Server-parsed Fragments

This is an HTTP request header which allows the media fragment to be transmitted verbatim to the server.

   Fragment:

When a Fragment request is handled by a compliant HTTP server, it is acknowledged by the response header:

   Content-Fragment:

the value of which is a serialization/canonicalization of the actual fragment provided by the server.

This must also be accompanied by a Vary: response header for Fragment:

   Vary: Fragment

Interaction with Range

If part of the fragment is converted to a Range request header, that portion MUST NOT be included in the Fragment request header. See HTTP_Examples#Conversion_of_Fragment_to_Range for examples.

References

http://www.w3.org/DesignIssues/Fragment.html

http://www.w3.org/TR/2009/WD-hash-in-uri-20090415/

http://markmail.org/message/33ykbzfledelcjsi

Handling of fragment identifiers in redirected URLs http://ftp.ist.utl.pt/pub/drafts/draft-bos-http-redirect-00.txt