feature.xml

<?xml version="1.0" encoding="UTF-8"?>
<feature
      id="org.eclipse.xtext.docs"
      label="%featureName"
      version="2.34.0.qualifier"
      provider-name="%providerName"
      license-feature="org.eclipse.license"
      license-feature-version="0.0.0">

   <description>
      Xtext documentation
   </description>

   <copyright>
      Copyright (c) 2009, 2018 itemis AG (http://www.itemis.eu) and others.

This program and the accompanying materials 
are made available under the terms of the Eclipse Public License 2.0 
which is available at http://www.eclipse.org/legal/epl-2.0.

SPDX-License-Identifier: EPL-2.0
   </copyright>
   <license url="http://www.eclipse.org/legal/epl-2.0">
      %license
   </license>
   <plugin
         id="org.eclipse.xtext.doc"
         download-size="0"
         install-size="0"
         version="0.0.0"/>

</feature>