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Re: MIME links [was: self-contained html file format]

From: Jonny Axelsson <jax@opera.no>
Date: Wed, 22 Jan 2003 11:41:23 +0100
To: www-html@w3.org
Message-ID: <oprjeda9g8iaf507@localhost>

On Wed, 22 Jan 2003 01:58:15 -0800 (PST), Vix <vixcc@yahoo.com> wrote:

> MIME allows for embedding multiple parts into one WHOLE part.
> However, linking one part to another is not handled (up to my knowledge) 
> and is left up to the viewer.

Yes it it. While the MIME specs (RFCs 2045-49) doesn't cover internal 
references, an early extension added the multipart/related content type 
(RFC 2387). Look up "Content-ID and Message-ID Uniform Resource Locators" 
(RFC 2392), with the corresponding mid: and cid: schemes. The latter 
enables you to refer to any MIME part.

"MIME Encapsulation of Aggregate Documents, such as HTML (MHTML)" (RFC 
2557) brought it all together. The examples can be instructive, for 
instance <http://www.zvon.org/tmRFC/RFC2557/Output/chapter9.html#sub5>.

Jonny Axelsson,
Web Standards,
Opera Software
Received on Wednesday, 22 January 2003 05:43:50 UTC

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