[Zope] The XML-dtml notation "&dtml-variable;"

[Johan Carlsson]

Hi,
I just learned about the XML-dtml notation for
inserting values inside XML-strings.

I find this useful, and use it both in HTML and XML.

But, isn't there a way to supply a default value
(if the variable lookup fails)?

Something like &dtml-variable default-value;

Thanks in advance,
//johan