Document -F in the flag reference

diff --git a/docs/users_guide/flags.xml b/docs/users_guide/flags.xml
index 6b348fe..b5c737a 100644 (file)
--- a/docs/users_guide/flags.xml
+++ b/docs/users_guide/flags.xml
@@ -1100,6 +1100,36 @@
     </sect2>
 
     <sect2>
+      <title>Haskell pre-processor options</title>
+
+      <para><xref linkend="pre-processor"/></para>
+
+      <informaltable>
+       <tgroup cols="4" align="left" colsep="1" rowsep="1">
+         <thead>
+           <row>
+             <entry>Flag</entry>
+             <entry>Description</entry>
+             <entry>Static/Dynamic</entry>
+             <entry>Reverse</entry>
+           </row>
+         </thead>
+         <tbody>
+           <row>
+             <entry><option>-F</option></entry>
+             <entry>
+                  Enable the use of a pre-processor
+                  (set with <option>-pgmF</option>)
+              </entry>
+             <entry>dynamic</entry>
+             <entry>-</entry>
+           </row>
+         </tbody>
+       </tgroup>
+      </informaltable>
+    </sect2>
+
+    <sect2>
       <title>C pre-processor options</title>
 
       <para><xref linkend="c-pre-processor"/></para>