414f1c27e4
in with readProperties() would not look the same, because element indices of '0' were even dropped when a node has a "secret" value *and* children - introduce "omit-node" modifier attribute for the "include" attribute. This inserts the given file in place of the including node, while the node is dropped. This is desirable for multiple includes (which can't be done by multiply using the "include" attribute, as this isn't valid XML spec syntax)
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