Log Message:
-----------
Add an example to clarify the use of ORDER BY in multiple-argument
aggregates. People seem to not get this right without help.
Modified Files:
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pgsql/doc/src/sgml:
syntax.sgml (r1.148 -> r1.149)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/syntax.sgml?r1=1.148&r2=1.149)