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Re: [xsl] XTTE1100: A sequence of more than one item is not allowed as the @group-adjacent attribute

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On Mon, May 13, 2013 at 1:55 AM, G. Ken Holman
<gkholman@xxxxxxxxxxxxxxxxxxxx> wrote:
> At 2013-05-13 01:50 +0100, Ihe Onwuka wrote:
>>
>> I am getting the above error on the following line of code
>>
>> <xsl:for-each-group select="*" group-adjacent="data(
>> descendant::*/local-name())">
>>
>> I originally tried it without wrapping it in the data function and
>> have also tried casting it to string (where I get a different but
>> similar answer).
>>
>> I'm sure there is a simple answer out there.
>
>
> Yes, both the data() function the group-adjacent= attribute are each
> expecting a singleton evaluation and you are supplying a sequence expression
> that returns more than a singleton value.
>
> The expression is evaluated from the context of the member of the population
> being grouped.  The expression descendant::*/local-name() returns a sequence
> of strings being the local name of all of the descendant elements of each
> element of the population.  The error message is quite explicit in what is
> wrong.
>
> What is it you are trying to do

I am trying to group the children of each element by the  local name
of all of the descendant elements of each child.

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