I'd like to generate a tree with data from different
SQL tables depending on the tree level. In other
words, the first level data  comes from one table,
second level comes from another.

How can the branches_expr expression determine what
the current tree  level is? Can I pass a parameter to
let me know the current level? I tried the following,
but it didn't work...

  <dtml-tree id=name
branches_expr="child_lookup(_['tree-level'])">

Thanks,

    Lance

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