SGML: MIME in SGML

SGML: MIME in SGML


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To: sgml-internet@ebt.com
Subject: WG Last Call: SGML Encap. et al.
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Date: Fri, 02 Jun 1995 10:46:32 -0400
From: Ed Levinson <elevinso@Accurate.COM>
Status: R

--tiger-lily
Content-Type: Text/plain
Content-Description: Cover Letter

The new draft for SGML in MIME has been completed.  Actually
three drafts:

	draft-ietf-mimesgml-encap-00.txt	 (20 pages)
	draft-ietf-mimesgml-access-cid-00.txt	 ( 4 pages)
	draft-ietf-mimesgml-multipart-rel-01.txt ( 7 pages)

This announcement is for a last call within the MIMESGML working
group.  After two weeks (June 19), if a rough consensus exists I
will forward the drafts to the area directors for Proposed
Standard status.

These drafts represent the specification from which implementors will
work.  You can get copies from your favorite archive, see the attached
abstracts and instructions (I copied them from the announcements sent
to the list).  The last attachment will retrieve the three documents
via email (if your mail reader is MIME-capable).

Here's how the drafts fit together:

	encap		is the main document and has all the details
			about handling SGML.  It incorporates many of
			the suggestions people have made over the
			course of the discussions.

	multipart-rel	describes the Multipart/Related proposal, the
			MIME entity that encloses an SGML document.  It
			contains nothing about SGML itself but defines
			the behaviour for this media type.

	access-cid	provides the a cross-referece mechanism that
			permits an SGML entity appear more than once
			without replicating the data.

So read, respond, and provide your comments.

Best.../Ed

--tiger-lily
Content-Type: Text/plain
Content-Description: Abstracts

draft-ietf-mimesgml-encap-00.txt

This draft describes the encapsulation of a Standard Generalized Markup 
Language (SGML) document withing a MIME message.  It proposes new content 
sub-types of Text/SGML, Application/SGML, and Application/SGML-notation, 
and a new header, Content-SGML-Entity.

This specification uses the proposed Multipart/Related Content-Type  
[RFC-REL] and access-type=content-id [RFC-ACTI] specifications.  
Multipart/Related provides the mechanism for treating the entire document 
as a single object and access-type=content-type allows a single MIME entity
to appear several times without replicating the body of that MIME entity.  


draft-ietf-mimesgml-access-cid-00.txt

When using MIME [MIME] to encapsulate a structured object that consist of 
many elements, for example an SGML [SGML] document, a single element may 
occur several times.  An encapsulation normally maps each of the structured
objects elements to a MIME entity.  It is useful to include elements that 
occur multiple time exactly once.  To accomplish that and to preserve the 
object structure it is desirable to unambiguously refer to another body 
part of the same message.                                     


draft-ietf-mimesgml-multipart-rel-01.txt

The Multipart/Related content-type provides a common mechanism for 
representing objects that are aggregates of related MIME body parts.  This 
document defines the Multipart/Related content-type and provides examples 
of its use.                                                                
The exsisting MIME Content-Type Message/External-Body access-types allow 
a MIME entity (body-part) to refer to an object that is not in the message 
by specifying how to access that object.  The Content-ID access method 
described in this document provides the capability to refer to an object 
within the message. 

--tiger-lily
Content-Type: Text/plain
Content-Description: Instructions for getting the drafts

Internet-Drafts are available by anonymous FTP.  Login with the username
"anonymous" and a password of your e-mail address.  After logging in,
type "cd internet-drafts" and then
     "get draft-ietf-mimesgml-encap-00.txt",
     "get draft-ietf-mimesgml-multipart-rel-01.txt",
     "get draft-ietf-mimesgml-access-cid-00.txt".
The URL for the Internet-Drafts are:
ftp://ds.internic.net/internet-drafts/draft-ietf-mimesgml-encap-00.txt
ftp://ds.internic.net/internet-drafts/draft-ietf-mimesgml-multipart-rel-01.txt
ftp://ds.internic.net/internet-drafts/draft-ietf-mimesgml-access-cid-00.txt
 
Internet-Drafts directories are located at:	
	                                                
     o  Africa                                   
        Address:  ftp.is.co.za (196.4.160.2)	
	                                                
     o  Europe                                   
        Address:  nic.nordu.net (192.36.148.17)	
        Address:  ftp.nis.garr.it (192.12.192.10)
	                                                
     o  Pacific Rim                              
        Address:  munnari.oz.au (128.250.1.21)	
	                                                
     o  US East Coast                            
        Address:  ds.internic.net (198.49.45.10)	
	                                                
     o  US West Coast                            
        Address:  ftp.isi.edu (128.9.0.32)  	
	                                                
Internet-Drafts are also available by mail.	
	                                                
Send a message to:  mailserv@ds.internic.net. In the body type: 
     "FILE /internet-drafts/draft-ietf-mimesgml-encap-00.txt".
							
NOTE: The mail server at ds.internic.net can return the document in
      MIME-encoded form by using the "mpack" utility.  To use this
      feature, insert the command "ENCODING mime" before the "FILE"
      command.  To decode the response(s), you will need "munpack" or
      a MIME-compliant mail reader.  Different MIME-compliant mail readers
      exhibit different behavior, especially when dealing with
      "multipart" MIME messages (i.e., documents which have been split
      up into multiple messages), so check your local documentation on
      how to manipulate these messages.
							
For questions, please mail to Internet-Drafts@cnri.reston.va.us.

--tiger-lily
Content-Type:  Message/External-body;
        access-type="mail-server";
        server="mailserv@ds.internic.net"
Content-Description: mail-server request

Content-Type: text/plain
Content-ID: <19950531114223.I-D@CNRI.Reston.VA.US>

ENCODING mime
FILE /internet-drafts/draft-ietf-mimesgml-encap-00.txt
FILE /internet-drafts/draft-ietf-mimesgml-access-cid-00.txt
FILE /internet-drafts/draft-ietf-mimesgml-multipart-rel-01.txt

--tiger-lily--