RewriteEngine On
RewriteBase /

RewriteCond e:/hosting/development/2016/uri.hab.de/public/$1.rdf -f
RewriteRule ^(.*)$ $1.rdf [R=303]

RewriteCond e:/hosting/development/2016/uri.hab.de/public/$1.rnc -f
RewriteRule ^(.*)$ $1.rnc [R=303]