ASS="ENVAR"
>PGDATA</TT
> or <TT
CLASS="OPTION"
>-D</TT
> points to a configuration-only
        directory.
       </P
></LI
><LI
><P
>        Replace an empty locale name with the implied value in
        <TT
CLASS="COMMAND"
>CREATE DATABASE</TT
>
        (Tom Lane)
       </P
><P
>        This prevents cases where
        <TT
CLASS="STRUCTNAME"
>pg_database</TT
>.<TT
CLASS="STRUCTFIELD"
>datcollate</TT
> or
        <TT
CLASS="STRUCTFIELD"
>datctype</TT
> could be interpreted differently after a
        se