Re: Comments on MIME/SGML

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Date: Fri, 25 Feb 1994 12:02:13 --100
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From: Tim Berners-Lee <timbl@ptpc00.cern.ch>
To: Multiple recipients of list <www-talk@www0.cern.ch>
Subject: Re: Comments on MIME/SGML
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Dan,

>    1. We make the following correspondence between the terms of the SGML
>    standard and the MIME RFC:
    

..
>        SGML SYSTEM identifier => MIME Content-ID

	I proposed in an earlier note that the SGML SYSTEM identifier
	should be a URI and that a special form of URI (cid:) should
	be used to specify a content identifier within a MIME
	multipart message.
	

	SGM SYSTEM identifier  => URI
	
	
	This allows SGML to reference anything in the universal
	syntax, inclusing now URLs and later URNs, and
	other parts of a MIME object using the cid: form.
	I think this is important, as external references
	are important too, and one will need to mix them.
	
	Tim BL