DT
><TT
CLASS="REPLACEABLE"
><I
>minvalue</I
></TT
><BR><TT
CLASS="LITERAL"
>NO MINVALUE</TT
></DT
><DD
><P
>      The optional clause <TT
CLASS="LITERAL"
>MINVALUE <TT
CLASS="REPLACEABLE"
><I
>minvalue</I
></TT
></TT
> determines
      the minimum value a sequence can generate. If this clause is not
      supplied or <TT
CLASS="OPTION"
>NO MINVALUE</TT
> is specified, then
      defaults will be used.  The defaults are 1 and
      -2<SUP
>63</SUP
>-1 for ascending and descending sequences,
      respective