On 4/12/2025 2:35 AM, Mohammad Hossein Bateni wrote:
> Hello,
>
> \addff (and \doaddfeature) no longer seem to work. What's the
> alternative to add/remove features on the fly?

nothing changed there

move the luacode before the \starttext or any place before the main font
is defined because features are bound to fonts so new ones have to be
defined beforehanbd

> MNWE:
>
> ===
> \starttext
> \startluacode
>    fonts.handlers.otf.addfeature{
>      name = "fanum",
>      type = "substitution",
>      data = {
>        [0x30] = 0x41  -- '0' => 'A'
>      }
>    }
> \stopluacode
> \definefontfeature[fanum][fanum=yes]
>    {0123
>      %\addff{fanum}
>      \doaddfeature{fanum}
>      0123  %% does not work
>      \definedfont[dejavusans*fanum]
>      0123  %% works
>    } 0123
> \stoptext
> ===
>
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