* Fwd: Re: Math kerning broken in latest beta
[not found] <f7dc796b-5055-2aa5-ab02-e45c8b637ed5@xs4all.nl>
@ 2018-04-11 15:23 ` Hans Hagen
2018-04-11 22:10 ` Ulrike Fischer
0 siblings, 1 reply; 5+ messages in thread
From: Hans Hagen @ 2018-04-11 15:23 UTC (permalink / raw)
To: mailing list for ConTeXt users
-------- Forwarded Message --------
Subject: Re: [NTG-context] Math kerning broken in latest beta
Date: Wed, 11 Apr 2018 17:23:18 +0200
From: Hans Hagen <j.hagen@xs4all.nl>
To: Ulrike Fischer <news3@nililand.de>
On 4/11/2018 4:27 PM, Ulrike Fischer wrote:
> Am Wed, 11 Apr 2018 15:26:34 +0200 schrieb Hans Hagen:
>
>> The usual 'math italic mess' where fonts assume italic correction
>> instead of proper math kerns.
>
> Do you know a (free) math font with proper math kerns? I made a fast
> search through the lua files of my font cache but couldn't find
> anything saying "mathkern".
afaik only cambria has them but there has been a discussion about adding
them to gyre fonts but even italics and other thinsg are somewhat
inconsistent ... for instance some fonts have a traditional tex kind of
boundingbox approach, some don't .. it's a mess
Hans
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Hans Hagen | PRAGMA ADE
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tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
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* Re: Fwd: Re: Math kerning broken in latest beta
2018-04-11 15:23 ` Fwd: Re: Math kerning broken in latest beta Hans Hagen
@ 2018-04-11 22:10 ` Ulrike Fischer
2018-04-12 8:06 ` Hans Hagen
0 siblings, 1 reply; 5+ messages in thread
From: Ulrike Fischer @ 2018-04-11 22:10 UTC (permalink / raw)
To: ntg-context
Am Wed, 11 Apr 2018 17:23:35 +0200 schrieb Hans Hagen:
> afaik only cambria has them
But with cambria the subscript isn't correct either when it is a
single char:
\setupbodyfont[cambria]
\starttext
$\gamma_{ee} \gamma_{e}$
$T_{\tf fluff}$
$T_{\tf f}$
\stoptext
(tested with ConTeXt ver: 2018.04.04 00:51 MKIV beta fmt:
2018.4.11)
--
Ulrike Fischer
http://www.troubleshooting-tex.de/
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* Re: Fwd: Re: Math kerning broken in latest beta
2018-04-11 22:10 ` Ulrike Fischer
@ 2018-04-12 8:06 ` Hans Hagen
2018-04-20 14:22 ` Ulrike Fischer
0 siblings, 1 reply; 5+ messages in thread
From: Hans Hagen @ 2018-04-12 8:06 UTC (permalink / raw)
To: ntg-context
On 4/12/2018 12:10 AM, Ulrike Fischer wrote:
> Am Wed, 11 Apr 2018 17:23:35 +0200 schrieb Hans Hagen:
>
>> afaik only cambria has them
>
> But with cambria the subscript isn't correct either when it is a
> single char:
>
> \setupbodyfont[cambria]
> \starttext
> $\gamma_{ee} \gamma_{e}$
>
> $T_{\tf fluff}$
>
> $T_{\tf f}$
> \stoptext
>
>
> (tested with ConTeXt ver: 2018.04.04 00:51 MKIV beta fmt:
> 2018.4.11)
i'll look into it ... (but even cambria doesn't have all these kerns ..
as said: a mess)
i'll probably also tag the kerns to reflect when is used (more handy for
tracing)
Hans
-----------------------------------------------------------------
Hans Hagen | PRAGMA ADE
Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
-----------------------------------------------------------------
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* Re: Fwd: Re: Math kerning broken in latest beta
2018-04-12 8:06 ` Hans Hagen
@ 2018-04-20 14:22 ` Ulrike Fischer
2018-04-22 18:08 ` Hans Hagen
0 siblings, 1 reply; 5+ messages in thread
From: Ulrike Fischer @ 2018-04-20 14:22 UTC (permalink / raw)
To: ntg-context
Am Thu, 12 Apr 2018 10:06:17 +0200 schrieb Hans Hagen:
>> But with cambria the subscript isn't correct either when it is a
>> single char:
>>
>> \setupbodyfont[cambria]
>> \starttext
>> $\gamma_{ee} \gamma_{e}$
>>
>> $T_{\tf fluff}$
>>
>> $T_{\tf f}$
>> \stoptext
> i'll look into it ... (but even cambria doesn't have all these kerns ..
> as said: a mess)
With the newest context the problem is gone. In latex too if I use
luatex 1.08 instead of luatex 1.07. So I guess it was an engine bug
;-).
--
Ulrike Fischer
http://www.troubleshooting-tex.de/
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* Re: Fwd: Re: Math kerning broken in latest beta
2018-04-20 14:22 ` Ulrike Fischer
@ 2018-04-22 18:08 ` Hans Hagen
0 siblings, 0 replies; 5+ messages in thread
From: Hans Hagen @ 2018-04-22 18:08 UTC (permalink / raw)
To: ntg-context
On 4/20/2018 4:22 PM, Ulrike Fischer wrote:
> Am Thu, 12 Apr 2018 10:06:17 +0200 schrieb Hans Hagen:
>
>>> But with cambria the subscript isn't correct either when it is a
>>> single char:
>>>
>>> \setupbodyfont[cambria]
>>> \starttext
>>> $\gamma_{ee} \gamma_{e}$
>>>
>>> $T_{\tf fluff}$
>>>
>>> $T_{\tf f}$
>>> \stoptext
>
>> i'll look into it ... (but even cambria doesn't have all these kerns ..
>> as said: a mess)
>
> With the newest context the problem is gone. In latex too if I use
> luatex 1.08 instead of luatex 1.07. So I guess it was an engine bug
> ;-).
depends on ones view: it's controlled by a (yet another) variable now
that default to 'just inject them' but interference with proper math
kerns can happen in that case (it's just that not many fonts have both
of them) ... so, at some point in context (when we have better math
fonts) i'll add some checks and disable it selectively (because i don't
want that interference)
Hans
-----------------------------------------------------------------
Hans Hagen | PRAGMA ADE
Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
-----------------------------------------------------------------
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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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___________________________________________________________________________________
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2018-04-11 15:23 ` Fwd: Re: Math kerning broken in latest beta Hans Hagen
2018-04-11 22:10 ` Ulrike Fischer
2018-04-12 8:06 ` Hans Hagen
2018-04-20 14:22 ` Ulrike Fischer
2018-04-22 18:08 ` Hans Hagen
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