import module namespace parse-xml = "http://www.zorba-xquery.com/modules/xml";
import schema namespace opt = "http://www.zorba-xquery.com/modules/xml-options";
import module namespace fetch = "http://www.zorba-xquery.com/modules/fetch";

variable $xmlcontents := fetch:content("wiki.xml" );

(: Note: using this instead of pars-xml:parse works...
let $contents := fn:parse-xml($xmlcontents)
:)

let $contents := parse-xml:parse(
      $xmlcontents,
      <opt:options>
        <opt:parse-external-parsed-entity opt:skip-root-nodes="1" />
      </opt:options>)

for $article at $pos in $contents
let $title := trace($article//title, "title")
return
    $title