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Re: XML::Simple giving a non-specific error

by FloydATC (Deacon)
on Mar 12, 2010 at 13:34 UTC ( #828289=note: print w/replies, xml ) Need Help??

in reply to XML::Simple giving a non-specific error

I'd say that the reason why the parser does not complain about line 8 is that it has no valid reason to say an ERROR element cannot contain another ERROR element.

In order for the parser to know this you would have to use a DTD to describe the valid document tree.

Consider this syntactically valid set of tags:

Now, if you remove the last line, the XML becomes invalid. It would be tempting to fix the problem in line 4 but this would give a completely different document structure.

-- Time flies when you don't know what you're doing

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