Hi Massi, \Unskewed is undefined/unrecognized. Enabling Opentype math (somehow) or perhaps an experimental version of luatex is needed? Alan On Tue, 22 May 2018 18:29:30 +0200 MF wrote:

Hi Alan, try this:

\def\vFrac#1#2{#1 \Uskewed / #2}

\starttext $\frac{2_1}{m}$

${2_1 \Uskewed / m}$

$\vFrac{2_1}{m}$ \stoptext

See "5.7 Skewed fractions", in the manual still.pdf.

Hope it helps, greetings, Massi

...

Is there a version of the vulgarfraction that works in math mode?

MWE:

\starttext $\vfrac{2_1}{m}$ \stoptext

Alan

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On Tue, 22 May 2018 14:30:16 -0400 (EDT) Aditya Mahajan wrote:

On Tue, 22 May 2018, Alan Braslau wrote:

...

\Unskewed is undefined/unrecognized.

It is \Uskewed (not\Unskewed).

Aditya

My typo! Also, requires extra braces: \def\vfrac#1#2{{{#1} \Uskewed / {#2}}} I have to say, however, that the result (scriptsizing the numerator and denominator), when used for symmetry operations, is not as nice as \def\vfrac#1#2{#1\!/\!#2} $\vfrac{4_1}{m}$ Nevertheless, the default definition: \let\vfrac\vulgarfraction that is, \vulgarfraction, needs to be *fixed* to work within math mode (as well as outside of math mode). Alan