   </P
></LI
><LI
STYLE="list-style-type: disc"
><P
>      a single lexeme with the <TT
CLASS="LITERAL"
>TSL_FILTER</TT
> flag set, to replace
      the original token with a new token to be passed to subsequent
      dictionaries (a dictionary that does this is called a
      <I
CLASS="FIRSTTERM"
>filtering dictionary</I
>)
     </P
></LI
><LI
STYLE="list-style-type: disc"
><P
>      an empty array if the dictionary knows the token, but it is a stop word
     </P
></LI
><LI
STYLE="list-style-type: disc"
><