Postgresql 8.4, XPath and name() function

Hi List,

I have trouble using XPath name() function in a XML field.
For example, when I execute the following query :

SELECT XPATH('name(/*)', XMLPARSE(DOCUMENT '<unit>value</unit>'))

I would like to get "unit", but I just get an empty array ({}).
How can I get "unit" ?

Thanks in advance,

Cedric
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