Date: Wed, 28 Oct 1992 08:46:54 +0100 From: Luc Ottavj <Luc.Ottavj@sophia.inria.fr> Message-Id: <199210280746.AA11955@pegase.inria.fr> To: NED@sigurd.innosoft.com, masinter@parc.xerox.com Subject: Re: misconceptions about MIME [long] Cc: connolly@pixel.convex.com, nsb@thumper.bellcore.com, >If I wish to retrieve the document, say to view it, I might want to >choose the available representation that is most appropriate for my >purpose. Imagine my dismay to retrieve a 50 megabyte postscript file >from an anonymous FTP archive, only to discover that it is in the >newly announced Postscript level 4 format, or to try to edit it only >to discover that it is in the (upwardly compatible but not parsable by >my client) version 44 of Rich Text. In each case, the appropriateness >of alternate sources and representations of a document would depend on >information that is currently only available in-band. i think you can avoid this if you make your MIME document descriptor in the following way. 1- an ascii part containing an abstract for the document and describing all the document representations (size, real format...) 2- for each representation an external-body ftp part then the mime document itself is very short and after you read the ascii part you can decide to transfer( or not ) only the representation that you want Luc Ottavj | Email : ottavj@pegase.inria.fr INRIA U.R. de Sophia Antipolis | Phone : (33) 93 65 77 21 2004, Route des Lucioles BP 93 | Telex : 97 00 50 F 06902 Sophia Antipolis CEDEX France| Fax : (33) 93 65 76 02