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**To**:*vieth@convex.rz.uni-duesseldorf.de***Subject**:**Re: About atomic encoding****From**:*alanje@cogs.susx.ac.uk (Alan Jeffrey)***Date**: Sat, 9 Apr 94 16:58 BST**Cc**:*math-font-discuss@cogs.susx.ac.uk*

Actually, I don't think there's that much difference between our goals, we just have rather different ways of going about it... The possibilities are: a) Have one `lowest common denominator' math core font, and put the discipline-specific fonts. b) Allow the math core font to be discipline-specific. The advantages of a) are: * implementing fonts and macro packages is *much* simpler. * most papers in most disciplines can be set with the math core, and only papers requiring special glyphs need fonts with the discipline-specific encodings. * most sites only need one math core font per font family (eg one CM, one Adobe Times, etc.) rather than one per font family per discipline. * allowing multiple discipline-specific encodings will encourage people to produce their own encodings, and we're in danger of getting back to the current situation, where there's almost no agreement on math font encodings. The advantages of b) are: * kerning is possible between the discipline-specific glyphs and the non-discipline-specific glyphs. * one less family per math version is used. I'm very much in favour of a), but that's probably because I'm the person who'd have to write all the fontinst ETX code to generate the new math fonts. (Users of fontinst have remarked on how difficult it is to get fontinst to generate VFs with non-standard encodings. This is not a coincidence :-) >The PostScript versions of >these core fonts would simply follow the encoding of one driver >files or another. This would only apply to the raw fonts (eg Symbol is in Symbol encoding). The TeX fonts would use the same encoding as the CM equivalents. Alan.

**References**:**Re: About atomic encoding***From:*vieth@convex.rz.uni-duesseldorf.de (Ulrik Vieth)

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