t any string that satisfies the pattern sub-expression referenced
      by the back-reference symbol.
     </P
><P
>      A similar problem still afflicts back-references that are embedded in a
      larger quantified expression, rather than being the immediate subject
      of the quantifier.  This will be addressed in a future
      <SPAN
CLASS="PRODUCTNAME"
>PostgreSQL</SPAN
> release.
     </P
></LI
><LI
><P
>      Fix recently-introduced memory leak in processing of
      <TT
CLASS="TYPE"
>inet</TT
>/<