{"draft":"draft-ietf-conneg-feature-syntax-04","doc_id":"RFC2533","title":" A Syntax for Describing Media Feature Sets ","authors":["G. Klyne"],"format":["ASCII","HTML"],"page_count":"37","pub_status":"PROPOSED STANDARD","status":"PROPOSED STANDARD","source":"Content Negotiation","abstract":" This document introduces and describes a syntax that can be used to define feature sets which are formed from combinations and relations involving individual media features.  [STANDARDS-TRACK]  ","pub_date":"February 1999","keywords":["message","senders","recipients","file","format"],"obsoletes":[],"obsoleted_by":[],"updates":[],"updated_by":["RFC2738","RFC2938"],"see_also":[],"doi":"10.17487\/RFC2533","errata_url":null}