"Steve Renshaw" <renshaw_steve@xxxxxxxxxxx> wrote:

> Second question: What happens if I encounter markup that looks like
> this:
>    <item>
>     <data id="1">01</data>
>     <data id="10">1</data>
>    </item>
> in which case the usage of concat($id,$value) aliases into "101"

The usual trick is concat($id,':',$value) and a similar phrase in your
key, with a character for ':' which can't appear in either value or
is at least selected to avoid aliasing (sometimes, it is called the
guard character). You can of course substitute a longer string for ':'
to make aliasing more unlikely. Apart from this, XSLT is indeed
lacking a really robust mechanism for building keys from compositions.

HTH
J.Pietschmann

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