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From: Jeong Dal <haksan@me.com>
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Subject: Re: math align broken
Date: Tue, 17 Dec 2019 10:11:03 +0900
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Dear Hans,=20

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
   =20
    \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=3D2]
        \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=3D3]
        \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=

--Apple-Mail=_EA8E8BA8-DCEC-4CE8-B9AE-33E686FCC9E5
Content-Transfer-Encoding: quoted-printable
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	charset=us-ascii

<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3Dus-ascii"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;" class=3D"">Dear =
Hans,&nbsp;<div class=3D""><br class=3D""></div><div class=3D"">Here is =
a small example which shows a strange spacing in the aligned display =
math mode.</div><div class=3D"">The same code is OK in both inline mode =
and just display mode, but it is not good in aligned mode.</div><div =
class=3D""><br class=3D""></div><div class=3D"">I hope that it helps =
your fix .</div><div class=3D""><br class=3D""></div><div class=3D"">Thank=
 you.</div><div class=3D""><br class=3D""></div><div class=3D"">Best =
regards,</div><div class=3D""><br class=3D""></div><div =
class=3D"">Dalyoung</div><div class=3D""><br class=3D""></div><div =
class=3D"">%%%%%</div><div class=3D"">running luametatex version 2.03.3, =
&nbsp; ConTeXt ver: 2019.12.12, format: 2019.12.14</div><div =
class=3D"">%%%%%</div><div class=3D""><div style=3D"color: rgb(0, 0, 0); =
background-color: rgb(207, 207, 207); font-family: Menlo, Monaco, =
&quot;Courier New&quot;, monospace; font-size: 14px; line-height: 21px; =
white-space: pre;" class=3D""><div class=3D""><span style=3D"color: =
#007f7f;font-weight: bold;" class=3D"">\starttext</span></div><div =
class=3D"">    </div><div class=3D"">    <span style=3D"color: =
#007f00;font-weight: bold;" class=3D"">\startitemize</span></div><div =
class=3D"">    <span style=3D"color: #007f00;" class=3D"">\head</span> =
inline formula:</div><br class=3D""><div class=3D"">    <span =
style=3D"color: #7f0000;" class=3D"">$</span>1001 <span style=3D"color: =
#007f00;font-weight: bold;" class=3D"">\times</span> 23 <span =
style=3D"color: #007f00;font-weight: bold;" class=3D"">\equiv</span> 1  =
<span style=3D"color: #4f4f4f;font-weight: bold;" class=3D"">\quad</span> =
<span style=3D"color: #007f00;" class=3D"">\pmod</span> <span =
style=3D"color: #7f0000;" class=3D"">{</span>3837<span style=3D"color: =
#7f0000;" class=3D"">}$</span></div><br class=3D""><div class=3D"">    =
<span style=3D"color: #007f00;" class=3D"">\head</span> display =
mode</div><br class=3D""><div class=3D"">    <span style=3D"color: =
#007f00;font-weight: bold;" class=3D"">\startformula</span></div><div =
class=3D"">    1001 <span style=3D"color: #007f00;font-weight: bold;" =
class=3D"">\times</span> 23 <span style=3D"color: #007f00;font-weight: =
bold;" class=3D"">\equiv</span> 1  <span style=3D"color: =
#4f4f4f;font-weight: bold;" class=3D"">\quad</span> <span style=3D"color: =
#007f00;" class=3D"">\pmod</span> <span style=3D"color: #7f0000;" =
class=3D"">{</span>3837<span style=3D"color: #7f0000;" =
class=3D"">}</span></div><div class=3D"">    <span style=3D"color: =
#007f00;font-weight: bold;" class=3D"">\stopformula</span></div><br =
class=3D""><div class=3D"">    <span style=3D"color: #007f00;" =
class=3D"">\head</span> aligned display mode</div><br class=3D""><div =
class=3D"">    <span style=3D"color: #007f00;font-weight: bold;" =
class=3D"">\startformula\startalign</span><span style=3D"color: =
#00007f;" class=3D"">[</span>m<span style=3D"color: #00007f;" =
class=3D"">=3D</span>2<span style=3D"color: #00007f;" =
class=3D"">]</span></div><div class=3D"">        <span style=3D"color: =
#007f00;" class=3D"">\NC</span> 2<span style=3D"color: #7f7f00;" =
class=3D"">^</span>7 <span style=3D"color: #007f00;font-weight: bold;" =
class=3D"">\equiv</span> <span style=3D"color: #007f00;font-weight: =
bold;" class=3D"">\qquad</span> <span style=3D"color: #007f00;" =
class=3D"">\NC</span> <span style=3D"color: #007f00;" =
class=3D"">\pmod</span> <span style=3D"color: #7f0000;" =
class=3D"">{</span>341<span style=3D"color: #7f0000;" class=3D"">}</span>,=
  <span style=3D"color: #007f00;" class=3D"">\NC</span> 14<span =
style=3D"color: #7f7f00;" class=3D"">^</span>7 <span style=3D"color: =
#007f00;font-weight: bold;" class=3D"">\equiv</span> <span style=3D"color:=
 #007f00;font-weight: bold;" class=3D"">\qquad</span> <span =
style=3D"color: #007f00;" class=3D"">\NC</span> <span style=3D"color: =
#007f00;" class=3D"">\pmod</span> <span style=3D"color: #7f0000;" =
class=3D"">{</span>341<span style=3D"color: #7f0000;" class=3D"">}</span>,=
 <span style=3D"color: #007f00;" class=3D"">\NR</span></div><div =
class=3D"">        <span style=3D"color: #007f00;" class=3D"">\NC</span> =
11<span style=3D"color: #7f7f00;" class=3D"">^</span>7 <span =
style=3D"color: #007f00;font-weight: bold;" class=3D"">\equiv</span> =
<span style=3D"color: #007f00;font-weight: bold;" class=3D"">\qquad</span>=
 <span style=3D"color: #007f00;" class=3D"">\NC</span> <span =
style=3D"color: #007f00;" class=3D"">\pmod</span> <span style=3D"color: =
#7f0000;" class=3D"">{</span>341<span style=3D"color: #7f0000;" =
class=3D"">}</span>, <span style=3D"color: #007f00;" class=3D"">\NC</span>=
 3<span style=3D"color: #7f7f00;" class=3D"">^</span>7 <span =
style=3D"color: #007f00;font-weight: bold;" class=3D"">\equiv</span> =
<span style=3D"color: #007f00;font-weight: bold;" class=3D"">\qquad</span>=
 <span style=3D"color: #007f00;" class=3D"">\NC</span> <span =
style=3D"color: #007f00;" class=3D"">\pmod</span> <span style=3D"color: =
#7f0000;" class=3D"">{</span>341<span style=3D"color: #7f0000;" =
class=3D"">}</span>, <span style=3D"color: #007f00;" =
class=3D"">\NR</span></div><div class=3D"">    <span style=3D"color: =
#007f00;font-weight: bold;" =
class=3D"">\stopalign\stopformula</span></div><br class=3D""><div =
class=3D"">    <span style=3D"color: #007f00;font-weight: bold;" =
class=3D"">\startformula\startalign</span><span style=3D"color: =
#00007f;" class=3D"">[</span>n<span style=3D"color: #00007f;" =
class=3D"">=3D</span>3<span style=3D"color: #00007f;" =
class=3D"">]</span></div><div class=3D"">        <span style=3D"color: =
#007f00;" class=3D"">\NC</span> 1001 <span style=3D"color: =
#007f00;font-weight: bold;" class=3D"">\times</span> 23 <span =
style=3D"color: #007f00;" class=3D"">\NC</span> <span style=3D"color: =
#007f00;font-weight: bold;" class=3D"">\equiv</span> 1  <span =
style=3D"color: #4f4f4f;font-weight: bold;" class=3D"">\quad</span> =
<span style=3D"color: #007f00;" class=3D"">\NC\pmod</span> <span =
style=3D"color: #7f0000;" class=3D"">{</span>3837<span style=3D"color: =
#7f0000;" class=3D"">}</span>  <span style=3D"color: #007f00;" =
class=3D"">\NR</span></div><div class=3D"">        <span style=3D"color: =
#007f00;" class=3D"">\NC</span> <span style=3D"color: =
#007f00;font-weight: bold;" class=3D"">\qquad</span> <span style=3D"color:=
 #007f00;font-weight: bold;" class=3D"">\times</span> 23 <span =
style=3D"color: #007f00;" class=3D"">\NC</span> <span style=3D"color: =
#007f00;font-weight: bold;" class=3D"">\equiv</span> <span style=3D"color:=
 #007f00;font-weight: bold;" class=3D"">\qquad</span> <span =
style=3D"color: #007f00;" class=3D"">\NC\pmod</span> <span style=3D"color:=
 #7f0000;" class=3D"">{</span>3837<span style=3D"color: #7f0000;" =
class=3D"">}</span>  <span style=3D"color: #007f00;" =
class=3D"">\NR</span></div><div class=3D"">    <span style=3D"color: =
#007f00;font-weight: bold;" =
class=3D"">\stopalign\stopformula</span></div><br class=3D""><div =
class=3D"">    <span style=3D"color: #007f00;font-weight: bold;" =
class=3D"">\stopitemize</span></div><div class=3D"">    <span =
style=3D"color: #007f7f;font-weight: bold;" =
class=3D"">\stoptext</span></div></div></div></body></html>=

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