n tests to verify that the time zone data you have
         pointed to works correctly with <SPAN
CLASS="PRODUCTNAME"
>PostgreSQL</SPAN
>.
        </P
><P
>         This option is mainly aimed at binary package distributors
         who know their target operating system well.  The main
         advantage of using this option is that the PostgreSQL package
         won't need to be upgraded whenever any of the many local
         daylight-saving time rules change.  Another advantage is that
         Postgre