Add to documentation:

bmomjian · bmomjian · commit a534afc8541d · 2008-03-11T16:59:00.000Z
+         Setting &lt;varname&gt;statement_timeout&lt;/&gt; in
+         &lt;filename&gt;postgresql.conf&lt;/&gt; is not recommended because it
+         affects all sessions.

Backpatch to 8.3.X.
diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml
@@ -1,4 +1,4 @@
-<!-- $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.172 2008/03/11 15:49:46 momjian Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.173 2008/03/11 16:59:00 momjian Exp $ -->
 
 <chapter Id="runtime-config">
   <title>Server Configuration</title>
@@ -3877,6 +3877,12 @@ COPY postgres_log FROM '/full/path/to/logfile.csv' WITH csv;
         logged.  A value of zero (the default) turns off the 
         limitation.
        </para>
+
+       <para>
+        Setting <varname>statement_timeout</> in
+        <filename>postgresql.conf</> is not recommended because it
+        affects all sessions.
+       </para>
       </listitem>
      </varlistentry>
 
