[NTG-context] Re: Zigzag left margin with italics

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

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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