Errors of using uix template?

Question

I just copied the example from the Help Documentation "UIX Includes and templating" for a test. But I always get two error message:
I wonder what has caused these two errors?
<?xml version="1.0" encoding="UTF-8"?>
<templateDefinition xmlns="http://xmlns.oracle.com/uix/ui"
          xmlns:ui="http://xmlns.oracle.com/uix/ui"
          xmlns:data="http://xmlns.oracle.com/uix/ui"
          targetNamespace="http://www.example.org/demo/templates"
          localName="demoPageLayout">
<!-- define the template's type information -->
<type base="ui:pageLayout">
   <namedChild name="topHead"/>
   <attribute name="selectedTab" javaType="int"/>
</type>
<!-- define the content of the page -->
<content>
   <pageLayout>
     <!-- magic incantation to be explained below -->
     <attributeMap><rootAttributeMap/></attributeMap>
     <!-- another magic incantation -->
     <childMap><rootChildMap/></childMap>
     <!-- set up a default set of tabs -->
     <tabs>
       <tabBar data:selectedIndex="selectedTab@ui:rootAttr">
         <contents>
           <link text="Tab 1"/>
           <link text="Tab 2"/>
           <link text="Tab 3"/>
           <link text="Tab 4"/>
           <link text="Tab 5"/>
         </contents>
       </tabBar>
     </tabs>
     <!-- set up a default set of global buttons -->
     <globalButtons>
       <globalButtonBar><!-- ... --></globalButtonBar>
     </globalButtons>
     <!-- now, the content of the pageLayout -->
     <contents>
       <!-- Start with the "topHead" child at the top -->
       <rootChild name="topHead"/>
       <!-- Then add the indexed children -->
       <rootChild name="contents"/>
     </contents>
   </pageLayout>
</content>
</templateDefinition>
<page xmlns="http://xmlns.oracle.com/uix/controller"
           xmlns:demoTmps="http://www.example.org/demo/templates">
    <templates xmlns="http://xmlns.oracle.com/uix/ui">
      <templateImport source="demo_PageLayout.uit"/>
    </templates>
    <content>
      <demoTmps:demoPageLayout xmlns="http://xmlns.oracle.com/uix/ui"
                                   selectedTab="3">
        <start>
          <sideNav></sideNav>
        </start>
        <demoTmps:topHead>
          <header text="A first header">
          </header>
        </demoTmps:topHead>
        <contents>
          <header text="A second header">
          </header>
        </contents>
      </demoTmps:demoPageLayout>
    </content>
</page>
===>
1. Error(9,52): <Line 9, Column 52>: XSD-2034: (Error) Element 'demoPageLayout' not expected.
2. Error(26,15): <Line 26, Column 15>: XSD-2021: (Error) Element not completed: 'content'.Best Regards
Yong

Answer 1

please do not cross post on the UIX and JDeveloper
forums. I will reply as soon as I can on the UIX
forum:
Error of using UIX Template?