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From: Ursula Hermann via ntg-context <ntg-context@ntg.nl>
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Subject: Re: Is this possible to do the same
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Thread-Topic: [NTG-context] Is this possible to do the same
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Dear Gavin!
Many thanks for your Mail.

Uschi
________________________________
Von: ntg-context <ntg-context-bounces@ntg.nl> im Auftrag von Gavin via ntg-=
context <ntg-context@ntg.nl>
Gesendet: Montag, 12. Dezember 2022 16:48:52
An: mailing list for ConTeXt users
Cc: Gavin
Betreff: Re: [NTG-context] Is this possible to do the same

Hi Uschi,

I use the MetaFun features of ConTeXt to cross out stuff.

% Cancel command for use in equations.
\startuniqueMPgraphic{cross out}
  picture cross;
  cross :=3D image(draw (0,0)--(1,1); draw (0,1)--(1,0););
  draw cross xscaled \overlaywidth yscaled \overlayheight withpen pencircle=
 scaled .8pt ;
\stopuniqueMPgraphic

\defineoverlay[canceloverlay][\uniqueMPgraphic{cross out}]

\define[1]\cancel{%
  \ifmmode
    \mframed[background=3Dcanceloverlay, frame=3Doff, offset=3Doverlay]{{#1=
}}%
  \else%
    \framed[background=3Dcanceloverlay, frame=3Doff, offset=3Doverlay]{{#1}=
}%
  \fi%
}

\starttext

\dots E.g.~$\cancel{x+ {-x}}$. Works in \cancel{text}, too.

\stoptext

I do not have all of the features of the =93cancel=94 package, but it works=
 for a simple cross out. Change the MetaPost code to a single slash, if tha=
t is what you want, by removing either one of the draw commands.

Hope that helps. If you need more features, I=92d might be able to help you=
 implement them.

Gavin


> On Dec 12, 2022, at 8:21 AM, Ursula Hermann via ntg-context <ntg-context@=
ntg.nl> wrote:
>
> Dear List!
>  Sorry, but my pdf was too big.
> So I send a little picture.<image001.jpg> I would like to know, if there =
is a modus in ConTeXt like the same in LaTeX. I found this on page 108,  Ch=
apter 3 Math symbos LaTeX Compherensive list.
> Many thanks
> Uschi  __________________________________________________________________=
_________________
> 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-c=
ontext
> webpage  : https://www.pragma-ade.nl / http://context.aanhet.net
> archive  : https://bitbucket.org/phg/context-mirror/commits/
> wiki     : https://contextgarden.net
> _________________________________________________________________________=
__________


___________________________________________________________________________=
________
If your question is of interest to others as well, please add an entry to t=
he Wiki!

maillist : ntg-context@ntg.nl / https://www.ntg.nl/mailman/listinfo/ntg-con=
text
webpage  : https://www.pragma-ade.nl / http://context.aanhet.net
archive  : https://bitbucket.org/phg/context-mirror/commits/
wiki     : https://contextgarden.net
___________________________________________________________________________=
________

--_000_76dd932197964a1293d11dd1a835c0efunivieacat_
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<html>
<head>
<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3DWindows-1=
252">
<meta name=3D"Generator" content=3D"Microsoft Exchange Server">
<!-- converted from text --><style><!-- .EmailQuote { margin-left: 1pt; pad=
ding-left: 4pt; border-left: #800000 2px solid; } --></style>
</head>
<body>
<div>Dear Gavin! <br>
Many thanks for your Mail. <br>
<br>
Uschi
<hr tabindex=3D"-1" style=3D"display:inline-block; width:98%">
<div id=3D"x_divRplyFwdMsg" dir=3D"ltr"><font face=3D"Calibri, sans-serif" =
color=3D"#000000" style=3D"font-size:11pt"><b>Von:</b> ntg-context &lt;ntg-=
context-bounces@ntg.nl&gt; im Auftrag von Gavin via ntg-context &lt;ntg-con=
text@ntg.nl&gt;<br>
<b>Gesendet:</b> Montag, 12. Dezember 2022 16:48:52<br>
<b>An:</b> mailing list for ConTeXt users<br>
<b>Cc:</b> Gavin<br>
<b>Betreff:</b> Re: [NTG-context] Is this possible to do the same</font>
<div>&nbsp;</div>
</div>
</div>
<font size=3D"2"><span style=3D"font-size:10pt;">
<div class=3D"PlainText">Hi Uschi,<br>
<br>
I use the MetaFun features of ConTeXt to cross out stuff.<br>
<br>
% Cancel command for use in equations.<br>
\startuniqueMPgraphic{cross out}<br>
&nbsp; picture cross;<br>
&nbsp; cross :=3D image(draw (0,0)--(1,1); draw (0,1)--(1,0););<br>
&nbsp; draw cross xscaled \overlaywidth yscaled \overlayheight withpen penc=
ircle scaled .8pt ;<br>
\stopuniqueMPgraphic<br>
<br>
\defineoverlay[canceloverlay][\uniqueMPgraphic{cross out}]<br>
<br>
\define[1]\cancel{%<br>
&nbsp; \ifmmode<br>
&nbsp;&nbsp;&nbsp; \mframed[background=3Dcanceloverlay, frame=3Doff, offset=
=3Doverlay]{{#1}}%<br>
&nbsp; \else%<br>
&nbsp;&nbsp;&nbsp; \framed[background=3Dcanceloverlay, frame=3Doff, offset=
=3Doverlay]{{#1}}%<br>
&nbsp; \fi%<br>
}<br>
<br>
\starttext<br>
<br>
\dots E.g.~$\cancel{x&#43; {-x}}$. Works in \cancel{text}, too.<br>
<br>
\stoptext<br>
<br>
I do not have all of the features of the =93cancel=94 package, but it works=
 for a simple cross out. Change the MetaPost code to a single slash, if tha=
t is what you want, by removing either one of the draw commands.<br>
<br>
Hope that helps. If you need more features, I=92d might be able to help you=
 implement them.<br>
<br>
Gavin<br>
<br>
<br>
&gt; On Dec 12, 2022, at 8:21 AM, Ursula Hermann via ntg-context &lt;ntg-co=
ntext@ntg.nl&gt; wrote:<br>
&gt; <br>
&gt; Dear List!<br>
&gt;&nbsp; Sorry, but my pdf was too big.<br>
&gt; So I send a little picture.&lt;image001.jpg&gt; I would like to know, =
if there is a modus in ConTeXt like the same in LaTeX. I found this on page=
 108,&nbsp; Chapter 3 Math symbos LaTeX Compherensive list.<br>
&gt; Many thanks<br>
&gt; Uschi&nbsp; __________________________________________________________=
_________________________<br>
&gt; If your question is of interest to others as well, please add an entry=
 to the Wiki!<br>
&gt; <br>
&gt; maillist : ntg-context@ntg.nl / <a href=3D"https://www.ntg.nl/mailman/=
listinfo/ntg-context">
https://www.ntg.nl/mailman/listinfo/ntg-context</a><br>
&gt; webpage&nbsp; : <a href=3D"https://www.pragma-ade.nl">https://www.prag=
ma-ade.nl</a> / <a href=3D"http://context.aanhet.net">
http://context.aanhet.net</a><br>
&gt; archive&nbsp; : <a href=3D"https://bitbucket.org/phg/context-mirror/co=
mmits/">https://bitbucket.org/phg/context-mirror/commits/</a><br>
&gt; wiki&nbsp;&nbsp;&nbsp;&nbsp; : <a href=3D"https://contextgarden.net">h=
ttps://contextgarden.net</a><br>
&gt; ______________________________________________________________________=
_____________<br>
<br>
<br>
___________________________________________________________________________=
________<br>
If your question is of interest to others as well, please add an entry to t=
he Wiki!<br>
<br>
maillist : ntg-context@ntg.nl / <a href=3D"https://www.ntg.nl/mailman/listi=
nfo/ntg-context">
https://www.ntg.nl/mailman/listinfo/ntg-context</a><br>
webpage&nbsp; : <a href=3D"https://www.pragma-ade.nl">https://www.pragma-ad=
e.nl</a> / <a href=3D"http://context.aanhet.net">
http://context.aanhet.net</a><br>
archive&nbsp; : <a href=3D"https://bitbucket.org/phg/context-mirror/commits=
/">https://bitbucket.org/phg/context-mirror/commits/</a><br>
wiki&nbsp;&nbsp;&nbsp;&nbsp; : <a href=3D"https://contextgarden.net">https:=
//contextgarden.net</a><br>
___________________________________________________________________________=
________<br>
</div>
</span></font>
</body>
</html>

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