What do people do about warnings?

[John Snelson]

James A. Robinson wrote:
>   let $w := (trace($node, $message))
>   return if ($w) then () else ()
> 
> Causes a fatal error when $node is a sequence of items (in this
> case a pair of URIs as in ($uri1, $uri2) in which both were of
> type xs:anyURI.  I'm still trying to figure this last thing out,
> it feels like a bug to me but I'm not sure yet.

I agree. What XQuery implementation are you using?

John