Log Message:
-----------
Fix typo in PL/pgsql code example.
Backpatch to 8.4.
Marc Cousin. Review by Kevin Grittner.
Modified Files:
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pgsql/doc/src/sgml:
plpgsql.sgml (r1.154 -> r1.155)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/plpgsql.sgml?r1=1.154&r2=1.155)