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From: Rik Kabel <ConTeXt@rik.users.panix.com>
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Subject: [NTG-context] Re: Zigzag left margin with italics
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On 2024-11-04 01:35, Mikael Sundqvist wrote:
> \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

That, of course, works (I would use 0.175 for Libertinus) but as you 
point out does not distinguish roman and italic.

Perhaps instead of protrusion there is something that can be done with 
the bounding box of specific characters.

-- 
Rik

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    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  </head>
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    <p><br>
    </p>
    <div class="moz-cite-prefix">On 2024-11-04 01:35, Mikael Sundqvist
      wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:CAHy-LL-s-9Vu-q6rXfvKvA4xtQBtOZ-fZSDpaLP2Lha7o2dcWw@mail.gmail.com">
      <pre class="moz-quote-pre" wrap="">\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</pre>
    </blockquote>
    <p>That, of course, works (I would use 0.175 for Libertinus) but as
      you point out does not distinguish roman and italic.</p>
    <p>Perhaps instead of protrusion there is something that can be done
      with the bounding box of specific characters.</p>
    <p>-- <br>
      Rik<br>
    </p>
  </body>
</html>

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