On Tue, Jun 21, 2011 at 10:03 AM, Taco Hoekwater <[email protected]> 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.
-- luigi
