Обсуждение: pgsql: Backpatch: Fix tsvector_out() and tsquery_out() to escape

Log Message:
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Backpatch: Fix tsvector_out() and tsquery_out() to escape backslesh, add test of that.
Patch by Bruce Momjian <bruce@momjian.us>

Tags:
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REL8_1_STABLE

Modified Files:
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    pgsql/contrib/tsearch2:
        query.c (r1.18.2.4 -> r1.18.2.5)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/tsearch2/query.c?r1=1.18.2.4&r2=1.18.2.5)
        tsvector.c (r1.15.2.6 -> r1.15.2.7)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/tsearch2/tsvector.c?r1=1.15.2.6&r2=1.15.2.7)
    pgsql/contrib/tsearch2/expected:
        tsearch2.out (r1.13.2.1 -> r1.13.2.2)

(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/tsearch2/expected/tsearch2.out?r1=1.13.2.1&r2=1.13.2.2)
    pgsql/contrib/tsearch2/sql:
        tsearch2.sql (r1.8 -> r1.8.2.1)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/tsearch2/sql/tsearch2.sql?r1=1.8&r2=1.8.2.1)