Math fonts are broken. In fact, even with compact fonts disabled, math
fonts aren't working properly.

Jairo

El vie, 29 de ene. de 2021 a la(s) 16:18, Jairo A. del Rio (
jairoadelrio6@gmail.com) escribió:

> Same here. It compiles well when the math font definition is commentend.
> The error seems to be there:
>
> \setfontid
>
>
> <to be read again>
>
> \3>mainface-12pt-mm-mr--1
>
> <macro> \font_helpers_low_level_define_compact ...ec \empty \let
> \lastrawfontcall \relax \mutable \letcsname #2\endcsname \relax \else \edef
> \somefontspec {at \number \ETC.
>
> <macro> \font_helpers_trigger_define ...\def \v_font_size_relative
> {#1}\def \v_font_size_absolute {#2}\font_helpers_low_level_define
> {#3}\v_font_identifier_class
>
> \csname \v_font_identifier_class \endcsname \setfalse \c_font_auto_size
> \ifskipfontcharacteristics \else \setfontcharacter...
>
>
> <macro> \m_font_class_direction ...fcsname \??fontinstanceready \fontclass
> -\fontbody -\s!mm -\fontfamily \endcsname \settrue \c_font_auto_size
> \lastnamedcs
>
> \else \font_helpers_set_math_family_b \fi
>
>
> <macro> \font_helpers_set_math_family_indeed_compact
> ..._family_set_scales_compact \let \mathsizesuffix \mathtextsuffix \let
> \fontface \!!plusone \font_helpers_set_math_family_a
>
> \textfont #1\font \font_helpers_set_math_family_a \textfont #1\font
> \scriptfont #1\font \scriptscriptfont #1\font \let \ma...
>
>
> <macro> \font_helpers_set_math_family ...!mm -#2-\fontsize -1\endcsname
> \font_helpers_preset_math_family_indeed #1#2\else
> \font_helpers_set_math_family_indeed #1#2
>
> \fi \else \font_helpers_set_math_family_indeed #1#2\fi
>
> Jairo
>
> El vie, 29 de ene. de 2021 a la(s) 15:59, Pablo Rodriguez (oinos@gmx.es)
> escribió:
>
>> Dear list,
>>
>> this sample cannot be compiled with latest LMTX (2021.01.29 19:44).
>>
>>   \enableexperiments[fonts.compact]
>>
>>   \definefontfamily
>>       [mainface]
>>       [rm]
>>       [TeX Gyre Pagella]
>>
>>   \definefontfamily
>>       [mainface]
>>       [mm]
>>       [TeX Gyre Pagella Math]
>>
>>   \setupbodyfont
>>       [mainface, 12pt]
>>
>>   \starttext
>>     \input zapf
>>   \stoptext
>>
>> I get the following error message:
>>
>>   I was looking for a control sequence whose current meaning
>>   has been defined by \font or a valid font id number.
>>   mtx-context     | fatal error: return code: 256
>>
>> Previous latest from compiles the sample perfectly fine.
>>
>> Could anyone confirm this bug?
>>
>> Mamy thanks for your help,
>>
>> Pablo
>> --
>> http://www.ousia.tk
>>
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>