Add dash to:

     set-returning functions or SRF's.

for clarity.

doc/src/sgml/xfunc.sgml

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-$Header: /cvsroot/pgsql/doc/src/sgml/xfunc.sgml,v 1.62 2002/11/15 03:11:17 momjian Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/xfunc.sgml,v 1.63 2003/01/17 03:28:18 momjian Exp $
 -->
 
  <chapter id="xfunc">
@@ -1497,7 +1497,7 @@ LANGUAGE C;
      either base (scalar) data types, or composite (multi-column) data types.
      The API is split into two main components: support for returning
      composite data types, and support for returning multiple rows
-     (set returning functions or <acronym>SRF</>s).
+     (set-returning functions or <acronym>SRF</>s).
     </para>
 
     <para>