I can confirm. My workaround which predates the stylealternative
mechanism also stopped working, so there must be an issue on the level
of font feature selection.
\definefontfeature [math-text] [math-text] [ss04=yes]
\definefontfeature [math-script] [math-script] [ss04=yes]
\definefontfeature [math-scriptscript] [math-scriptscript] [ss04=yes]
\setupbodyfont[lucidaot]
\starttext
\startTEXpage[offset=3bp]
$\mathcal A$
\stopTEXpage
\stoptext
On 2/22/19 8:35 PM, Mikael P. Sundqvist wrote:
> Hi,
>
> It seems that, with the latest beta, the \setupmathematics with
> stylealternative is not working.
>
> I tried
>
> \setupbodyfont[lucidaot]
> \setupmathematics[stylealternative={calligraphic}]
> \starttext
> \startTEXpage[offset=3bp]
> $\mathcal A$
> \stopTEXpage
> \stoptext
>
> and got the attached output lcm.png. This is not the curly A I would
> expect. The one I expect is the one that can be seen on top of page 9
> in https://tug.org/store/lucida/lucida-amsmath.pdf.
>
> I also noticed that the example file that I have seen earlier on this
> list, pasted below, does not seem to change anything.
>
> Has anything changed?
>
> /Mikael
>
> % second example
> \setupbodyfont[lucidaot]
>
> \starttext
>
> $x
> ^{i \leftarrow 0 = ∅}
> _{\setmathfontalternate{arrow}
> \setmathfontalternate{dotless}
> \setmathfontalternate{zero}
> i \leftarrow 0 = ∅}
> $
>
> $x
> ^{i \leftarrow 0 = ∅}
> _{\setmathfontalternate{arrow,dotless,zero}
> i \leftarrow 0 = ∅}
> $
>
> \setupmathematics[stylealternative={arrow,dotless,zero}]
>
> $x
> ^{i \leftarrow 0 = ∅}
> _{i \leftarrow 0 = ∅}
> $
>
> \stoptext
>
>
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If your question is of interest to others as well, please add an entry to the
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