[mpeg-OTspec] RE: font media types

Tue Apr 5 19:24:39 CEST 2011

That intent seems pretty orthogonal to the labels being used. More
importantly, where is that intent communicated in the MIME type proposal as
written?

I also find the attempt to introduce new differences between the OTF and OFF
labels rather perturbing.

Regards,

T

On Tue, Apr 5, 2011 at 8:29 AM, Levantovsky, Vladimir <
vladimir.levantovsky at monotypeimaging.com> wrote:

>
>
> David,
>
> Thank you for your comments. The original intention was that the proposed
> MIME media types should be assigned depending on a specific type of glyph
> outlines data contained in a font, with font-ttf being used for TrueType
> outlines, font-otf for CFF outlines, and font-off as an umbrella type to
> indentify a font that either has both types of the outlines or where glyph
> data type may be unknown to an application.
>
> If you believe this is a reasonable approach, I agree that it should be
> clarified in more details. We can also consider changing the proposed media
> types, e.g. to be more specific and use font-ttf, font-cff and font-otf for
> the purposes outlined above.
>
> Other opinions / comments?
>
>
> Thank you,
> Vladimir
>
> > -----Original Message-----
> > From: David Lemon [mailto:lemon at adobe.com]
> > Sent: Monday, April 04, 2011 10:34 PM
> > To: Levantovsky, Vladimir; OTspec
> > Cc: Chris Lilley; Tab Atkins; Paul.Irish at molecular.com; Karsten Luecke
> > Subject: [mpeg-OTspec] RE: font media types [1 Attachment]
> >
> > Valdimir et al.,
> > I'm unfamiliar with mime type applications, but it seems odd to me
> > that this does not indicate what distinctions are meant to be drawn
> > between the three proposed types. I'll note that the formats
> > referenced by their names do not clarify this; TrueType is a subset
> > of OpenType, which is (at least currently) equivalent to Open Font
> > Format.
> >
> > Perhaps another way to ask this is: How would a compliant application
> > decide which mime type to assign?
> >
> > - thanks,
> > David L
> >
> >
> > At 10:39 -0700 4/4/11, Levantovsky, Vladimir wrote:
> > >Dear all,
> > >
> > >Please see attached the updated working draft of the ISO/IEC
> > >14496-22/PDAM2 with additional Annex E that defines three new media
> > >types for fonts:
> > >application/font-ttf,
> > >application/font-otf, and
> > >application/font-off
> > >
> > >The document needs to be finalized before the end of the week, and
> > >your comments are greatly appreciated.
> > >
> > >Thank you,
> > >Vladimir
> > >
> > >
> > >> -----Original Message-----
> > >> From: mpeg-OTspec at yahoogroups.com [mailto:mpeg-
> > OTspec at yahoogroups.com]
> > >> On Behalf Of Levantovsky, Vladimir
> > >> Sent: Wednesday, March 23, 2011 6:39 AM
> > >> To: OTspec
> > >> Subject: [mpeg-OTspec] FW: font media types
> > >> Importance: High
> > >>
> > >> Dear AHG,
> > >>
> > >> Please see below the email from Mr. Karsten Luecke regarding the
> > >> registration of the MIME types for various font formats. I brought
> > this
> > >> subject for consideration of the WG11 meeting, and we have reached
> > an
> > >> agreement that it would make perfect sense for MPEG to register the
> > >> MIME types for OFF and other related font formats (TTF, OTF, ...)
> > under
> > >> the existing top level MIME "application" tree.
> > >>
> > >> The decision was that the AHG should move quickly to finalize the
> > list
> > >> of font formats for MIME type registration, suggest the MIME types
> > to
> > >> apply for, and prepare the text of the application to IANA. At the
> > same
> > >> time, we will have an extended two-week editing period for the
> > existing
> > >> Working Draft Amendment so that the proposed MIME types could be
> > added
> > >> in the text of the amendment before it's submitted for ballot.
> > >>
> > >> We need to proceed quickly - the text of the application including
> > the
> > >> list of font formats and their corresponding MIME types must be
> > >> finalized no later than April 6th.
> > >>
> > >> Thank you and regards,
> > >> Vladimir
> > >>
> > >>
> > >> -----Original Message-----
> > > > From: Karsten Luecke [mailto:karsten.luecke at kltf.de]
> > >> Sent: Sunday, February 06, 2011 6:52 AM
> > >> Subject: font media types
> > >>
> > >> Dear Mr Levantovsky, Mr Atkins, Mr Lilley & Mr Irish,
> > >>
> > >> reading
> > >> http://lists.w3.org/Archives/Public/public-webfonts-
> > >> wg/2010Nov/0051.html
> > >> and googling for media types for other font formats, I came across
> > >>
> > >> WOFF
> > >> application/font-woff
> > >> according to
> > >> http://dev.w3.org/webfonts/WOFF/spec/#appendix-b
> > >>
> > >> http://lists.w3.org/Archives/Public/public-webfonts-
> > >> wg/2010Nov/0051.html
> > >>
> > >> EOT
> > >> application/vnd.ms-fontobject
> > >> which seems to be fine according to
> > >> http://www.iana.org/assignments/media-types/application/
> > >>
> > >> TTF OTF (OFF?)
> > >> application/vnd.ms-opentype
> > >> according to
> > >>
> > >> http://msdn.microsoft.com/en-
> > >> us/library/system.io.packaging.packagepart.contenttype.aspx
> > >> but also
> > >> application/octet-stream
> > >> according to
> > >> http://www.jbarker.com/blog/2009/mime-type-css-web-fonts
> > >> plus a not sufficiently answered request at
> > >> http://www.alvestrand.no/pipermail/ietf-types/2008-
> > >> August/002066.html
> > >>
> > >> Is there anything reliable as regards TTF OTF OFF?
> > >>
> > >> It were nice to have a single place, like the iana.org page, to
> > refer
> > >> to
> > >> when it comes to this.
> > >>
> > >> (The samples on the jbarker.com make me wonder if the trailing dot
> > >> should be included in the AddType declaration or not.)
> > >>
> > >> Best wishes!
> > > > Karsten
> >
> > --
> > David Lemon
> > Sr Manager, Type Development
> > Adobe Systems, Inc.
> >
> > 408 536 4152
> > lemon at adobe.com
> > http://blogs.adobe.com/typblography
>
>  
>

-- 
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 somewhere, may be happy.”
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