* unicode integral sign
@ 2010-05-29 7:45 Yury G. Kudryashov
2010-05-29 9:58 ` Taco Hoekwater
0 siblings, 1 reply; 6+ messages in thread
From: Yury G. Kudryashov @ 2010-05-29 7:45 UTC (permalink / raw)
To: ntg-context
Hi!
I try the following:
\starttext
$∫_a^b \int_a^b$
\stoptext
In the first case, the integral sign is below the text. Should I use another
font, or is it possible to fix with the default one?
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^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: unicode integral sign
2010-05-29 7:45 unicode integral sign Yury G. Kudryashov
@ 2010-05-29 9:58 ` Taco Hoekwater
2010-05-29 15:21 ` Yury G. Kudryashov
0 siblings, 1 reply; 6+ messages in thread
From: Taco Hoekwater @ 2010-05-29 9:58 UTC (permalink / raw)
To: mailing list for ConTeXt users
Yury G. Kudryashov wrote:
> Hi!
>
> I try the following:
>
> \starttext
> $∫_a^b \int_a^b$
> \stoptext
>
> In the first case, the integral sign is below the text. Should I use another
> font, or is it possible to fix with the default one?
It is possible to fix this. The reason for the odd placement is that the
'math code' of ∫ is not set up properly (and it probably isn't either
for some other bare Unicode characters). To fix the hard way, add this
at the top of your input file:
\Umathcode `∫ = 1 0 `∫ % 1 == \mathop, 0=fam0, ∫=glyph
Eventually, this definition will be added to char-def.lua and then
everything will work out of the box.
Best wishes,
Taco
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___________________________________________________________________________________
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: unicode integral sign
2010-05-29 9:58 ` Taco Hoekwater
@ 2010-05-29 15:21 ` Yury G. Kudryashov
2010-05-29 17:32 ` Aditya Mahajan
0 siblings, 1 reply; 6+ messages in thread
From: Yury G. Kudryashov @ 2010-05-29 15:21 UTC (permalink / raw)
To: ntg-context
Taco Hoekwater wrote:
> Yury G. Kudryashov wrote:
>> Hi!
>>
>> I try the following:
>>
>> \starttext
>> $∫_a^b \int_a^b$
>> \stoptext
>>
>> In the first case, the integral sign is below the text. Should I use
>> another font, or is it possible to fix with the default one?
>
> It is possible to fix this. The reason for the odd placement is that the
> 'math code' of ∫ is not set up properly (and it probably isn't either
> for some other bare Unicode characters). To fix the hard way, add this
> at the top of your input file:
>
> \Umathcode `∫ = 1 0 `∫ % 1 == \mathop, 0=fam0, ∫=glyph
Is there any documentation on char-def.lua file format? If I'll understand
it, I'll send a patch for the symbols I use.
Currently I have no idea why the following strings in char-def don't work.
[0x222B]={
adobename="integral",
category="sm",
cjkwd="a",
description="INTEGRAL",
direction="on",
linebreak="ai",
mathspec={
{ class="nothing", name="intop" },
{ class="limop" , name="int" },
},
unicodeslot=0x222B,
},
Replacing mathspec=... with mathclass="limop", mathname="int" seems to work
(copied from n-ary summation).
BTW, in both solution ∫_a acts like \int\limits_a, not \int_a.
___________________________________________________________________________________
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 : http://foundry.supelec.fr/projects/contextrev/
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___________________________________________________________________________________
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: unicode integral sign
2010-05-29 15:21 ` Yury G. Kudryashov
@ 2010-05-29 17:32 ` Aditya Mahajan
2010-05-29 18:57 ` Taco Hoekwater
0 siblings, 1 reply; 6+ messages in thread
From: Aditya Mahajan @ 2010-05-29 17:32 UTC (permalink / raw)
To: mailing list for ConTeXt users
[-- Attachment #1: Type: TEXT/PLAIN, Size: 1819 bytes --]
On Sat, 29 May 2010, Yury G. Kudryashov wrote:
> Taco Hoekwater wrote:
>
>> Yury G. Kudryashov wrote:
>>> Hi!
>>>
>>> I try the following:
>>>
>>> \starttext
>>> $∫_a^b \int_a^b$
>>> \stoptext
>>>
>>> In the first case, the integral sign is below the text. Should I use
>>> another font, or is it possible to fix with the default one?
>>
>> It is possible to fix this. The reason for the odd placement is that the
>> 'math code' of ∫ is not set up properly (and it probably isn't either
>> for some other bare Unicode characters). To fix the hard way, add this
>> at the top of your input file:
>>
>> \Umathcode `∫ = 1 0 `∫ % 1 == \mathop, 0=fam0, ∫=glyph
> Is there any documentation on char-def.lua file format? If I'll understand
> it, I'll send a patch for the symbols I use.
Not a complete documentation, but some explanation is here
https://www.tug.org/members/TUGboat/tb30-2/tb95mahajan-cmath.pdf
> Currently I have no idea why the following strings in char-def don't work.
>
> [0x222B]={
> adobename="integral",
> category="sm",
> cjkwd="a",
> description="INTEGRAL",
> direction="on",
> linebreak="ai",
> mathspec={
> { class="nothing", name="intop" },
> { class="limop" , name="int" },
> },
> unicodeslot=0x222B,
> },
>
> Replacing mathspec=... with mathclass="limop", mathname="int" seems to work
> (copied from n-ary summation).
>
> BTW, in both solution ∫_a acts like \int\limits_a, not \int_a.
In plain TeX, this is taken care by
\mathchardef\intop="1352 \def\int{\intop\nolimits}
Can I do the same in luatex without active characters?
\Umathchardef\INTOP=1 0 `∫
\def\INT{\INTOP\intlimits}
\catcode`∫=\active
\let ∫=\INT
\starttext
$∫_a^b$
$\displaystyle ∫_a^b$
\stoptext
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 : http://foundry.supelec.fr/projects/contextrev/
wiki : http://contextgarden.net
___________________________________________________________________________________
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: unicode integral sign
2010-05-29 17:32 ` Aditya Mahajan
@ 2010-05-29 18:57 ` Taco Hoekwater
2010-05-29 19:05 ` Aditya Mahajan
0 siblings, 1 reply; 6+ messages in thread
From: Taco Hoekwater @ 2010-05-29 18:57 UTC (permalink / raw)
To: mailing list for ConTeXt users
Aditya Mahajan wrote:
> On Sat, 29 May 2010, Yury G. Kudryashov wrote:
>
>> Taco Hoekwater wrote:
>>
>>> Yury G. Kudryashov wrote:
>>>> Hi!
>>>>
>>>> I try the following:
>>>>
>>>> \starttext
>>>> $∫_a^b \int_a^b$
>>>> \stoptext
>>>>
>>>> In the first case, the integral sign is below the text. Should I use
>>>> another font, or is it possible to fix with the default one?
>>>
>>> It is possible to fix this. The reason for the odd placement is that the
>>> 'math code' of ∫ is not set up properly (and it probably isn't either
>>> for some other bare Unicode characters). To fix the hard way, add this
>>> at the top of your input file:
>>>
>>> \Umathcode `∫ = 1 0 `∫ % 1 == \mathop, 0=fam0, ∫=glyph
>> Is there any documentation on char-def.lua file format? If I'll
>> understand it, I'll send a patch for the symbols I use.
>
> Not a complete documentation, but some explanation is here
>
> https://www.tug.org/members/TUGboat/tb30-2/tb95mahajan-cmath.pdf
>
>> Currently I have no idea why the following strings in char-def don't
>> work.
>>
>> [0x222B]={
>> adobename="integral",
>> category="sm",
>> cjkwd="a",
>> description="INTEGRAL",
>> direction="on",
>> linebreak="ai",
>> mathspec={
>> { class="nothing", name="intop" },
>> { class="limop" , name="int" },
>> },
>> unicodeslot=0x222B,
>> },
>>
>> Replacing mathspec=... with mathclass="limop", mathname="int" seems to
>> work (copied from n-ary summation).
>>
>> BTW, in both solution ∫_a acts like \int\limits_a, not \int_a.
>
> In plain TeX, this is taken care by
>
> \mathchardef\intop="1352 \def\int{\intop\nolimits}
>
> Can I do the same in luatex without active characters?
No, but it is a useful extension to consider. There are internally
three types of large operators, for 'limits', 'nolimits' and
'displaylimits' and this bothers me a bit. We can't reasonably
extend the old primitives, but \Umathcharcode c.s. could be made
to accept extra values '9' .. '11' for those three types without
any compatibility problems. I'll add to the tracker.
Best wishes,
Taco
___________________________________________________________________________________
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 : http://foundry.supelec.fr/projects/contextrev/
wiki : http://contextgarden.net
___________________________________________________________________________________
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: unicode integral sign
2010-05-29 18:57 ` Taco Hoekwater
@ 2010-05-29 19:05 ` Aditya Mahajan
0 siblings, 0 replies; 6+ messages in thread
From: Aditya Mahajan @ 2010-05-29 19:05 UTC (permalink / raw)
To: mailing list for ConTeXt users
[-- Attachment #1: Type: TEXT/PLAIN, Size: 2441 bytes --]
On Sat, 29 May 2010, Taco Hoekwater wrote:
> Aditya Mahajan wrote:
>> On Sat, 29 May 2010, Yury G. Kudryashov wrote:
>>
>> > Taco Hoekwater wrote:
>> >
>> > > Yury G. Kudryashov wrote:
>> > > > Hi!
>> > > >
>> > > > I try the following:
>> > > >
>> > > > \starttext
>> > > > $∫_a^b \int_a^b$
>> > > > \stoptext
>> > > >
>> > > > In the first case, the integral sign is below the text. Should I use
>> > > > another font, or is it possible to fix with the default one?
>> > >
>> > > It is possible to fix this. The reason for the odd placement is that
>> > > the
>> > > 'math code' of ∫ is not set up properly (and it probably isn't either
>> > > for some other bare Unicode characters). To fix the hard way, add this
>> > > at the top of your input file:
>> > >
>> > > \Umathcode `∫ = 1 0 `∫ % 1 == \mathop, 0=fam0, ∫=glyph
>> > Is there any documentation on char-def.lua file format? If I'll
>> > understand it, I'll send a patch for the symbols I use.
>>
>> Not a complete documentation, but some explanation is here
>>
>> https://www.tug.org/members/TUGboat/tb30-2/tb95mahajan-cmath.pdf
>>
>> > Currently I have no idea why the following strings in char-def don't
>> > work.
>> >
>> > [0x222B]={
>> > adobename="integral",
>> > category="sm",
>> > cjkwd="a",
>> > description="INTEGRAL",
>> > direction="on",
>> > linebreak="ai",
>> > mathspec={
>> > { class="nothing", name="intop" },
>> > { class="limop" , name="int" },
>> > },
>> > unicodeslot=0x222B,
>> > },
>> >
>> > Replacing mathspec=... with mathclass="limop", mathname="int" seems to
>> > work (copied from n-ary summation).
>> >
>> > BTW, in both solution ∫_a acts like \int\limits_a, not \int_a.
>>
>> In plain TeX, this is taken care by
>>
>> \mathchardef\intop="1352 \def\int{\intop\nolimits}
>>
>> Can I do the same in luatex without active characters?
>
> No, but it is a useful extension to consider. There are internally
> three types of large operators, for 'limits', 'nolimits' and
> 'displaylimits' and this bothers me a bit. We can't reasonably
> extend the old primitives, but \Umathcharcode c.s. could be made
> to accept extra values '9' .. '11' for those three types without
> any compatibility problems. I'll add to the tracker.
Thanks. That will make all the int (and sum) setup much simpler.
Aditya
[-- Attachment #2: Type: text/plain, Size: 486 bytes --]
___________________________________________________________________________________
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 : http://foundry.supelec.fr/projects/contextrev/
wiki : http://contextgarden.net
___________________________________________________________________________________
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2010-05-29 7:45 unicode integral sign Yury G. Kudryashov
2010-05-29 9:58 ` Taco Hoekwater
2010-05-29 15:21 ` Yury G. Kudryashov
2010-05-29 17:32 ` Aditya Mahajan
2010-05-29 18:57 ` Taco Hoekwater
2010-05-29 19:05 ` Aditya Mahajan
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