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Subject: ISSUE: Re: [cgmo-webcgm] draft text- CGM gzip compression
All -- I have implemented Don's contribution. There are questions, and one major issue, that we must address. At 03:24 PM 3/5/2008 -0500, Don Larson wrote: >All > >Insert under 1.2 Normative references: > > RFC 1952 > GZIP file format specification > >Insert new section under 2.4 Encoding: > >2.4.1 Compression > >HTTP/1.1 allows for compressed data to be passed from server >to client, >which can result in significant file size reduction. CGM >data maybe >compressed for transmission using gzip compression. It is >recommended >that gzip-compressed CGM files have the extension ".cgz" (all >lowercase) >on all platforms. ISSUE: All of Ch.2 is *informative*. So this contribution places no *normative* requirements on implementations. I assume we intend GZIP support to be required, yes? So where do we add it? Ch.3? Ch.7 as a conformance requirement on 2.1 interpreters? >(gzip should be linked to) >http://www.ietf.org/rfc/rfc1952.txt Two QUESTIONS to discuss (no opinion, myself): >Questions- > >Do we need to add CGZ under MIME type section of W3C Overview >of WebCGM Profile? >http://www.w3.org/Graphics/WebCGM/ > >Normative reference to? http://www.iana.org/assignments/media-types/image/cgm -Lofton.
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