--- a/cellular-automaton.rst	Sat Feb 20 23:13:00 2016 +0200
+++ b/cellular-automaton.rst	Sat Feb 20 23:42:04 2016 +0200
@@ -1,7 +1,10 @@
+.. -*- coding: utf-8 -*-
+.. include:: HEADER.rst
 
 ================
  Cell automata.
 ================
+.. contents::
 
 Simulator.
 ==========