NAME
        SetFilter -- change the matching condition of a commodity filter.
                     (V36)

   SYNOPSIS
        SetFilter(filter,text);
                  A0     A1

        VOID SetFilter(CxObj *,STRPTR);

   FUNCTION
        This function changes the matching condition of a commodity input
        filter to that described by the input description string 'text'.

   INPUTS
        filter - the filter object to affect (may be NULL)
        text - the new matching conditions for the filter

   RESULTS
        The internal error of 'filter' will have the COERR_BADFILTER
        bit set or cleared depending on the failure or success of this
        function.

   SEE ALSO
        setfilterix(), cxobjerror()