math align broken

math align broken

[Mikael P. Sundqvist]

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Hi,

I hope this report is not a duplicate of another one. I updated lmtx today
(from http://lmtx.pragma-ade.nl/install-lmtx/context-linux-64.zip, a fresh
install in the folder), and found some strange things with math:

The file

%%% EXAMPLE
\starttext
\startformula
\startalign
\NC \int e^{2x}\sin 3x\,dx\NC=\int\Im e^{(2+3i)x}\,dx\NR
\NC\NC =\Im\int e^{(2+3i)x}\,dx\NR
\NC\NC = \Im\Bigl(\frac{1}{2+3i}e^{(2+3i)}\Bigr)\NR
\stopalign
\stopformula
From this we see that $\lim_{n\to+\infty}f(n)=0$.
\stoptext
%%%

gives the attached ex1.pdf. As we can see the spacing inside \startalign
\stopalign is wrong. Also, the "lim" in the example after the displayed
formula has disappeared.

Any clues?

/Mikael

(I tried in any case to remove cache and rebuild, but since it was a fresh
install, I could not see why it could help here. Thought I mention it
anyways.)

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Re: math align broken

[Otared Kavian]

Hi Mikael,

II tested your example and can confirm the issue, using lmtx version: 2019.12.15 17:34 on MacOS.

Best regards: OK

> On 15 Dec 2019, at 16:54, Mikael P. Sundqvist <mickep@gmail.com> wrote:
> 
> Hi,
> 
> I hope this report is not a duplicate of another one. I updated lmtx today (from http://lmtx.pragma-ade.nl/install-lmtx/context-linux-64.zip, a fresh install in the folder), and found some strange things with math:
> 
> The file
> 
> %%% EXAMPLE
> \starttext
> \startformula
> \startalign
> \NC \int e^{2x}\sin 3x\,dx\NC=\int\Im e^{(2+3i)x}\,dx\NR
> \NC\NC =\Im\int e^{(2+3i)x}\,dx\NR
> \NC\NC = \Im\Bigl(\frac{1}{2+3i}e^{(2+3i)}\Bigr)\NR
> \stopalign
> \stopformula
> From this we see that $\lim_{n\to+\infty}f(n)=0$.
> \stoptext
> %%%
> 
> gives the attached ex1.pdf. As we can see the spacing inside \startalign  \stopalign is wrong. Also, the "lim" in the example after the displayed formula has disappeared.
> 
> Any clues?
> 
> /Mikael
> 
> (I tried in any case to remove cache and rebuild, but since it was a fresh install, I could not see why it could help here. Thought I mention it anyways.)
> 
> <ex1.pdf>___________________________________________________________________________________
> If your question is of interest to others as well, please add an entry to the Wiki!
> 
> maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
> webpage  : http://www.pragma-ade.nl / http://context.aanhet.net
> archive  : https://bitbucket.org/phg/context-mirror/commits/
> wiki     : http://contextgarden.net
> ___________________________________________________________________________________

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___________________________________________________________________________________

Re: math align broken

[Jeong Dal]

Dear Mikael,

I also confirm your problem. 
I am using
"ConTeXt  ver: 2019.12.06 21:40 MKIV beta  fmt: 2019.12.9  int: english/english”

However, if you change “\Bigl(“ to “\left(“, then the space between left parenthesis and text become narrower. 

I hope that it will be fixed soon.

Best regards,

Dalyoung

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___________________________________________________________________________________

Re: math align broken

[Hans Hagen]

On 12/16/2019 2:17 AM, Jeong Dal wrote:
> Dear Mikael,
> 
> I also confirm your problem.
> I am using
> "ConTeXt  ver: 2019.12.06 21:40 MKIV beta  fmt: 2019.12.9  int: english/english”
> 
> However, if you change “\Bigl(“ to “\left(“, then the space between left parenthesis and text become narrower.
> 
> I hope that it will be fixed soon.

in next beta (something with spacing in math)

Hans


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                                           Hans Hagen | PRAGMA ADE
               Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
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-----------------------------------------------------------------
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Re: math align broken

[Mikael P. Sundqvist]

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On Mon, Dec 16, 2019 at 3:08 PM Hans Hagen <j.hagen@xs4all.nl> wrote:

> On 12/16/2019 2:17 AM, Jeong Dal wrote:
> > Dear Mikael,
> >
> > I also confirm your problem.
> > I am using
> > "ConTeXt  ver: 2019.12.06 21:40 MKIV beta  fmt: 2019.12.9  int:
> english/english”
> >
> > However, if you change “\Bigl(“ to “\left(“, then the space between left
> parenthesis and text become narrower.
> >
> > I hope that it will be fixed soon.
>
> in next beta (something with spacing in math)
>
> Hans
>
>
Thanks for the quick fix, Hans! I just updated and compiled my lecture
notes and can confirm that it looks fine again!

/Mikael

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Re: math align broken

[Jeong Dal]

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Dear Hans, 

Here is a small example which shows a strange spacing in the aligned display math mode.
The same code is OK in both inline mode and just display mode, but it is not good in aligned mode.

I hope that it helps your fix .

Thank you.

Best regards,

Dalyoung

%%%%%
running luametatex version 2.03.3,   ConTeXt ver: 2019.12.12, format: 2019.12.14
%%%%%
\starttext
    
    \startitemize
    \head inline formula:

    $1001 \times 23 \equiv 1  \quad \pmod {3837}$

    \head display mode

    \startformula
    1001 \times 23 \equiv 1  \quad \pmod {3837}
    \stopformula

    \head aligned display mode

    \startformula\startalign[m=2]
        \NC 2^7 \equiv \qquad \NC \pmod {341},  \NC 14^7 \equiv \qquad \NC \pmod {341}, \NR
        \NC 11^7 \equiv \qquad \NC \pmod {341}, \NC 3^7 \equiv \qquad \NC \pmod {341}, \NR
    \stopalign\stopformula

    \startformula\startalign[n=3]
        \NC 1001 \times 23 \NC \equiv 1  \quad \NC\pmod {3837}  \NR
        \NC \qquad \times 23 \NC \equiv \qquad \NC\pmod {3837}  \NR
    \stopalign\stopformula

    \stopitemize
    \stoptext

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Re: math align broken

[Jeong Dal]

Dear Hans,

I reinstall a new beta and test the previous file.
(LuaMetaTeX: version 2.03.4, ConTeXt version: 2019.12.16 18:54, format: 2019.12.17)

The problem is gone!
The space in the aligned display math mode is normal.

Thank you so much.

Best regards,

Dalyoung


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