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From: Denis Maier via ntg-context <ntg-context@ntg.nl>
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Subject: Re: blockligatures removing characters
Date: Mon, 9 May 2022 07:56:48 +0000
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Happens here as well, already on  ConTeXt  ver: 2022.03.12 17:56 LMTX.

By the way, this even happens without special fonts:

\blockligatures[Th]
\definefontfeature[default:blocklig][default][liga=3Dyes,blockligatures=3Dy=
es]

\setupbodyfont[myfont]

\starttext
        \definedfont[Serif*default:blocklig]
    The This These are missing the `h'
\stoptext



Von: ntg-context <ntg-context-bounces@ntg.nl> Im Auftrag von Ben Moon via n=
tg-context
Gesendet: Samstag, 7. Mai 2022 17:49
An: Context Mailing List <ntg-context@ntg.nl>
Cc: Ben Moon <ben@themoons.uk>
Betreff: [NTG-context] blockligatures removing characters

Hi List,

I'm using blockligatures to avoid the 'Th' ligature in some fonts but keep =
others. Recently I've found this removes the 'h' completely, i.e. 'Th' is c=
hanged to 'T', 'The' becomes 'Te' etc.

Is there a way to restore the blockligatures functionality? I'm on ConTeXt =
version 2022.05.02 16:19.

Here is a MWE using Almendra (https://fonts.google.com/specimen/Almendra<ht=
tps://fonts.google.com/specimen/Almendra?preview.text=3DTh%20Almost%20befor=
e%20we%20knew%20it,%20we%20had%20left%20the%20ground.%20&preview.text_type=
=3Dcustom>) from Google Fonts.

```
\starttypescriptcollection[myfont]

    \starttypescript[myfont]
        \definefontsynonym[Serif][Almendra-Regular][features=3Ddefault]
    \stoptypescript

    \starttypescript[myfont]
        \definetypeface[\typescriptone][rm][serif][myfont][default][]
    \stoptypescript

\stoptypescriptcollection

\blockligatures[Th]

\definefontfeature[default][default][liga=3Dyes]
\definefontfeature[default:nolig][default][liga=3Dno]
\definefontfeature[default:blocklig][default][liga=3Dyes,blockligatures=3Dy=
es]

\setupbodyfont[myfont]

\starttext
    The This These have the Th ligature and others (fi)

    \definedfont[Serif*default:nolig]
    The This These have no ligatures (not fi)

    \definedfont[Serif*default:blocklig]
    The This These are missing the `h' (fi)
\stoptext
```

Best,
Ben

--_000_bb26e36dfc784b429ac103978373c7ebunibech_
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osoft-com:office:office" xmlns:w=3D"urn:schemas-microsoft-com:office:word" =
xmlns:m=3D"http://schemas.microsoft.com/office/2004/12/omml" xmlns=3D"http:=
//www.w3.org/TR/REC-html40">
<head>
<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dus-ascii"=
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<meta name=3D"Generator" content=3D"Microsoft Word 15 (filtered medium)">
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</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext=3D"edit">
<o:idmap v:ext=3D"edit" data=3D"1" />
</o:shapelayout></xml><![endif]-->
</head>
<body lang=3D"DE-CH" link=3D"blue" vlink=3D"purple" style=3D"word-wrap:brea=
k-word">
<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span lang=3D"FR-CH" style=3D"mso-fareast-language:E=
N-US">Happens here as well, already on &nbsp;ConTeXt&nbsp; ver: 2022.03.12 =
17:56 LMTX.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"FR-CH" style=3D"mso-fareast-language:E=
N-US"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"mso-fareast-language:EN-US">By the wa=
y, this even happens without special fonts:<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"mso-fareast-language:EN-US"><o:p>&nbs=
p;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"mso-fareast-language:EN-US">\blocklig=
atures[Th]<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"mso-fareast-language:EN-US">\definefo=
ntfeature[default:blocklig][default][liga=3Dyes,blockligatures=3Dyes]<o:p><=
/o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"mso-fareast-language:EN-US"><o:p>&nbs=
p;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"mso-fareast-language:EN-US">\setupbod=
yfont[myfont]<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"mso-fareast-language:EN-US"><o:p>&nbs=
p;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"mso-fareast-language:EN-US">\starttex=
t<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"mso-fareast-language:EN-US">&nbsp;&nb=
sp;&nbsp; </span><span lang=3D"FR-CH" style=3D"mso-fareast-language:EN-US">=
&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=3D"mso-fareast-language:EN-US">\=
definedfont[Serif*default:blocklig]<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"mso-fareast-language:EN-US">&nbsp;&nb=
sp;&nbsp; The This These are missing the `h'<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"mso-fareast-language:EN-US">\stoptext=
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"mso-fareast-language:EN-US"><o:p>&nbs=
p;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"mso-fareast-language:EN-US"><o:p>&nbs=
p;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"mso-fareast-language:EN-US"><o:p>&nbs=
p;</o:p></span></p>
<div style=3D"border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm =
4.0pt">
<div>
<div style=3D"border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm =
0cm 0cm">
<p class=3D"MsoNormal"><b><span lang=3D"DE">Von:</span></b><span lang=3D"DE=
"> ntg-context &lt;ntg-context-bounces@ntg.nl&gt;
<b>Im Auftrag von </b>Ben Moon via ntg-context<br>
<b>Gesendet:</b> Samstag, 7. Mai 2022 17:49<br>
<b>An:</b> Context Mailing List &lt;ntg-context@ntg.nl&gt;<br>
<b>Cc:</b> Ben Moon &lt;ben@themoons.uk&gt;<br>
<b>Betreff:</b> [NTG-context] blockligatures removing characters<o:p></o:p>=
</span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<div>
<p class=3D"MsoNormal">Hi List,<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal">I'm using blockligatures to avoid the 'Th' ligature =
in some fonts but keep others. Recently I've found this removes the 'h' com=
pletely, i.e. 'Th' is changed to 'T', 'The' becomes 'Te' etc.&nbsp;<o:p></o=
:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal">Is there a way to restore the blockligatures functio=
nality? I'm on ConTeXt version&nbsp;2022.05.02 16:19.<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal">Here is a MWE using Almendra (<a href=3D"https://fon=
ts.google.com/specimen/Almendra?preview.text=3DTh%20Almost%20before%20we%20=
knew%20it,%20we%20had%20left%20the%20ground.%20&amp;preview.text_type=3Dcus=
tom">https://fonts.google.com/specimen/Almendra</a>)
 from Google Fonts.<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal">```<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">\starttypescriptcollection[myfont]<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp; \starttypescript[myfont]<o:p></o:=
p></p>
</div>
<div>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \definefo=
ntsynonym[Serif][Almendra-Regular][features=3Ddefault]<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp; \stoptypescript<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp; \starttypescript[myfont]<o:p></o:=
p></p>
</div>
<div>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \definety=
peface[\typescriptone][rm][serif][myfont][default][]<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp; \stoptypescript<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal">\stoptypescriptcollection<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal">\blockligatures[Th]<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal">\definefontfeature[default][default][liga=3Dyes]<o:p=
></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">\definefontfeature[default:nolig][default][liga=3Dno=
]<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">\definefontfeature[default:blocklig][default][liga=
=3Dyes,blockligatures=3Dyes]<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal">\setupbodyfont[myfont]<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal">\starttext<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp; The This These have the Th ligatu=
re and others (fi)<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp; \definedfont[Serif*default:nolig]=
<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp; The This These have no ligatures =
(not fi)<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp; \definedfont[Serif*default:blockl=
ig]<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">&nbsp;&nbsp;&nbsp; The This These are missing the `h=
' (fi)<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">\stoptext<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">```<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal">Best,<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">Ben<o:p></o:p></p>
</div>
</div>
</div>
</body>
</html>

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