* \startmatrix bug in beta
@ 2011-05-17 9:35 Taco Hoekwater
2011-05-18 0:08 ` Aditya Mahajan
2011-05-18 4:58 ` Aditya Mahajan
0 siblings, 2 replies; 6+ messages in thread
From: Taco Hoekwater @ 2011-05-17 9:35 UTC (permalink / raw)
To: mailing list for ConTeXt users
Hi Hans/ Aditya,
With the latest beta, \startmatrix's final \NR creates a
superfluous line, resulting in ugly output:
\starttext
\startformula
\startmatrix[left={\left(\,},right={\,\right)}]
\NC 0 \NR
\NC 0 \NR
\NC 0 \NR % removing this fixes the output
\stopmatrix
\stopformula
\stoptext
Best wishes,
Taco
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^ permalink raw reply [flat|nested] 6+ messages in thread* Re: \startmatrix bug in beta
2011-05-17 9:35 \startmatrix bug in beta Taco Hoekwater
@ 2011-05-18 0:08 ` Aditya Mahajan
2011-05-18 4:58 ` Aditya Mahajan
1 sibling, 0 replies; 6+ messages in thread
From: Aditya Mahajan @ 2011-05-18 0:08 UTC (permalink / raw)
To: mailing list for ConTeXt users
On Tue, 17 May 2011, Taco Hoekwater wrote:
> Hi Hans/ Aditya,
>
> With the latest beta, \startmatrix's final \NR creates a
> superfluous line, resulting in ugly output:
This has been present for a while now, so not introduced by any recent
change. I'll try to figure out what is going wrong (I suspect a \cr
instead of a \crcr).
Aditya
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^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: \startmatrix bug in beta
2011-05-17 9:35 \startmatrix bug in beta Taco Hoekwater
2011-05-18 0:08 ` Aditya Mahajan
@ 2011-05-18 4:58 ` Aditya Mahajan
2011-05-18 7:24 ` Hans Hagen
1 sibling, 1 reply; 6+ messages in thread
From: Aditya Mahajan @ 2011-05-18 4:58 UTC (permalink / raw)
To: mailing list for ConTeXt users
On Tue, 17 May 2011, Taco Hoekwater wrote:
> Hi Hans/ Aditya,
>
> With the latest beta, \startmatrix's final \NR creates a
> superfluous line, resulting in ugly output:
Bugfix:
In \dodefinemathmatrix, change
\setuvalue{\e!stop #1}{\dostopmathmatrix}%
to
\setvalue{\e!stop #1}{\dostopmathmatrix}%
If someone wants to correct this in a working document, add
\let\stopmatrix\dostopmathmatrix
somewhere before \starttext
> \starttext
> \startformula
> \startmatrix[left={\left(\,},right={\,\right)}]
> \NC 0 \NR
> \NC 0 \NR
> \NC 0 \NR % removing this fixes the output
> \stopmatrix
> \stopformula
> \stoptext
I don't know why \setuvalue gives an extra space. Hopefully, you or Hans
will be able to figure that out.
Aditya
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^ permalink raw reply [flat|nested] 6+ messages in thread* Re: \startmatrix bug in beta
2011-05-18 4:58 ` Aditya Mahajan
@ 2011-05-18 7:24 ` Hans Hagen
2011-05-18 14:18 ` Aditya Mahajan
0 siblings, 1 reply; 6+ messages in thread
From: Hans Hagen @ 2011-05-18 7:24 UTC (permalink / raw)
To: mailing list for ConTeXt users
On 18-5-2011 6:58, Aditya Mahajan wrote:
> On Tue, 17 May 2011, Taco Hoekwater wrote:
>
>> Hi Hans/ Aditya,
>>
>> With the latest beta, \startmatrix's final \NR creates a
>> superfluous line, resulting in ugly output:
>
> Bugfix:
>
> In \dodefinemathmatrix, change
>
> \setuvalue{\e!stop #1}{\dostopmathmatrix}%
>
> to
>
> \setvalue{\e!stop #1}{\dostopmathmatrix}%
>
> If someone wants to correct this in a working document, add
>
> \let\stopmatrix\dostopmathmatrix
>
> somewhere before \starttext
>
>> \starttext
>> \startformula
>> \startmatrix[left={\left(\,},right={\,\right)}]
>> \NC 0 \NR
>> \NC 0 \NR
>> \NC 0 \NR % removing this fixes the output
>> \stopmatrix
>> \stopformula
>> \stoptext
>
> I don't know why \setuvalue gives an extra space. Hopefully, you or Hans
> will be able to figure that out.
no clue yet but
\unexpanded\def\dostopmathmatrix
gives an extra row
some day Taco and I will arrive at dealing with this lookahead in the
perspective of protected (\unexpanded in context) macros issue in luatex
(makes a nice topic for discussion on one of our travels to a conference)
Hans
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| www.pragma-pod.nl
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^ permalink raw reply [flat|nested] 6+ messages in thread* Re: \startmatrix bug in beta
2011-05-18 7:24 ` Hans Hagen
@ 2011-05-18 14:18 ` Aditya Mahajan
2011-05-18 14:24 ` Hans Hagen
0 siblings, 1 reply; 6+ messages in thread
From: Aditya Mahajan @ 2011-05-18 14:18 UTC (permalink / raw)
To: Hans Hagen; +Cc: mailing list for ConTeXt users
On Wed, 18 May 2011, Hans Hagen wrote:
> On 18-5-2011 6:58, Aditya Mahajan wrote:
>> On Tue, 17 May 2011, Taco Hoekwater wrote:
>>
>>> Hi Hans/ Aditya,
>>>
>>> With the latest beta, \startmatrix's final \NR creates a
>>> superfluous line, resulting in ugly output:
>>
>> Bugfix:
>>
>> In \dodefinemathmatrix, change
>>
>> \setuvalue{\e!stop #1}{\dostopmathmatrix}%
>>
>> to
>>
>> \setvalue{\e!stop #1}{\dostopmathmatrix}%
>>
>> If someone wants to correct this in a working document, add
>>
>> \let\stopmatrix\dostopmathmatrix
>>
>> somewhere before \starttext
>>
>>> \starttext
>>> \startformula
>>> \startmatrix[left={\left(\,},right={\,\right)}]
>>> \NC 0 \NR
>>> \NC 0 \NR
>>> \NC 0 \NR % removing this fixes the output
>>> \stopmatrix
>>> \stopformula
>>> \stoptext
>>
>> I don't know why \setuvalue gives an extra space. Hopefully, you or Hans
>> will be able to figure that out.
>
> no clue yet but
>
> \unexpanded\def\dostopmathmatrix
>
> gives an extra row
Simpler example:
\def\A{\halign \bgroup ## \crcr}
\unexpanded\def\B{\crcr\egroup}
\def\C{\crcr\egroup}
\starttext
\ruledvbox{\A A \cr B \cr \B}
\ruledvbox{\A A \cr B \cr \C}
\stoptext
Same results with MkII and MkIV, so this is not a luatex issue.
Aditya
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^ permalink raw reply [flat|nested] 6+ messages in thread* Re: \startmatrix bug in beta
2011-05-18 14:18 ` Aditya Mahajan
@ 2011-05-18 14:24 ` Hans Hagen
0 siblings, 0 replies; 6+ messages in thread
From: Hans Hagen @ 2011-05-18 14:24 UTC (permalink / raw)
To: Aditya Mahajan; +Cc: mailing list for ConTeXt users
On 18-5-2011 4:18, Aditya Mahajan wrote:
> Simpler example:
>
> \def\A{\halign \bgroup ## \crcr}
> \unexpanded\def\B{\crcr\egroup}
> \def\C{\crcr\egroup}
>
> \starttext
> \ruledvbox{\A A \cr B \cr \B}
>
> \ruledvbox{\A A \cr B \cr \C}
\ruledvbox{\A A \cr B \cr \relax \C}
> \stoptext
I wonder what the rationale is behind this ... when we redo the matrix
code we can prune such empty rows in lua. I always thought that \crcr
was more clever.
Hans
-----------------------------------------------------------------
Hans Hagen | PRAGMA ADE
Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
tel: 038 477 53 69 | voip: 087 875 68 74 | www.pragma-ade.com
| www.pragma-pod.nl
-----------------------------------------------------------------
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maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
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___________________________________________________________________________________
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2011-05-17 9:35 \startmatrix bug in beta Taco Hoekwater
2011-05-18 0:08 ` Aditya Mahajan
2011-05-18 4:58 ` Aditya Mahajan
2011-05-18 7:24 ` Hans Hagen
2011-05-18 14:18 ` Aditya Mahajan
2011-05-18 14:24 ` Hans Hagen
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