[Zope] Problem Getting dtml-with to work

[Mark, Jonathan (Integic)]

Folder A contains Folder B contains Folder C.

If I write in a dtml page in Folder A:

<dtml-with FolderB>
    <dtml-var FolderC>
</dtml-with FolderB>

then I get an error which states that FolderC does not exist.

Why doesn't the above work? I can display Folder C if I click on it in
the ZMI or go to it directly via a URL. 

Folder C is a Plone news smartfolder, if that makes any difference. Is
this some behind-the-scenes Plone magic messing me up, or am I
misunderstanding what dtml-with is supposed to do?