Merge pull request #244 from jingsam/alter_function

fix ref/alter_function

Author: ChenHuajun

postgresql/doc/src/sgml/ref/alter_function.sgml

@@ -3,7 +3,7 @@ doc/src/sgml/ref/alter_function.sgml
 PostgreSQL documentation
 -->
 
-<refentry id="SQL-ALTERFUNCTION">
+<refentry id="sql-alterfunction">
 <!--==========================orignal english content==========================
  <indexterm zone="sql-alterfunction">
   <primary>ALTER FUNCTION</primary>
@@ -681,6 +681,8 @@ ____________________________________________________________________________-->
   <simplelist type="inline">
    <member><xref linkend="sql-createfunction"/></member>
    <member><xref linkend="sql-dropfunction"/></member>
+   <member><xref linkend="sql-alterprocedure"/></member>
+   <member><xref linkend="sql-alterroutine"/></member>
   </simplelist>
  </refsect1>
 </refentry>