[luatex] dump a tfm to a file

luigi scarso luigi.scarso at gmail.com
Tue Jun 21 10:10:00 CEST 2011

On Tue, Jun 21, 2011 at 10:03 AM, Taco Hoekwater <taco at elvenkind.com> wrote:
> On 06/21/2011 09:50 AM, Ulrike Fischer wrote:
>> I know that normal tfm's should contain only 256 chars. But after
>> all a tfm is more or less only a long list of
>>  (CHARACTER<number>
>>   (CHARWD ...)).
>> So I don't see a logical reason why one shouldn't be able to
>> generate a large tfm with the informations of more characters (and
> It would not be a TFM if it allowed more than 256 glyphs. TFM is
> a binary format with fixed sizes for various fields (expressed in bits).
> The 'human-readable' PL format is a dump of a TFM file, so that is
> derived from TFM, not the other way around.
> OFM (Omega's extensions to TFM) allows 65536 glyphs which is more,
> but still not enough to encode Unicode Math properly. I do not
> think there is *any* extension to TFM anywhere that supports the
> full Unicode range.
But  OpenType allows only 65536 glyphs, so maybe it's not so serious.


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