Hi Jano,

Seems to me that there are a few options and you might need more than one of them, depending on the font/typefaces you are using (which obviously influences things):

1. One factor will be whether you are using \definefontfeature  [default][default]  [expansion=quality,protrusion=quality], which you obviously then need to call in with \setupalign. https://wiki.contextgarden.net/Command/setupalign

2. Another factor will be \setupspacing https://wiki.contextgarden.net/Command/setupspacing

3. A third factor might be the need to tweak things a bit once you take a look at what is produced, and where you might need to use a couple of other options, be it \, \nospace, \thinspace....

For example, I have found that for a particular project I am working on at the moment, my best setup does not include protrusion, but I use

\setupalign
[hz,nothyphenated,verytolerant,stretched], and

\setuplanguage[en][spacing=packed].

This latter especially because I want to avoid some rather ugly spaces after a period. Then once I see how things look, I apply {\kerncharacters[-0.025] my text} in particular instances where things need to be tidied up. I have found that -0.025 works well in my situation.

Not at all sure if all the above is what the purists would do, but from a practical point of view it works for me. Hope it helps.

Julian

On 21/10/20 1:12 am, Jano Kula wrote:

Hello,

trying to reproduce the hand-printed original as close as possible I'm using \setupcharacterkerning. I can match character kerning, but inter-word spaces are different. What is the right option, command or feature to change it for current font and/or in the font definition? I haven't found any.

MWE
% macros=mkiv
\setupcharacterkerning[large][factor=0.1]
\setcharacterkerning[large]  
\starttext
\input knuth
\stoptext


Thank you,
Jano

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