AliasMatch ^/manual(?:/(?:de|en|es|fr|ja|ko|pt-br|ru))?(/.*)?$ "/usr/local/Apache2.2.X/manual$1"
<Directory "/usr/local/Apache2.2.X/manual">
Options Indexes
AllowOverride None
Order allow,deny
Allow from all
<Files *.html>
SetHandler type-map
</Files>
SetEnvIf Request_URI ^/manual/(de|en|es|fr|ja|ko|pt-br|ru)/ prefer-language=$1
RedirectMatch 301 ^/manual(?:/(de|en|es|fr|ja|ko|pt-br|ru)){2,}(/.*)?$ /manual/$1$2
LanguagePriority en de es fr ja ko pt-br ru
ForceLanguagePriority Prefer Fallback
</Directory>