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=yes,blockligatures=yes]
\setupbodyfont[myfont]
\starttext
\definedfont[Serif*default:blocklig]
The This These are missing the `h'
\stoptext
Von: ntg-context <ntg-context-boun...@ntg.nl> Im Auftrag von Ben Moon via
ntg-context
Gesendet: Samstag, 7. Mai 2022 17:49
An: Context Mailing List <ntg-context@ntg.nl>
Cc: Ben Moon <b...@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
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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