[Zope] dynamically generate dtml-tree urlparam attribute?

[jason]

>>> i was wondering if anyone has either hacked the dtml-tree code or
>>> written a python script to create a <dtml-tree> tag with a
>> dynamically generated urlparam attribute?

>  *  someone posted a patch providing an "urlparam_expr" argument for
>     "dtml-tree"
>  Dieter

That someone is Jonothan Farr... and the patch is now posted on his
zope.org member page (http://zope.org/Members/jfarr/Patches/dtml-tree).

Many thanks to Jonothan and Dieter!
-jason yee