Mine

RewriteEngine           On
#RewriteRule             .*              -       [L]
##RewriteRule            ^/wiki/pci/[0-9|a-f]    -       [L]
#RewriteRule             ^/wiki/(pci|usb)/(?-i:[\da-f]{1,4})/(?-i:[\da-f]{1,4})/(?-i:[\da-f]{1,4})/(?-i:[\da-f]{1,4})/$  -       [L]
#RewriteRule             ^/wiki/(pci|usb)/(?-i:[\da-f]{1,4})/(?-i:[\da-f]{1,4})/(?-i:[\da-f]{1,4})/(?-i:[\da-f]{1,4})$   -       [L]
#RewriteRule             ^/wiki/(pci|usb)/(?-i:[\da-f]{1,4})/(?-i:[\da-f]{1,4})/(?-i:[\da-f]{1,4})/$     -       [L]
#RewriteRule             ^/wiki/(pci|usb)/(?-i:[\da-f]{1,4})/(?-i:[\da-f]{1,4})/(?-i:[\da-f]{1,4})$      -       [L]
#RewriteRule             ^/wiki/(pci|usb)/(?-i:[\da-f]{1,4})/(?-i:[\da-f]{1,4})/$        -       [L]
#RewriteRule             ^/wiki/(pci|usb)/(?-i:[\da-f]{1,4})/(?-i:[\da-f]{1,4})$ -       [L]
#RewriteRule             ^/wiki/(pci|usb)/(?-i:[\da-f]{1,4})/$   -       [L]
#RewriteRule             ^/wiki/(pci|usb)/(?-i:[\da-f]{1,4})$    -       [L]
#RewriteRule             ^/wiki/$                -       [L]
#RewriteRule             ^/w/.*$                 -       [L]
#RewriteRule             ^/wiki/Main_Page$       -       [L]
#RewriteRule             ^/wiki/Special          -       [L]
#RewriteRule             ^/wiki/.*$              http://smolts.org/wiki/Main_Page [R,L]

Alias /mediawiki /var/www/wiki
Alias /w/skins/ /usr/share/mediawiki/skins/
Alias /w/index.php /var/www/wiki/index.php
Alias /w/api.php /usr/share/mediawiki/api.php
Alias /wiki /var/www/wiki/index.php

<Location /mediawiki/config>
    Order deny,allow
    Deny from all
    Allow from 127.0.0.1
</Location>

<Location /mediawiki/includes>
    Deny from all
</Location>

<Location /mediawiki/languages>
    Deny from all
</Location>

<Location /mediawiki/maintenance>
    Deny from all
</Location>

<Location /mediawiki/math>
    Deny from all
</Location>