Re: [xsl] Sorting a sequence and selecting the first element after sort

["Jorge . chocolate.camera@xxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx>]

I now see that, on top of that, I am adding duplicate copies of nodes
that match both conditions to the sequence (-_-;). I would also
appreciate a hint on how to make that selection without dupes.

On Fri, May 8, 2015 at 1:44 PM, Jorge . chocolate.camera@xxxxxxxxx
<xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote:
> I'd like to select the first child of the current node that either:
>
> 1.    is a "foo" element
> 2.    has "foo" or "bar" descendant(s)
>
> The following sequence returns me all nodes matching either or both of
> those conditions:
>
>     <xsl:sequence select="foo, *[descendant::foo, descendant::bar]"/>
>
> but not necessarily ordered according to their position as children of
> the current node. As a result, the first element in that sequence,
> selected like this:
>
>     <xsl:sequence select="(foo, *[descendant::foo, descendant::bar])[1]"/>
>
> is not necessarily the first matching child of the current node.
>
> How do I sort elements in that sequence according to their position as
> children of the current context, so that the first element in that
> sequence is actually the first matching child in the current node?