Re: what does rscale=auto achieve?

[Wolfgang Schuster <schuster.wolfgang@gmail.com>]

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> Pablo Rodriguez <mailto:oinos@gmx.es>
> 15. Mai 2016 um 16:58
> Dear list,
>
> I have the following sample:
>
> \definefallbackfamily
> [mainface]
> [rm]
> [DejaVu Serif]
> [preset=range:cyrillic, rscale=auto]
>
> \definefallbackfamily
> [mainface]
> [rm]
> [GFS Didot]
> [preset=range:greek, rscale=auto]
>
> \definefontfamily
> [mainface]
> [rm]
> [TeX Gyre Termes]
>
> \setupbodyfont[mainface]
>
> \starttext
> \startTEXpage[offset=1em]
> аaα
> \stopTEXpage
> \stoptext
>
> I thought that "rscale=auto" would scale the typeface so that its
> x-height would match the x-height from the main typeface.
>
> Since I don’t see any scaling, could anyone explain me what I’m missing?
1. Only \definetypeface supports rscale=auto, the \definefontfallback 
accepts only number values for the rscale key.

2. You have to use scale instead of rscale for the \definefontfamily and 
\definefallbackfamily commands for the moment but I will change it to 
rscale.

Wolfgang

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