Index: doc/src/sgml/xfunc.sgml
===================================================================
RCS file: /projects/cvsroot/pgsql/doc/src/sgml/xfunc.sgml,v
retrieving revision 1.95
diff -c -r1.95 xfunc.sgml
*** doc/src/sgml/xfunc.sgml	8 Jan 2005 22:13:36 -0000	1.95
--- doc/src/sgml/xfunc.sgml	14 Jan 2005 12:04:31 -0000
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*** 772,777 ****
--- 772,786 ----
      <primary>volatility</primary>
      <secondary>functions</secondary>
     </indexterm>
+    <indexterm zone="xfunc-volatility">
+     <primary>VOLATILE</primary>
+    </indexterm>
+    <indexterm zone="xfunc-volatility">
+     <primary>STABLE</primary>
+    </indexterm>
+    <indexterm zone="xfunc-volatility">
+     <primary>IMMUTABLE</primary>
+    </indexterm>
  
     <para>
      Every function has a <firstterm>volatility</> classification, with