Thread: pgsql: Improve error messages from to_tsquery per yesterday's

Log Message:
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Improve error messages from to_tsquery per yesterday's discussion:
provide the bad input, and be sure to mention that we are talking about
a tsearch query.

Modified Files:
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    pgsql/contrib/tsearch2:
        query.c (r1.28 -> r1.29)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/tsearch2/query.c.diff?r1=1.28&r2=1.29)