[mpeg-OTspec] OFF with glyphs only in 'SVG ' table?

David Lemon lemon at adobe.com
Fri Nov 21 21:06:38 CET 2014

While I agree that a font with glyphs only in an SVG table should be allowed under the spec, I'd hope the spec can also provide a strong recommendation against diing that. For anything other than really specialized use, a fallback option is necessary to ensure appropriate robustness.
David L

-----Original Message-----
From: mpeg-OTspec at yahoogroups.com [mailto:mpeg-OTspec at yahoogroups.com] On Behalf Of 'Adam Twardoch (List)' list.adam at twardoch.com [mpeg-OTspec]
Sent: Friday, November 21, 2014 12:21 AM
To: mpeg-OTspec at yahoogroups.com
Cc: public-svgopentype at w3.org
Subject: [mpeg-OTspec] OFF with glyphs only in 'SVG ' table?

Simple question: does the OFF spec allow an OFF font where the glyph images would only be hosted using the 'SVG ' table, without 'glyf' or 'CFF '? 

AFAIK, the spec permits to only have 'EBDT'/'EBLC', without any outline data, so my guess 'SVG ' only would also be permitted. Correct?

If that is the case, what would be the first four bytes? \00\01\00\00? I.e. is my understanding correct that 'OTTO' is only to be used if the 'CFF ' table is present, while any other glyph flavors ('glyf', 'SVG ', 'EBDT'/'EBLC' and possibly others) mandate \00\01\00\00?


Posted by: "Adam Twardoch (List)" <list.adam at twardoch.com>


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