\startformula

\overbrace{1+x^2+a}^{=3D = -1} +

\underbrace{ax^2 + bx + c}_{=3D2} =3D = 1

\stopformula

and it works great !

Best regards : = Otared

On 23 Feb 2023, at 22:07, Hans Hagen via ntg-context <ntg-context@ntg.nl> = wrote:

Hi,

I uploaded a new version. We = further improved Antykwa support,

\switchtobodyfont[antykwa]

\startTEXpage[offset=3D1dk]
=    \im{
=        f' =3D f'' =3D f''' =3D f'''' = =3D
       a + b + = \ldots + c +
=        \overbar{x} + \overbar{S} + = \bar{x} + \widebar{x}
   }
   \im{
=        \fenced[doublebar]{x} =3D
=        \fenced[doublebar][size=3D1]{x_1= } =3D
=        \fenced[doublebar][size=3D2]{x_2= } =3D
=        \fenced[doublebar][size=3D3]{x_3= } =3D
=        \fenced[doublebar][size=3D4]{x_4= } =3D
=        \fenced[doublebar]{\blackrule[wi= dth=3D1cm,height=3D1cm]}
   }

   \im{
=        \fenced[bar]{x} =3D
=        \fenced[bar][size=3D1]{x_1} = =3D
=        \fenced[bar][size=3D2]{x_2} = =3D
=        \fenced[bar][size=3D3]{x_3} = =3D
=        \fenced[bar][size=3D4]{x_4} = =3D
=        \fenced[bar]{\blackrule[width=3D= 1cm,height=3D1cm]}
   }

   \im{
=        \fenced[brace]{x} =3D
=        \fenced[brace][size=3D1]{x_1} = =3D
=        \fenced[brace][size=3D2]{x_2} = =3D
=        \fenced[brace][size=3D3]{x_3} = =3D
=        \fenced[brace][size=3D4]{x_4} = =3D
=        \fenced[brace]{\blackrule[width=3D= 1cm,height=3D1cm]}
   }

   \im{
=        \root[4]{1+x^2+a} +
       \frac{1}{1+x^2+a} = +
=        \overparent{1+x^2+a} +
=        \overbrace{1+x^2+a} +
       \overparent{x} = +
       \overbrace{x} = +
=        \overbrace{i}
=    }

\stopTEXpage

This time with fancy radical = bars, fraction bars, vertical bars, over and underbars etc.

Hans

---------------------------------------------------------------= --
=             &n= bsp;           &nbs= p;            =     Hans Hagen | PRAGMA ADE
=             &n= bsp;Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
=       tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
---------------------------------------------------------------= --
_______________________________________________________________= ____________________
If your question is of interest to = others as well, please add an entry to the Wiki!

maillist : ntg-context@ntg.nl / https://www.ntg.nl/mailman/listinfo/ntg-context
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archive : = https://bitbucket.org/phg/context-mirror/commits/
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_______________________________________________________________= ____________________

Otared Kavian

e-mail: = otared@gmail.com

Phone: +33 6 88 26 70 95