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Hans Aberg <[log in to unmask]>
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Mailing list for the LaTeX3 project <[log in to unmask]>
Tue, 13 Feb 2001 22:47:31 +0100
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At 12:48 +0330 2001/02/13, Roozbeh Pournader wrote:
>In Persian, we usually do not have the three classic families. In Iran,
>there is rarely a need for typewriter style, that's only used for Latin
>texts, and in the case they really need to show Persian on the screen,
>they use screenshots. Also, I know only three non-bitmap typewriter fonts,
>and the only almost-free one is MS Courier. I use one of the other two
>when writing a manual, but I'm among the few who use such a thing.

I am not sure that the NFSS model is so suitable for European languages &
Latin alphabets either, as it is quite difficult to find a good set of
fonts matching each other except for the NFSS attributes. In math mode, it
is of course important to have a set matching each other in wehat can be
thought of appear side-by-side in math formulas.

Instead (as an input), I tend to think of the fonts as having a set of
attributes. If one group together some fonts together with different
attributes, one might get a font-family. But different font families may
have different sets of attributes available.

Here are some attributes that come to my mind:

ligatures: sans-serif, serif
weight: thin, medium, bold, heavy
slantedness: left, upright, right
monospace: false, true
extendedness: narrow, condensed, normal, extended
outline: false, true
shaded: false, true

A full attribute would be a choice of tuples
 (ligatures, weight, slantedness, monospace, extendedness, outline, shaded)
and a set of fonts with different atributes would be a font family. Some
attributes may be needed to be made more detailed by more choices.

>This the Persian model only. Then you need Latin. For each of the styles
>that also may contain Latin text, they should use an equivalent fonts
>that goes with it. There are some difficulties here also, one of them
>being the different direction and hence different slants: there are few
>backslanted Latin fonts, so you need to use slanted or italic Latin with
>backslanted Persian (which is as ugly as any backslanted font in any

So this might be possible then with such a model.

  Hans Aberg