<?xml version="1.0" encoding="UTF-8"?>
<package xmlns="http://www.idpf.org/2007/opf" version="3.0" unique-identifer="uid">
  <metadata xmlns:dc="http://purl.org/dc/elements/1.1/">
    <dc:identifier id="uid"></dc:identifier>
    <dc:title>{{title}}</dc:title>
  </metadata>
  <manifest></manifest>
  <spine></spine>
</package>

<?xml version="1.0" encoding="UTF-8"?>
<package xmlns="http://www.idpf.org/2007/opf" version="3.0" unique-identifier="uid">
  <metadata xmlns:dc="http://purl.org/dc/elements/1.1/">
    <dc:identifier id="uid"></dc:identifier>
    <dc:title>{{title}}</dc:title>
  </metadata>
  <manifest></manifest>
  <spine></spine>
</package>

Fix typo in new book template.
Fix typo in new book template.

Unfortunately it means a great many books have their unique identifier stored
as an identifer.
