[NTG-context] blockligatures removing characters
Ben Moon
ben at themoons.uk
Sat May 7 17:49:27 CEST 2022
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 changed 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 <https://fonts.google.com/specimen/Almendra?preview.text=Th%20Almost%20before%20we%20knew%20it,%20we%20had%20left%20the%20ground.%20&preview.text_type=custom>) from Google Fonts.
```
\starttypescriptcollection[myfont]
\starttypescript[myfont]
\definefontsynonym[Serif][Almendra-Regular][features=default]
\stoptypescript
\starttypescript[myfont]
\definetypeface[\typescriptone][rm][serif][myfont][default][]
\stoptypescript
\stoptypescriptcollection
\blockligatures[Th]
\definefontfeature[default][default][liga=yes]
\definefontfeature[default:nolig][default][liga=no]
\definefontfeature[default:blocklig][default][liga=yes,blockligatures=yes]
\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
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