tsearch limitations doc correction

diff -c -r1.17 textsearch.sgml
*** doc/src/sgml/textsearch.sgml        14 Sep 2007 13:21:30 -0000      1.17
--- doc/src/sgml/textsearch.sgml        9 Oct 2007 18:28:51 -0000
***************
*** 2053,2059 ****
       <para>The number of lexemes must be less than
2<superscript>64</superscript>  </para>
      </listitem>
      <listitem>
!      <para>Positional information must be non-negative and less than
16,383  </para>
      </listitem>
      <listitem>
       <para>No more than 256 positions per lexeme  </para>
--- 2053,2059 ----
       <para>The number of lexemes must be less than
2<superscript>64</superscript>  </para>
      </listitem>
      <listitem>
!      <para>Positional information must be greater than 0 and less than
16,384</para>
      </listitem>
      <listitem>
       <para>No more than 256 positions per lexeme  </para>


--
  Heikki Linnakangas
  EnterpriseDB   http://www.enterprisedb.com