part of Hypertext Transfer Protocol -- HTTP/1.1 RFC 2616 Fielding, et al. 14 Header Field Definitions This section defines the syntax and semantics of all standard HTTP/1.1 header fields. For entity-header fields, both sender and recipient refer to either the client or the server, depending on who sends and who receives the entity. 14.1 Accept The Accept request-header field can be used to specify