Mikael Sundqvist schrieb am 04.11.2024 um 07:35:
Hi,

You can try this below (from test suite), but then, as you see, also
upright T will move out. Not sure how/if you can control that.

\startluacode

local classes = fonts.protrusions.classes
local vectors = fonts.protrusions.vectors

classes.rik = {
     vector = 'rik',
     factor = 1,
}

vectors.rik = table.merged (
     vectors.quality,
     {
       [0x0054] = { 0.35, 0 }, -- T
     })

\stopluacode

\definefontfeature
   [default]
   [default]
   [protrusion=rik,expansion=quality]

Define a feature which sets only the custom protrusion values:

\definefontfeature [rik] [protrusion=quality]

and create a new typeface where you apply the new feature to the italic/slanted style:

\definefontfamily [riktimes] [rm] [TeX Gyre Termes] [sl=features:{default,rik}]

Afterwards use \seupbodyfont[riktimes] to access the new typeface.

Wolfgang
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