doc: Improve example formatting

Erwin Brandstetter

doc/src/sgml/plpgsql.sgml

@@ -1694,13 +1694,13 @@ CREATE TABLE foo (fooid INT, foosubid INT, fooname TEXT);
 INSERT INTO foo VALUES (1, 2, 'three');
 INSERT INTO foo VALUES (4, 5, 'six');
 
-CREATE OR REPLACE FUNCTION getAllFoo() RETURNS SETOF foo AS
+CREATE OR REPLACE FUNCTION get_all_foo() RETURNS SETOF foo AS
 $BODY$
 DECLARE
     r foo%rowtype;
 BEGIN
-    FOR r IN SELECT * FROM foo
-    WHERE fooid > 0
+    FOR r IN
+        SELECT * FROM foo WHERE fooid > 0
     LOOP
         -- can do some processing here
         RETURN NEXT r; -- return current row of SELECT
@@ -1710,7 +1710,7 @@ END
 $BODY$
 LANGUAGE plpgsql;
 
-SELECT * FROM getallfoo();
+SELECT * FROM get_all_foo();
 </programlisting>
      </para>