Log Message:
-----------
Fix bad grammar.
Tags:
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REL9_0_STABLE
Modified Files:
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pgsql/doc/src/sgml:
plpgsql.sgml (r1.154.2.3 -> r1.154.2.4)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/plpgsql.sgml?r1=1.154.2.3&r2=1.154.2.4)