Initial data commit

Task/XML-XPath/XQuery/xml-xpath-1.xquery

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+(:
+  1. Retrieve the first "item" element
+  Notice the braces around //item. This evaluates first all item elements and then retrieving the first one.
+  Whithout the braces you get the first item for every section.
+:)
+let $firstItem := (//item)[1]
+
+(: 2. Perform an action on each "price" element (print it out) :)
+let $price := //price/data(.)
+
+(: 3. Get an array of all the "name" elements  :)
+let $names := //name
+
+return
+  <result>
+    <firstItem>{$firstItem}</firstItem>
+    <prices>{$price}</prices>
+    <names>{$names}</names>
+  </result>

Task/XML-XPath/XQuery/xml-xpath-2.xquery

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+<?xml version="1.0" encoding="UTF-8"?>
+<result>
+   <firstItem>
+      <item upc="123456789" stock="12">
+         <name>Invisibility Cream</name>
+         <price>14.50</price>
+         <description>Makes you invisible</description>
+      </item>
+   </firstItem>
+   <prices>14.50 23.99 4.95 3.56</prices>
+   <names>
+      <name>Invisibility Cream</name>
+      <name>Levitation Salve</name>
+      <name>Blork and Freen Instameal</name>
+      <name>Grob winglets</name>
+   </names>
+</result>