====== UPDATE release ======
<code>
wget http://www.splitbrain.org/_media/projects/dokuwiki/dokuwiki-2012-01-25a.tgz
tar -xvzf dokuwiki-2012-01-25a.tgz 
less dokuwiki-2012-01-25a/README 
cp -a /var/www/dokuwiki/ ./dokuwikiBCK
'cp' -rf dokuwiki-2012-01-25a/{*,.??*} /var/www/dokuwiki/
rm /var/www/dokuwiki/install.php 
chown -R www-data:www-data /var/www/dokuwiki
diff /var/www/dokuwiki/.htaccess /var/www/dokuwiki/.htaccess.dist 
nano -w /var/www/dokuwiki/conf/local.php
rm /var/www/dokuwiki/data/cache/messages.txt 
</code>