Log Message:-----------Fix reverse compilation of IS DOCUMENT expression.
Modified Files:-------------- pgsql/src/backend/utils/adt: ruleutils.c (r1.242 -> r1.243) (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/adt/ruleutils.c.diff?r1=1.242&r2=1.243)
