Hi, Hans. :)
Is there an analogue for display math? Could discretionaries be applicable
to math formulas when "split=yes" is enabled, for instance?

Thank you in advance.

Jairo :)

El lun., 31 de ago. de 2020 a la(s) 15:21, Hans Hagen (j.hagen@xs4all.nl)
escribió:

> Hi,
>
> In order to keep the 'context is good for toy math' reputation up to
> date, in lmtx we can now have proper discretionaries in math and math in
> discretionaries. The kind of things no one asks for but they might be
> useful in educational settings.
>
> Here are some examples ():
>
> \starttext
>
> \showframe
>
> \enabletrackers[math.toysymbol]
>
> \definemathtoysymbol[Plus] [bin][+]
> \definemathtoysymbol[Minus][bin][-]
> \definemathtoysymbol[Equal][rel][=]
>
> $\dorecurse{199} {
>      x_{#1} \ifodd#1\relax\Plus\else\Minus\fi
> } x_{200} \Equal n$
>
> \blank
>
> \dorecurse{10} {
>      test \discretionary
>          {\darkred   hel  $\sqrt{y}$ lo}
>          {\darkgreen good $\sqrt{z}$ bye}
>          {\darkblue  wel  $\sqrt{x}$ come} test
> }
>
> \blank
>
> \dorecurse{10} {test me #1
>      $x + 2x \discretionary class 2
>          {$+ \, \cdots $}
>          {$     \cdots \, +$}
>          {$+ \, \cdots \, +$} nx$ test
> }
>
> \stoptext
>
> You might be able to guess from this code what is supposed to happen.
> I'll play a bit more with this later (assuming that it's somehow
> useful). We could predefine a bunch. As usual there might be issues but
> I'll sort them out when we run into them (it's a non critical feature
> with not much impact).
>
> Hans
>
> (who must not forget to document it somewhere)
>
>
> -----------------------------------------------------------------
>                                            Hans Hagen | PRAGMA ADE
>                Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
>         tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
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