1 files changed, 6 insertions, 0 deletions
diff --git a/chapter06/m4.xml b/chapter06/m4.xml
index 4a66b0c1e..971f9c539 100644
--- a/chapter06/m4.xml
+++ b/chapter06/m4.xml
@@ -8,6 +8,12 @@
 <sect1 id="ch-system-m4" role="wrap">
   <?dbhtml filename="m4.html"?>
 
+  <sect1info condition="script">
+    <productname>m4</productname>
+    <productnumber>&m4-version;</productnumber>
+    <address>&m4-url;</address>
+  </sect1info>
+
   <title>M4-&m4-version;</title>
 
   <indexterm zone="ch-system-m4">