[NTG-context] rscale with auto value

Pablo Rodriguez oinos at gmx.es
Wed Sep 26 17:06:57 CEST 2018


explaining the following sample to ConTeXt newbies, I have a problem:

    \setuppapersize[A5, landscape]
    \definefontfamily[mainface][rm][TeX Gyre Pagella]
    \definefontfamily[mainface][tt][DejaVu Sans Mono][rscale=0.825]
    \setupbodyfont[mainface, 22pt]
    This is available at {\tt https://contextarden.net}.

The problem is how to explain to someone who never used anything similar
to ConTeXt or TeX how she has to calculate the scale ratio. It is even
not simple to myself.

rscale is a useful option, but it would be great to have the auto value
that does all the math for the user.

Would it be possible that rscale could have the auto value?

Many thanks for your help,


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