</SPAN
> errors in
       <TT
CLASS="COMMAND"
>VACUUM</TT
> (Tom)
      </P
></LI
><LI
><P
>       Fix bugs affecting multi-gigabyte hash indexes (Tom)
      </P
></LI
><LI
><P
>      Fix error when constructing an <TT
CLASS="LITERAL"
>ARRAY[]</TT
> made up of multiple
      empty elements (Tom)
     </P
></LI
><LI
><P
>      <CODE
CLASS="FUNCTION"
>to_number()</CODE
> and <CODE
CLASS="FUNCTION"
>to_char(numeric)</CODE
>
      are now <TT
CLASS="LITERAL"
>STABLE</TT
>, not <TT
CLASS="LITERAL"
>IMMUTABLE</TT