filtering dictionary could be used to remove accents from accented
   letters, as is done by the <A
HREF="unaccent.html"
>unaccent</A
> module.
  </P
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="TEXTSEARCH-STOPWORDS"
>12.6.1. Stop Words</A
></H2
><P
>    Stop words are words that are very common, appear in almost every
    document, and have no discrimination value. Therefore, they can be ignored
    in the context of full text searching. For example, every English text
    contains words like <TT
CLASS