* Math symbols issue with context minimals distribution and
@ 2009-07-16 16:32 Andrei Dragomir
2009-07-16 20:02 ` luigi scarso
2009-07-17 1:39 ` Aditya Mahajan
0 siblings, 2 replies; 6+ messages in thread
From: Andrei Dragomir @ 2009-07-16 16:32 UTC (permalink / raw)
To: ntg-context
I am using context minimals, with the simpleslides module to
make a presentation.
I noticed that when typesetting math formulas, I get missing characters.
I finally tracked it down to an issue (stupidity from me?) with the
"context" executable.
I made a new file, with some example math markup, posted below
----------
\starttext
And this is some maths with PostScript fonts.
\startformula
{a \over b} = {c \over d} \iff ad - bc = 0,
\qquad \int_0^{2\pi}\!\!\! \sin^2(x)dx =\pi,
\qquad {\rm e}^{{\rm i}\pi} + 1 = 0,
\qquad \sum_{k=1}^{\infty}{1 \over k^2} = {\pi^2 \over 6}.
\stopformula
Some ligatures: ffi, ffl.
\stoptext
-----------
When running "context test_math.tex", in the output file I don't see the
"\iff" symbol. When running "texexec test_math.tex", everything is working fine.
Any help would be appreciated, and sorry if this is a stupid question.
Thank you,
Andrei Dragomir
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^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Math symbols issue with context minimals distribution and
2009-07-16 16:32 Math symbols issue with context minimals distribution and Andrei Dragomir
@ 2009-07-16 20:02 ` luigi scarso
2009-07-17 1:49 ` Aditya Mahajan
2009-07-17 1:39 ` Aditya Mahajan
1 sibling, 1 reply; 6+ messages in thread
From: luigi scarso @ 2009-07-16 20:02 UTC (permalink / raw)
To: mailing list for ConTeXt users
[-- Attachment #1.1: Type: text/plain, Size: 888 bytes --]
On Thu, Jul 16, 2009 at 6:32 PM, Andrei Dragomir <adragomir@gmail.com>wrote:
> I am using context minimals, with the simpleslides module to
> make a presentation.
>
> I noticed that when typesetting math formulas, I get missing characters.
>
> I finally tracked it down to an issue (stupidity from me?) with the
> "context" executable.
>
> I made a new file, with some example math markup, posted below
> ----------
> \starttext
>
> And this is some maths with PostScript fonts.
> \startformula
> {a \over b} = {c \over d} \iff ad - bc = 0,
> \qquad \int_0^{2\pi}\!\!\! \sin^2(x)dx =\pi,
> \qquad {\rm e}^{{\rm i}\pi} + 1 = 0,
> \qquad \sum_{k=1}^{\infty}{1 \over k^2} = {\pi^2 \over 6}.
> \stopformula
> Some ligatures: ffi, ffl.
>
> \stoptext
> -----------
>
My log says :
Missing character: There is no ⟺ (U+27FA) in font LMMath12-Regular!
--
luigi
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___________________________________________________________________________________
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://tex.aanhet.net
archive : https://foundry.supelec.fr/projects/contextrev/
wiki : http://contextgarden.net
___________________________________________________________________________________
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Math symbols issue with context minimals distribution and
2009-07-16 16:32 Math symbols issue with context minimals distribution and Andrei Dragomir
2009-07-16 20:02 ` luigi scarso
@ 2009-07-17 1:39 ` Aditya Mahajan
2009-07-17 1:42 ` Aditya Mahajan
1 sibling, 1 reply; 6+ messages in thread
From: Aditya Mahajan @ 2009-07-17 1:39 UTC (permalink / raw)
To: mailing list for ConTeXt users
On Thu, 16 Jul 2009, Andrei Dragomir wrote:
> I am using context minimals, with the simpleslides module to
> make a presentation.
>
> I noticed that when typesetting math formulas, I get missing characters.
>
> I finally tracked it down to an issue (stupidity from me?) with the
> "context" executable.
>
> I made a new file, with some example math markup, posted below
> ----------
> \starttext
>
> And this is some maths with PostScript fonts.
> \startformula
> {a \over b} = {c \over d} \iff ad - bc = 0,
> \qquad \int_0^{2\pi}\!\!\! \sin^2(x)dx =\pi,
> \qquad {\rm e}^{{\rm i}\pi} + 1 = 0,
> \qquad \sum_{k=1}^{\infty}{1 \over k^2} = {\pi^2 \over 6}.
> \stopformula
> Some ligatures: ffi, ffl.
>
> \stoptext
> -----------
>
> When running "context test_math.tex", in the output file I don't see the
> "\iff" symbol. When running "texexec test_math.tex", everything is working fine.
This works with the current alpha (most likely Hans fixed it).
Aditya
___________________________________________________________________________________
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://tex.aanhet.net
archive : https://foundry.supelec.fr/projects/contextrev/
wiki : http://contextgarden.net
___________________________________________________________________________________
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Math symbols issue with context minimals distribution and
2009-07-17 1:39 ` Aditya Mahajan
@ 2009-07-17 1:42 ` Aditya Mahajan
0 siblings, 0 replies; 6+ messages in thread
From: Aditya Mahajan @ 2009-07-17 1:42 UTC (permalink / raw)
To: mailing list for ConTeXt users
On Thu, 16 Jul 2009, Aditya Mahajan wrote:
> On Thu, 16 Jul 2009, Andrei Dragomir wrote:
>
>> I am using context minimals, with the simpleslides module to
>> make a presentation.
>>
>> I noticed that when typesetting math formulas, I get missing characters.
>>
>> I finally tracked it down to an issue (stupidity from me?) with the
>> "context" executable.
>>
>> I made a new file, with some example math markup, posted below
>> ----------
>> \starttext
>>
>> And this is some maths with PostScript fonts.
>> \startformula
>> {a \over b} = {c \over d} \iff ad - bc = 0,
>> \qquad \int_0^{2\pi}\!\!\! \sin^2(x)dx =\pi,
>> \qquad {\rm e}^{{\rm i}\pi} + 1 = 0,
>> \qquad \sum_{k=1}^{\infty}{1 \over k^2} = {\pi^2 \over 6}.
>> \stopformula
>> Some ligatures: ffi, ffl.
>>
>> \stoptext
>> -----------
>>
>> When running "context test_math.tex", in the output file I don't see the
>> "\iff" symbol. When running "texexec test_math.tex", everything is working
>> fine.
>
> This works with the current alpha (most likely Hans fixed it).
Sorry, was testing using an old version ....
Aditya
___________________________________________________________________________________
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://tex.aanhet.net
archive : https://foundry.supelec.fr/projects/contextrev/
wiki : http://contextgarden.net
___________________________________________________________________________________
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Math symbols issue with context minimals distribution and
2009-07-16 20:02 ` luigi scarso
@ 2009-07-17 1:49 ` Aditya Mahajan
2009-07-17 15:54 ` Hans Hagen
0 siblings, 1 reply; 6+ messages in thread
From: Aditya Mahajan @ 2009-07-17 1:49 UTC (permalink / raw)
To: mailing list for ConTeXt users
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On Thu, 16 Jul 2009, luigi scarso wrote:
> On Thu, Jul 16, 2009 at 6:32 PM, Andrei Dragomir <adragomir@gmail.com>wrote:
>
>> I am using context minimals, with the simpleslides module to
>> make a presentation.
>>
>> I noticed that when typesetting math formulas, I get missing characters.
>>
>> I finally tracked it down to an issue (stupidity from me?) with the
>> "context" executable.
>>
>> I made a new file, with some example math markup, posted below
>> ----------
>> \starttext
>>
>> And this is some maths with PostScript fonts.
>> \startformula
>> {a \over b} = {c \over d} \iff ad - bc = 0,
>> \qquad \int_0^{2\pi}\!\!\! \sin^2(x)dx =\pi,
>> \qquad {\rm e}^{{\rm i}\pi} + 1 = 0,
>> \qquad \sum_{k=1}^{\infty}{1 \over k^2} = {\pi^2 \over 6}.
>> \stopformula
>> Some ligatures: ffi, ffl.
>>
>> \stoptext
>> -----------
>>
> My log says :
> Missing character: There is no ⟺ (U+27FA) in font LMMath12-Regular!
Yes, in a unicode font Rightleftarrow (which is part of the definition of
\iff) is at 27FA. But LM fonts do not have any glyph which looks like
that....
So, as a temporary workaround, we redefine \Rightleftarrow in
math-pln.mkiv. But for some reason, that definition is not kicking in, and
ConTeXt still things that \Rightleftarrow is \Umathchar "3 "0 "27FA.
Hans, any idea why this is happening. char-def.lua is loaded before
math-pln.mkiv. Even then, why doesn't the redefinition in math-pln take
precedence?
Aditya
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___________________________________________________________________________________
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://tex.aanhet.net
archive : https://foundry.supelec.fr/projects/contextrev/
wiki : http://contextgarden.net
___________________________________________________________________________________
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Math symbols issue with context minimals distribution and
2009-07-17 1:49 ` Aditya Mahajan
@ 2009-07-17 15:54 ` Hans Hagen
0 siblings, 0 replies; 6+ messages in thread
From: Hans Hagen @ 2009-07-17 15:54 UTC (permalink / raw)
To: mailing list for ConTeXt users
Aditya Mahajan wrote:
> Hans, any idea why this is happening. char-def.lua is loaded before
> math-pln.mkiv. Even then, why doesn't the redefinition in math-pln take
> precedence?
well, math-pln is loaded beforemath-ini and that one does the
definitions so you need to revert that order in context.mkiv
probably ok now that math-pln is stripped to the bone but of course
*you* will test it -)
Hans
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___________________________________________________________________________________
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
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archive : https://foundry.supelec.fr/projects/contextrev/
wiki : http://contextgarden.net
___________________________________________________________________________________
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2009-07-16 16:32 Math symbols issue with context minimals distribution and Andrei Dragomir
2009-07-16 20:02 ` luigi scarso
2009-07-17 1:49 ` Aditya Mahajan
2009-07-17 15:54 ` Hans Hagen
2009-07-17 1:39 ` Aditya Mahajan
2009-07-17 1:42 ` Aditya Mahajan
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