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(: insert-start :)
declare variable $input-context1 external;
declare variable $input-context2 external;
(: insert-end :)
declare function local:partners($company as xs:string) as element()*
{
let $c := $input-context2//company[name = $company]
return $c//partner
};
let $foobar_partners := local:partners("Foobar Corporation")
for $item in $input-context1//news_item
where
some $t in $item//title satisfies
(contains(exactly-one($t/text()), "Foobar Corporation")
and (some $partner in $foobar_partners satisfies
contains(exactly-one($t/text()), $partner/text())))
or (some $par in $item//par satisfies
(contains(string($par), "Foobar Corporation")
and (some $partner in $foobar_partners satisfies
contains(string($par), $partner/text()))))
return
<news_item>
{ $item/title }
{ $item/date }
</news_item>
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