pgsql: Proofreading adjustments for first two parts of documentation

Log Message:
-----------
Proofreading adjustments for first two parts of documentation (Tutorial
and SQL).

Modified Files:
--------------
    pgsql/doc/src/sgml:
        advanced.sgml (r1.57 -> r1.58)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/advanced.sgml?r1=1.57&r2=1.58)
        arch-dev.sgml (r2.31 -> r2.32)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/arch-dev.sgml?r1=2.31&r2=2.32)
        array.sgml (r1.68 -> r1.69)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/array.sgml?r1=1.68&r2=1.69)
        backup.sgml (r2.124 -> r2.125)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/backup.sgml?r1=2.124&r2=2.125)
        config.sgml (r1.215 -> r1.216)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/config.sgml?r1=1.215&r2=1.216)
        contrib.sgml (r1.12 -> r1.13)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/contrib.sgml?r1=1.12&r2=1.13)
        datatype.sgml (r1.236 -> r1.237)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/datatype.sgml?r1=1.236&r2=1.237)
        ddl.sgml (r1.85 -> r1.86)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ddl.sgml?r1=1.85&r2=1.86)
        dml.sgml (r1.17 -> r1.18)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/dml.sgml?r1=1.17&r2=1.18)
        docguide.sgml (r1.74 -> r1.75)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/docguide.sgml?r1=1.74&r2=1.75)
        ecpg.sgml (r1.87 -> r1.88)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ecpg.sgml?r1=1.87&r2=1.88)
        func.sgml (r1.476 -> r1.477)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/func.sgml?r1=1.476&r2=1.477)
        high-availability.sgml (r1.34 -> r1.35)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/high-availability.sgml?r1=1.34&r2=1.35)
        history.sgml (r1.30 -> r1.31)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/history.sgml?r1=1.30&r2=1.31)
        indices.sgml (r1.76 -> r1.77)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/indices.sgml?r1=1.76&r2=1.77)
        info.sgml (r1.26 -> r1.27)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/info.sgml?r1=1.26&r2=1.27)
        install-win32.sgml (r1.51 -> r1.52)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/install-win32.sgml?r1=1.51&r2=1.52)
        installation.sgml (r1.320 -> r1.321)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/installation.sgml?r1=1.320&r2=1.321)
        intro.sgml (r1.34 -> r1.35)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/intro.sgml?r1=1.34&r2=1.35)
        libpq.sgml (r1.287 -> r1.288)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/libpq.sgml?r1=1.287&r2=1.288)
        monitoring.sgml (r1.68 -> r1.69)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/monitoring.sgml?r1=1.68&r2=1.69)
        mvcc.sgml (r2.70 -> r2.71)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/mvcc.sgml?r1=2.70&r2=2.71)
        perform.sgml (r1.69 -> r1.70)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/perform.sgml?r1=1.69&r2=1.70)
        pgbuffercache.sgml (r2.3 -> r2.4)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/pgbuffercache.sgml?r1=2.3&r2=2.4)
        postgres.sgml (r1.86 -> r1.87)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/postgres.sgml?r1=1.86&r2=1.87)
        problems.sgml (r2.29 -> r2.30)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/problems.sgml?r1=2.29&r2=2.30)
        queries.sgml (r1.53 -> r1.54)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/queries.sgml?r1=1.53&r2=1.54)
        query.sgml (r1.51 -> r1.52)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/query.sgml?r1=1.51&r2=1.52)
        regress.sgml (r1.62 -> r1.63)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/regress.sgml?r1=1.62&r2=1.63)
        rowtypes.sgml (r2.9 -> r2.10)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/rowtypes.sgml?r1=2.9&r2=2.10)
        runtime.sgml (r1.427 -> r1.428)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/runtime.sgml?r1=1.427&r2=1.428)
        sources.sgml (r2.32 -> r2.33)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/sources.sgml?r1=2.32&r2=2.33)
        sql.sgml (r1.47 -> r1.48)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/sql.sgml?r1=1.47&r2=1.48)
        start.sgml (r1.48 -> r1.49)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/start.sgml?r1=1.48&r2=1.49)
        syntax.sgml (r1.130 -> r1.131)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/syntax.sgml?r1=1.130&r2=1.131)
        textsearch.sgml (r1.50 -> r1.51)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/textsearch.sgml?r1=1.50&r2=1.51)
        typeconv.sgml (r1.58 -> r1.59)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/typeconv.sgml?r1=1.58&r2=1.59)
        xfunc.sgml (r1.136 -> r1.137)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/xfunc.sgml?r1=1.136&r2=1.137)
        xml2.sgml (r1.5 -> r1.6)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/xml2.sgml?r1=1.5&r2=1.6)