nor value="" makes any difference.

OK, solved. value="" actually works - some kind of cacheing issue seems 
to have misled me when first testing it.

Again, thanks.

Mark