#AddType  application/rdf+xml rdf

RewriteEngine on 
RewriteCond  %{HTTP_ACCEPT} .*application/rdf\+xml.*
RewriteRule (.*) index.rdf
 
# server-wide instead; not needed Header add Access-Control-Allow-Origin "*"

# for testing
#RewriteRule (.*) http://example.org/x$1x [R=303]