New 9.2 SSL parameters are GUC, not libpq, per Magnus's observation.

bmomjian · bmomjian · commit 53216e399266 · 2012-05-10T13:16:10.000-04:00
diff --git a/doc/src/sgml/release-9.2.sgml b/doc/src/sgml/release-9.2.sgml
@@ -309,7 +309,7 @@
       
       <listitem>
        <para>
-        Add libpq <link linkend="guc-ssl-key-file">parameters</link> for
+        Add GUC <link linkend="guc-ssl-key-file">parameters</link> for
         specifying the locations of server-side <acronym>SSL</acronym>
         files (Peter Eisentraut)
        </para>
