Re: [ft-devel] questions about OpenType fonts with CFF data

[Manlio Perillo]

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Werner LEMBERG ha scritto:
> [...]
>>> (1) Most OpenTpe/CFF fonts I have seen have only one font in the
>>> FontSet
>> So, does this means that you have seen OpenType fonts with CFF data
>> having multiple font?
> 
> This is not possible.  According to people from both Adobe and
> Microsoft (as discussed on the OpenType mailing list, IIRC), a CFF
> font in an SFNT wrapper can only have a single font.  This is
> undocumented, however.
> 

Ok, thanks; this confirms my idea.
I hope this will get documented, at least in the ISO Open Font Format
specification.


Another restriction, IMHO, is with the FontMatrix: it can only take
values:  [1/unitsPerEm 0 0 1/unitsPerEm 0 0]


Is the OpenType mailing list you are speaking about this:
http://www.microsoft.com/typography/OTSPEC/otlist.htm
?



Regards  Manlio Perillo
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