AL"
>src</TT
>.  Function parameters, as well as
    special variables such as <TT
CLASS="LITERAL"
>FOUND</TT
>, can be qualified by the
    function's name, because they are implicitly declared in an outer block
    labeled with the function's name.
   </P
><P
>    Sometimes it is impractical to fix all the ambiguous references in a
    large body of <SPAN
CLASS="APPLICATION"
>PL/pgSQL</SPAN
> code.  In such cases you can
    specify that <SPAN
CLASS="APPLICATION"
>PL/pgSQL</SPAN
> should resolve ambiguous