Richard Blumberg writes:

.... Navigation works when called directly, does not work when included in "index_html" .... .... Navigation: <dtml-in objectValues> ....

Is this a bug in Zope, or am I doing something wrong? Not directly.

Almost surely, your "index_html" is a DTML document. A DTML document defines the method "objectValues" and it returns the empty list. One *might* think of this as a bug or a feature. (I tend to think of it as a bug). In a DTML document (unlike a DTML method), the object is pushed on top of the namespace stack. Therefore, the "objectValues" in your navigation object is the "objectValues" of the "index_html" and it returns "[]". If you would make your "index_html" a DTML method, then "objectValues" would be the method of the object for which the method is called for. This means your folder. And it would work. Dieter