Werner Fabian writes: > ... > Do You know the NFGnav-Tool, mentioned in the book "Zope ..." by Brockman > n et > al. (SAMS)? Might this be an alternative to the tree-tag or does it conta > in > the same bug? I do not know "NFGnav-Tool". I do not think the missing "urlparam_expr" is a bug in "dtml-tree" but a (sadly) missing feature. Dieter