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From: Alvaro Herrera on 5 Aug 2010 22:29
Excerpts from Mike Fowler's message of mar jun 29 06:37:28 -0400 2010:

> After seeing some other posts in the last couple of days, I realised I
> hadn't documented the function in the SGML. I have now done so, and
> added a couple of tests with XML literals. Please find the patch
> attached. Now time to go correct the xmlexists patch too...

Hmm, is 0 a valid node number in a xmlNodeSet? If it is, searching for
the zeroth node would make the code call PG_RETURN_BOOL(0), no?

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Álvaro Herrera <alvherre(a)commandprompt.com>
The PostgreSQL Company - Command Prompt, Inc.
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