[Date Prev] | [Thread Prev] | [Thread Next] | [Date Next] -- [Date Index] | [Thread Index] | [List Home]
Subject: Re: [office] Re: mimetype for ODF - Macintosh type codes?
David, you are right, and I also suggest that we of course leave this information in the registration (it was btw. included in the version that I sent to OASIS, see my mail from Feb. 14th: http://lists.oasis-open.org/archives/office/200602/msg00057.html) All the best, /lars David Faure wrote: > On Thursday 02 March 2006 16:25, David A. Wheeler wrote: > >>the magic numbers of zip are not sufficient to distinguish the format from >>other zip files. > > > That is not the case; we chose that the file named "mimetype" would be stored uncompressed > and at a fixed offset in the ZIP, so that there _are_ magic numbers for OpenDocument files > that use the ZIP storage. > > In file(1) syntax: > 0 string PK\003\004 > >>30 string mimetype >> >>>38 string application/vnd.oasis.opendocument.text >>>38 string application/vnd.oasis.opendocument.text-template > > etc. > > (which means the zip magic in the first 4 bytes, the litteral string "mimetype" at byte offset 30, > and the actual mimetype at byte offset 38). > > Of course this doesn't apply to uncompressed (flat) XML files, which might need to be explained > in the mimetype registration; I'm not sure if it allows for two variants of the same format, > one in ZIP form and one in uncompressed XML form. In any case the ZIP one is the main one, > so I think we should describe the magic for it. > > James Bryce Clark wrote: > >>We noticed that you elect not to use the "+xml" form permitted by RFC 3023. > > Yes, IMHO this makes sense for a format that is primarily ZIP based, and rarely uncompressed xml. >