From: Hans Hagen via ntg-context <ntg-context@ntg.nl>
To: ntg-context@ntg.nl
Cc: Hans Hagen <j.hagen@freedom.nl>
Subject: [NTG-context] Re: How hard should something get \smash-ed ?
Date: Mon, 13 Jan 2025 08:49:07 +0100 [thread overview]
Message-ID: <2d2fa7b5-5e52-4786-8193-c1ab04d0b043@freedom.nl> (raw)
In-Reply-To: <CAHy-LL8H0OvDJyDotVF6D5BNA8r5Swncieha+qi40r18jYDqNw@mail.gmail.com>
On 1/13/2025 7:44 AM, Mikael Sundqvist wrote:
> Hi,
>
> On Mon, Jan 13, 2025 at 1:43 AM Jim <zlists+context@jdvb.ca
> <mailto:zlists%2Bcontext@jdvb.ca>> wrote:
>
> Hi,
>
> In plain TeX,
>
> $$\smash{\sum_0^n}$$
>
> is set in \displaystyle, just like
>
> $$\smash{\sum_0^n}$$
>
>
> However, ConTeXt
>
> \starttext
> $$\smash{\sum^0_n}$$
> \stoptext
>
> outputs the above in \textstyle, whereas
>
> \starttext
> $$\sum^0_n$$
> \stoptext
>
> is in (of course(?)) \displaystyle.
>
> Is this difference intentional?
>
>
> Thanks for reporting. I don't think it is intentional. (Can you show
> your real world example where \smash is needed? It seems to not really
> be used in any macro in ConTeXt.)
>
> /Mikael
>
> PS $$ is not meant to be used in ConTeXt. If you want inline math in
> display style, use \dm {}, and if you want displayed formulas in display
> style, use \startformula \stopformula.
% put this in cont-new.mkxl
\unprotect
\protected\def\syst_boxes_math_set_nextbox#1%
{\setbox\nextbox\hbox\expandafter\bgroup
\expandafter\Ustartmathmode\the\mathstyle
\mathsurround\zeropoint{#1}%
\Ustopmathmode
\egroup}
\protect
to get this right
\starttext
\ruledhbox{\smash{$\sum^0_n$}} \blank
\ruledhbox{\smash{$\displaystyle\sum^0_n$}} \blank
\ruledhbox{$\smash{\sum^0_n}$} \blank
\ruledhbox{$\displaystyle\smash{\sum^0_n}$} \blank
\stoptext
Hans
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next prev parent reply other threads:[~2025-01-13 7:50 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-01-13 0:40 [NTG-context] " Jim
2025-01-13 6:44 ` [NTG-context] " Mikael Sundqvist
2025-01-13 7:49 ` Hans Hagen via ntg-context [this message]
2025-01-13 15:21 ` Jim
2025-01-13 14:58 ` Jim
2025-01-13 16:14 ` Hans Hagen via ntg-context
2025-01-13 16:28 ` Jim
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