[dsdl-discuss] Schematron question: 5.4.6

I do not understand "5.4.6 name element".

First, I am not sure if I understand the following sentence.

        The optional path attribute is an expression evaluated in the
        current context that returns a string that is the name of a node.

Does this expression returns a string? If a malicious author creates
a Schematron schema, the value of the expression is not a node name,
and few implementations care. In other words, "a string that is the
name of a node" sounds like a hopeful assumption to me.

And what is meant by "the latter case" in the following sentence, which
follows the above sentence?

        In the latter case, the name of the node is used.

Cheers,

-- 
MURATA Makoto <murata@hokkaido.email.ne.jp>
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