Problem with \dfrac{}{} with lmtx updated

Problem with \dfrac{}{} with lmtx updated

[Fabrice Couvreur]

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Hi,
I just updated lmtx and I don't understand the error that occurs with the
\dfrac{}{}. Thank you.
Fabrice

#####################
\starttext
\m{f(x)=\dfrac{a + b\ln(x)}{x}}
\stoptext
#####################

tex error       > tex error on line 2 in file ./hans_21.tex: Math error:
parameter 'fractionnumup' in style 2 is not set


<macro> \math_m_nop #1->\relax \ifmmode #1\else \normalstartimath
#1\normalstopimath
    \fi
<line 3.2> \m{f(x)=\dfrac{a + b\ln(x)}{x}}



1     \starttext
2 >>  \m{f(x)=\dfrac{a + b\ln(x)}{x}}
3     \stoptext


Sorry, but I can't typeset math unless various parameters have been set.
This is
normally done by loading special math fonts into the math family slots.
Your font
set is lacking at least the parameter mentioned earlier.


mtx-context     | fatal error: return code: 256

TeX Output exited abnormally with code 1 at Thu Dec 24 16:30:13

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Re: Problem with \dfrac{}{} with lmtx updated

[Hans Hagen]

On 12/24/2020 4:37 PM, Fabrice Couvreur wrote:
> Hi,
> I just updated lmtx and I don't understand the error that occurs with 
> the \dfrac{}{}. Thank you.
> Fabrice
> 
> #####################
> \starttext
> \m{f(x)=\dfrac{a + b\ln(x)}{x}}
> \stoptext
> #####################
> 
> tex error       > tex error on line 2 in file ./hans_21.tex: Math error: 
> parameter 'fractionnumup' in style 2 is not set
> 
> 
> <macro> \math_m_nop #1->\relax \ifmmode #1\else \normalstartimath 
> #1\normalstopimath
>      \fi
> <line 3.2> \m{f(x)=\dfrac{a + b\ln(x)}{x}}
> 
> 
> 
> 1     \starttext
> 2 >>  \m{f(x)=\dfrac{a + b\ln(x)}{x}}
> 3     \stoptext
> 
> 
> Sorry, but I can't typeset math unless various parameters have been set. 
> This is
> normally done by loading special math fonts into the math family slots. 
> Your font
> set is lacking at least the parameter mentioned earlier.
strange .. it works here ... i'll remake bins on the compile farm, maybe 
something went wrong

Hans


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