T
> in <TT
CLASS="LITERAL"
>thesaurus_astro</TT
> because we specified
    the <TT
CLASS="LITERAL"
>english_stem</TT
> stemmer in the thesaurus definition.
    The stemmer removed the <TT
CLASS="LITERAL"
>e</TT
> and <TT
CLASS="LITERAL"
>s</TT
>.
   </P
><P
>    To index the original phrase as well as the substitute, just include it
    in the right-hand part of the definition:

</P><PRE
CLASS="SCREEN"
>supernovae stars : sn supernovae stars

SELECT plainto_tsquery('supernova star');
       plainto_tsquery
