 version again, just follow the patch
instructions again.</p>
<p>The directory in the contib/ and the directory from the archive
is called tsearch2. Tsearch2 is completely incompatible with the
previous version of tsearch. This means that both versions can be
installed into a single database, and migration the new version may
be much easier.</p>
<p>NOTE: the previous version of tsearch found in the
contrib/tsearch directory is depricated. Although it is still
available and included within PostgreSQL version