maven/maven-plugins/maven-jar-plugin/project.xml

<?xml version="1.0" encoding="ISO-8859-1"?>

<project>
  <parent>
    <groupId>maven</groupId>
    <artifactId>maven-plugin-parent</artifactId>
    <version>2.0-SNAPSHOT</version>
  </parent>
  <groupId>maven</groupId>
  <artifactId>maven-jar-plugin</artifactId>
  <name>Maven Jar Plugin</name>
  <version>1.0-SNAPSHOT</version>
  <package>org.apache.maven</package>
</project>