aints.
       </P
></LI
></UL
></DIV
><DIV
CLASS="SECT3"
><H3
CLASS="SECT3"
><A
NAME="AEN116118"
>E.8.2.4. Command-Line Tools</A
></H3
><P
></P
><UL
><LI
><P
>        Provide consistent backquote, variable
        expansion, and quoted substring behavior in <A
HREF="app-psql.html"
><SPAN
CLASS="APPLICATION"
>psql</SPAN
></A
> meta-command
        arguments (Tom Lane)
       </P
><P
>        Previously, such references were treated oddly when not separated by
        whitespace from adjacent text.  For examp