Hi Mikael et al,
On Mon, Jan 13, 2025 at 07:44 (+0100), Mikael Sundqvist wrote:
> Hi,
> On Mon, Jan 13, 2025 at 1:43 AM Jim <zlists+cont...@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.)
At the risk of citing an example using a deprecated feature, in
https://wiki.contextgarden.net/Tables/Deprecated/Table
the following example is shown:
\starttable[|M|c|]
\HL
\VL \VL a \VL \AR
\DC \DL[1] \DR
\VL \smash{\displaystyle\sum_0^N} \VL b \VL \AR
\DC \DL[1] \DR
\VL \VL c \VL \AR
\HL
\stoptable
Without \smash{}, the second row is higher than (presumably) whomever wrote
the example wanted. I can imagine someone wanting to do something like
that in another type of table, even using a non-deprecated type of table.
(I added \displaystyle to the example yesterday to make it do what the
example's author intended.)
> PS $$ is not meant to be used in ConTeXt. If you want inline math in
> display style, use \dm {}, and if you want displayed formulas in display
> style, use \startformula \stopformula.
Yeah... as a very-long-time plain TeX user, old habits die hard (and I am
not using any math in my current main use of ConTeXt).
The main reason for using $$ in my report was because that is what is in
the wiki page. (And the issue is still there with \startformula and
\stopformula anyway.)
Cheers.
Jim
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