Title: Communicating Presentation Information in Internet Messages: The Content-Disposition Header Field
Author(s): R. Troost, S. Dorner, K. Moore, Ed..
Status: PROPOSED STANDARD
Date: Aug 1997
Length: 23150
Updates: RFC1806
Updated by: RFC2184, RFC2231
This memo provides a mechanism whereby messages conforming to the MIME specifications [RFC2045, RFC2046, RFC2047, RFC2048, RFC2049] can convey presentational information. It specifies the "Content-Disposition" header field, which is optional and valid for any MIME entity ("message" or "body part"). Two values for this header field are described in this memo; one for the ordinary linear presentation of the body part, and another to facilitate the use of mail to transfer files. It is expected that more values will be defined in the future, and procedures are defined for extending this
set of values.
This document is intended as an extension to MIME. As such, the reader is assumed to be familiar with the MIME specifications, and
[RFC822]. The information presented herein supplements but does not replace that found in those documents.
This document is a revision to the Experimental protocol defined in RFC1806. As compared to RFC1806, this document contains minor editorial updates, adds new parameters needed to support the File Transfer Body Part, and references a separate specification for the handling of non-ASCII and/or very long parameter values.
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