Index: blfsbook/x/installing/x7proto.xml
===================================================================
--- blfsbook.orig/x/installing/x7proto.xml	2012-01-10 14:25:34.000000000 +0100
+++ blfsbook/x/installing/x7proto.xml	2012-02-24 18:07:31.170602418 +0100
@@ -77,7 +77,7 @@
     <para role="required"> <xref linkend="util-macros"/></para>
 
     <bridgehead renderas="sect4">Optional</bridgehead>
-    <para role="required"> <xref linkend="fop"/> and <xref linkend="xmlto"/>
+    <para role="optional"> <xref linkend="fop"/> and <xref linkend="xmlto"/>
     (to build additional documentation)</para>
 
     <note><para>There is a reciprocal dependency with <xref linkend="fop"/>. If
