Michael Kay schrieb:

> I would have given the rules explicit priorities of 1, 2, and 3
> respectively to make this more readable.

I agree this can help to make it more readable. But it depends on the
reader. I rarely assign priorities, because when adding more rules, I
then have to remember my hand-crafted priority matrix, which may be
different each time around, whereas the default priorities are stable.

> Michael has also taken a short-cut in that Rule 1 is a very commonly
> used "default rule" called the identity template, so he has re-used
> it; but in your case it's never used for element nodes, so it could be
> replaced by the simpler rule
>
>   <xsl:template match="@*">
>     <xsl:copy/>
>   </xsl:template>

That's true. But I like to see an identity template around, as a backup
and safety net, so to say, against changes I may make. I think the
identity template would have been a useful default rule.

http://markmail.org/message/xmqxvbxdzewbeyhu
http://markmail.org/message/o4ceperr4svpffr5

> (I'm not sure why rule 3 is processing the attributes of an element
> and rule 2 isn't, but I didn't study your original problem.)

In rule 2, I only want to keep the recursion alive, deilberately losing
all attributes and non-element children, so I don't <apply-templates> to
them.

Michael Ludwig

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