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Re: xforms-binding-exception

From: Erik Bruchez <ebruchez@orbeon.com>
Date: Wed, 16 Jun 2010 23:49:24 -0700
Message-ID: <AANLkTilrq0n9-cZX0DyA1NY5Sx5lu3QsNFH1RnWSS3B7@mail.gmail.com>
To: www-forms@w3.org

Back in 2007, I commented that this was indeed not clear:


This issue has not been really addressed by the group yet I think.


On Wed, Jun 16, 2010 at 3:20 PM, Aaron Reed <aaronr@us.ibm.com> wrote:
> Hi,
> The spec says that an xforms-binding-exception will be thrown for "an
> illegal binding expression".  Could someone please define this for me,
> please?  I assume this covers the rules defined for xforms-compute-exception
> (i.e. syntax error in the expression, undefined namespace used, etc).
>  Anything else?  If the author writes a binding expression in such a way
> that a non-node type is returned (i.e. uses ref="position()"), this does not
> qualify as an illegal binding expression, does it?  In such a case doesn't
> the processor just ignore the element and its children and move on?
> Sorry if this is a simple question.  Been away from xforms for a while and
> couldn't find anything on the web that says what happens when a binding
> expression returns a type other than a node-set.
> Thanks,
> --Aaron
Received on Thursday, 17 June 2010 06:50:16 UTC

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