 addition of the system's standard
   shared library file name extension.  See <A
HREF="xfunc-c.html"
>Section 35.9</A
> for
   more information on this topic.
  </P
><P
>   Non-superusers can only apply <TT
CLASS="COMMAND"
>LOAD</TT
> to library files
   located in <TT
CLASS="FILENAME"
>$libdir/plugins/</TT
> &mdash; the specified
   <TT
CLASS="REPLACEABLE"
><I
>filename</I
></TT
> must begin
   with exactly that string.  (It is the database administrator's
   responsibility to ensure that only <SPAN
CLASS