new upload

new upload

[Hans Hagen via ntg-context]

Hi,

I uploaded a new version but best first read this because some is 
experimental and i need to sycn with those involved, so thereofre the 
uplaod (too many files involved):

Indic:

- We added indic language patterns ad well as defined the languages but 
labels are on the todo as are conversions; kauśika is working on this

- We also added a tweak to deal with a certain class of indic fonts; 
there will be a more detailed report about the why and how by kauśika

- So, Indic should work as before but with more dedicated support coming.

Math:

- Mikael and I are stepwise going over the math machinery: constructs, 
spacing etc in the perspective of what luametatex provided.

- We think we can improve spacing (more consistent) but it needs some 
work and testing. Some gets shifted from engine heuristics to 
predictable control.

- There will be a 'traditional swedish' spacing variant, also as an 
exaple of how users can finetune and adapt to the math culture they 
like. (I will likely make one for educational purpose).

- All this is done by some fundamental extensions to the math engine (on 
top of all the already present configurability) but hopefully without 
side effects.

Rest:

- I added a few features discussed on the list (itemize and such) which 
I let others explain (omn the wiki).

Hans

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                                           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: new upload

[hanneder--- via ntg-context]

> - We added indic language patterns ad well as defined the languages  
> but labels are on the todo as are conversions; kauśika is working on

Perhaps the following notes are useful.

1. The simplest way, and what I was talking about, is to write and  
print Sanskrit in
    transliteration.

ānandaḥ -> ānandaḥ

2. Then we can of course write and print the same word in the usual  
Indian Script (Devanāgarī)

आनन्दः  ->  आनन्दः

3. But for academic use, one wants an input in roman (e-text are  
usually in roman), and the option
    to have an output in Devanāgarī)

ānandaḥ ->  आनन्दः

For this an option with the transliterator would be required, I guess(?)

Theoretically one could write Sanskrit in many scripts -- it has been written
with many Indian scripts in history --, but I am wondering about the  
practical value of this.
For imitating historic prints it would no doubt be nice, but not urgent.

I was not aware of the hyphenation patterns by Yves Codet, if they  
work, they would cover case 1
and 2. And I just heard from a colleague that the latest babel version  
is incorporating a Sanskrit option
that might cover the same ground (I am not sure whether this is useful).

Thanks a lot! I just have to learn more about ConTeXt to able to use it:)




---

Prof. Dr. Juergen Hanneder
Philipps-Universitaet Marburg
FG Indologie u. Tibetologie
Deutschhausstr.12
35032 Marburg
Germany
Tel. 0049-6421-28-24930
hanneder@staff.uni-marburg.de

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Re: new upload

[Hans Hagen via ntg-context]

[-- Attachment #1: Type: text/plain, Size: 1831 bytes --]

On 1/15/2022 12:33 PM, hanneder--- via ntg-context wrote:
>> - We added indic language patterns ad well as defined the languages 
>> but labels are on the todo as are conversions; kauśika is working on
> 
> Perhaps the following notes are useful.
> 
> 1. The simplest way, and what I was talking about, is to write and print 
> Sanskrit in
>     transliteration.
> 
> ānandaḥ -> ānandaḥ
> 
> 2. Then we can of course write and print the same word in the usual 
> Indian Script (Devanāgarī)
> 
> आनन्दः  ->  आनन्दः
> 
> 3. But for academic use, one wants an input in roman (e-text are usually 
> in roman), and the option
>     to have an output in Devanāgarī)
> 
> ānandaḥ ->  आनन्दः
> 
> For this an option with the transliterator would be required, I guess(?)
> 
> Theoretically one could write Sanskrit in many scripts -- it has been 
> written
> with many Indian scripts in history --, but I am wondering about the 
> practical value of this.
> For imitating historic prints it would no doubt be nice, but not urgent.
> 
> I was not aware of the hyphenation patterns by Yves Codet, if they work, 
> they would cover case 1
> and 2. And I just heard from a colleague that the latest babel version 
> is incorporating a Sanskrit option
> that might cover the same ground (I am not sure whether this is useful).
> 
> Thanks a lot! I just have to learn more about ConTeXt to able to use it:)

does the attached sort of what you want

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
-----------------------------------------------------------------

[-- Attachment #2: indic.tex --]
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\startluacode
    fonts.handlers.otf.addfeature {
        name = "iast",
        type = "ligature",
        data = {
            ["ऐ"]  = { "a", "i" },
            ["औ"] = { "a", "u" },
            ["ख"] = { "k", "h" },
            ["छ"] = { "c", "h" },
            ["ठ"] = { "ṭ", "h" },
            ["थ"] = { "t", "h" },
            ["फ"] = { "p", "h" },
            ["घ"] = { "g", "h" },
            ["झ"] = { "j", "h" },
            ["ढ"] = { "ḍ", "h" },
            ["ध"] = { "d", "h" },
            ["भ"] = { "b", "h" },
        }
    }
    fonts.handlers.otf.addfeature {
        name = "iast",
        type = "substitution",
        data = {
            ["a"] = "अ",
            ["ā"] = "आ"	,
            ["i"] = "इ",
            ["ī"] = "ई",
            ["u"] = "उ",
            ["ū"] = "ऊ",
            ["ṛ"] = "ऋ",
            ["ṝ"] = "ॠ",
            ["ḷ"] = "ऌ",
            ["ḹ"] = "ॡ",
            ["e"] = "ए",
            ["o"] = "ओ",
            ["ṃ"] = "ं",
            ["ḥ"] = "ः",
            ["˜"] = "ँ",
            ["'"] = "ऽ",
            ["k"] = "क",
            ["c"] = "च",
            ["ṭ"] = "ट",
            ["t"] = "त",
            ["p"] = "प",
            ["g"] = "ग",
            ["j"] = "ज",
            ["ḍ"] = "ड",
            ["d"] = "द",
            ["b"] = "ब",
            ["ṅ"] = "ङ",
            ["ñ"] = "ञ",
            ["ṇ"] = "ण",
            ["n"] = "न",
            ["m"] = "म",
            ["h"] = "ह",
            ["y"] = "य",
            ["r"] = "र",
            ["l"] = "ल",
            ["v"] = "व",
            ["ś"] = "श",
            ["ṣ"] = "ष",
            ["s"] = "स",
        }
    }
\stopluacode

\starttext

\definefontfeature[iast][devanagari-two][iast=yes]
\definedfont[file:shobhika-regular.otf*iast at 18pt]

vid dhātorghañā vedaśabdo niṣpadyate.
vid jñāne vid vicāraṇe vidlṛ lābhe vid
sattāyām ityādidhātubhyo jñānaṃ sattā lābhaśceti trayo'pyarthāḥ siddhyanti. lāb­
haśabdena jīvanarūpā sthitirapi prahītuṃ śakyate sattāpadena cotpattiḥ. tena ut­
pattiḥ sthitiścetyubhayamapi vid dhātorarthe'ntarbhavati. ghañpratyayaścāpi bhāve
akartari ca kārake vidhīyate iti jñānam jñānasādhanam jñānakarma jñānādhikara­
ṇam sattā sattāsādhanam sattākarma sattādhikaraṇam sthiti sthitisādhanam sthi­
tikarma sthityadhikaraṇaścetyādi sarvaṃ vedaśabdārthatayā vyākhyātuṃ śakyate.
tatra granthātmakeṣu vedeṣu śābdajñānasādhanatvameva samanvāyayanti prāyeṇa
vidvāṃsaḥ.
anveṣaṇaprakriyayā pariśīlyamāne tu sarvavidhajñānasādhanam jñā­
narūpatvam sattāsādhanatvam sattārūpatvam sthitisādhanatvam sthitirūpatvam ce­
tyādyapi vedaśabdārthe samanvitaṃ bhavati.

\stoptext

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Re: new upload

[Alexandre Christe via ntg-context]

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Just came across a weird behavior with the latest upload.

The following doesn't print as it should
\startformula 4^{2x} - 4^x - 25 = 0 \stopformula

I don't think it's normal (I see the spacing to make room for anything that
comes after the first character in the exposant, but it is not printed).

Le sam. 15 janv. 2022 à 13:31, Hans Hagen via ntg-context <
ntg-context@ntg.nl> a écrit :

> On 1/15/2022 12:33 PM, hanneder--- via ntg-context wrote:
> >> - We added indic language patterns ad well as defined the languages
> >> but labels are on the todo as are conversions; kauśika is working on
> >
> > Perhaps the following notes are useful.
> >
> > 1. The simplest way, and what I was talking about, is to write and print
> > Sanskrit in
> >     transliteration.
> >
> > ānandaḥ -> ānandaḥ
> >
> > 2. Then we can of course write and print the same word in the usual
> > Indian Script (Devanāgarī)
> >
> > आनन्दः  ->  आनन्दः
> >
> > 3. But for academic use, one wants an input in roman (e-text are usually
> > in roman), and the option
> >     to have an output in Devanāgarī)
> >
> > ānandaḥ ->  आनन्दः
> >
> > For this an option with the transliterator would be required, I guess(?)
> >
> > Theoretically one could write Sanskrit in many scripts -- it has been
> > written
> > with many Indian scripts in history --, but I am wondering about the
> > practical value of this.
> > For imitating historic prints it would no doubt be nice, but not urgent.
> >
> > I was not aware of the hyphenation patterns by Yves Codet, if they work,
> > they would cover case 1
> > and 2. And I just heard from a colleague that the latest babel version
> > is incorporating a Sanskrit option
> > that might cover the same ground (I am not sure whether this is useful).
> >
> > Thanks a lot! I just have to learn more about ConTeXt to able to use it:)
>
> does the attached sort of what you want
>
> 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
>
> -----------------------------------------------------------------___________________________________________________________________________________
> 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://context.aanhet.net
> archive  : https://bitbucket.org/phg/context-mirror/commits/
> wiki     : http://contextgarden.net
>
> ___________________________________________________________________________________
>

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___________________________________________________________________________________

Re: new upload

[Hans Hagen via ntg-context]

On 1/15/2022 3:52 PM, Alexandre Christe via ntg-context wrote:
> Just came across a weird behavior with the latest upload.
> 
> The following doesn't print as it should
> \startformula 4^{2x} - 4^x - 25 = 0 \stopformula
> 
> I don't think it's normal (I see the spacing to make room for anything 
> that comes after the first character in the exposant, but it is not 
> printed).
i'll fix it ...



-----------------------------------------------------------------
                                           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!

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___________________________________________________________________________________

Re: new upload

[Fabrice Couvreur via ntg-context]

[-- Attachment #1.1: Type: text/plain, Size: 1683 bytes --]

Hi Hans
I just updated lmtx and this macro does not work although it did before. On
the other hand, no problem with context.
Thanks.
Fabrice

 \protected\def\e#1{\math{{\rm e}^{#1}}\autoinsertnextspace}

\starttext
\startformula
\e{a+b}
\stopformula
\stoptext


Le sam. 15 janv. 2022 à 16:14, Hans Hagen via ntg-context <
ntg-context@ntg.nl> a écrit :

> On 1/15/2022 3:52 PM, Alexandre Christe via ntg-context wrote:
> > Just came across a weird behavior with the latest upload.
> >
> > The following doesn't print as it should
> > \startformula 4^{2x} - 4^x - 25 = 0 \stopformula
> >
> > I don't think it's normal (I see the spacing to make room for anything
> > that comes after the first character in the exposant, but it is not
> > printed).
> i'll fix it ...
>
>
>
> -----------------------------------------------------------------
>                                            Hans Hagen | PRAGMA ADE
>                Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
>         tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
> -----------------------------------------------------------------
>
> ___________________________________________________________________________________
> 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://context.aanhet.net
> archive  : https://bitbucket.org/phg/context-mirror/commits/
> wiki     : http://contextgarden.net
>
> ___________________________________________________________________________________
>

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Re: new upload

[Hans Hagen via ntg-context]

On 1/15/2022 4:16 PM, Fabrice Couvreur via ntg-context wrote:
> Hi Hans
> I just updated lmtx and this macro does not work although it did before. 
> On the other hand, no problem with context.
> Thanks.
> Fabrice
> 
>   \protected\def\e#1{\math{{\rm e}^{#1}}\autoinsertnextspace}
> 
> \starttext
> \startformula
> \e{a+b}
> \stopformula
> \stoptext
if the test suite doesn't crash (i only test that) i'll upload ... it 
has to do with decoupling some in the engine: tex uses lots of shifting, 
cheating on dimensions and displacements that relate to (older) fonts 
and for the purpose of tracing i changed some ... so we're seeing a side 
effect of that

for a while we already have this:

\tracingmath2\tracingonline2

just to give an idea what enters tex's math machinery

5:7: > \inlinemath=
5:7: \displaystyle
5:7: \mathord
5:7: .\nucleus
5:7: ..\mathchar (fam="0,char="65)
5:7: .\superscript
5:7: ..\mathlist
5:7: ...\mathord
5:7: ....\nucleus
5:7: .....\mathchar (fam="0,char="61)
5:7: ...\mathbin
5:7: ....\nucleus
5:7: .....\mathchar (fam="0,char="2B)
5:7: ...\mathord
5:7: ....\nucleus
5:7: .....\mathchar (fam="0,char="62)

i'll upload a fixed version

fwiw: \frac and friends are currently being redone; for that we now have 
a frac class (as well as rad), so

   \mathfrac{...}
   \mathrad{...}

in addition to \mathord etc other new things are

   \beginmathgroup ... \endmathgroup

that permits better local settings without messing up the spacing due to 
classes and we have dozens more spacing class variables ... all waiting 
to be used (some features are already there for more than a year but now 
get used in low level code, which is why we can expect some instabilities)

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: new upload

[Hans Hagen via ntg-context]

On 1/15/2022 3:52 PM, Alexandre Christe via ntg-context wrote:
> Just came across a weird behavior with the latest upload.
> 
> The following doesn't print as it should
> \startformula 4^{2x} - 4^x - 25 = 0 \stopformula
> 
> I don't think it's normal (I see the spacing to make room for anything 
> that comes after the first character in the exposant, but it is not 
> printed).

to get an idea about default and additional spacing in tex ...

\starttext

\startbuffer
     \dontleavehmode\ruledhbox{$x^2 + x$}\par
     \dontleavehmode\ruledhbox{$x_2 + x$}\par
     \dontleavehmode\ruledhbox{$x^^2 + x$}\par
     \dontleavehmode\ruledhbox{$x__2 + x$}\blank
\stopbuffer

\startTEXpage[offset=3pt]
     \getbuffer
     \Umathspaceafterscript \textstyle0pt
     \Umathspacebeforescript\textstyle0pt
     \getbuffer
     \Umathextrasupspace    \textstyle20pt
     \Umathextrasubspace    \textstyle40pt
     \Umathextrasupprespace \textstyle10pt
     \Umathextrasubprespace \textstyle30pt
     \getbuffer
\stopTEXpage

\stoptext

so by default there is space added to scripts (more in latin modern than 
in cmr btw as it is font driven) but one can argue if that makes sense 
at all ... this is why we might default to zero font spacing and 
specific super/subscript spacing instead (just as in lmtx we have 
prescripts and related (fake opentype) spacing)

in a similar fashion there is built-in pre/post fraction spacing that 
makes that we cannot have tight fractions (by default) while in fact 
that has to be driven by proper fraction-class spacing so that's another 
thing that might happen: tight fractions + proper interclass spacing 
(because we have less memory constraints than when tex showed up we can 
add classes without overhead)

(i bet that due to a 'tex does perfect math syndrome' these thinsg go 
unnoticed (not by DEK himself, just look at the chapters on finetunign 
math) ... some of it is also compensate for the width-of-glyph cheating 
that goes on in the traditional engine but that is another matter

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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undefined control sequence c!symbolcolor in MkIV, was new upload

[Rik Kabel via ntg-context]

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MWE:

    \definelabel[xx][headcolor=red]
    \starttext
    ab\xx
    \stoptext

fails, reporting in log:

    tex error       > tex error on line 4 in file G:/Desktop/mwe.tex: !
    Undefined control sequence

    <argument> \c!symbolcolor

    \labelparameter #1->\csname \ifcsname \??labels \currentlabel :#1
    \endcsname \??labels \currentlabel :#1\else \expandafter
    \dolabelparentparameter \csname \??labels \currentlabel :\s!parent
    \endcsname {#1}\fi \endcsname
    \useconstructionstyleandcolor ...pty \else
    \dousecurrentstyleparameter \fi \edef \currentcolorparameter
    {\labelparameter {#2}

MkIV only, no problem in LMTX.

-- 
Rik

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Re: undefined control sequence c!symbolcolor in MkIV, was new upload

[Hans Hagen via ntg-context]

On 1/15/2022 7:34 PM, Rik Kabel via ntg-context wrote:
> MWE:
> 
>     \definelabel[xx][headcolor=red]
>     \starttext
>     ab\xx
>     \stoptext
> 
> fails, reporting in log:
> 
>     tex error       > tex error on line 4 in file G:/Desktop/mwe.tex: !
>     Undefined control sequence
> 
>     <argument> \c!symbolcolor
> 
>     \labelparameter #1->\csname \ifcsname \??labels \currentlabel :#1
>     \endcsname \??labels \currentlabel :#1\else \expandafter
>     \dolabelparentparameter \csname \??labels \currentlabel :\s!parent
>     \endcsname {#1}\fi \endcsname
>     \useconstructionstyleandcolor ...pty \else
>     \dousecurrentstyleparameter \fi \edef \currentcolorparameter
>     {\labelparameter {#2}
> 
> MkIV only, no problem in LMTX.
replace by \c!numbercolor and remake the format


-----------------------------------------------------------------
                                           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: undefined control sequence c!symbolcolor in MkIV, was new upload

[Rik Kabel via ntg-context]

On 2022-01-15 14:29, Hans Hagen wrote:
> On 1/15/2022 7:34 PM, Rik Kabel via ntg-context wrote:
>> MWE:
>>
>>     \definelabel[xx][headcolor=red]
>>     \starttext
>>     ab\xx
>>     \stoptext
>>
>> fails, reporting in log:
>>
>>     tex error       > tex error on line 4 in file G:/Desktop/mwe.tex: !
>>     Undefined control sequence
>>
>>     <argument> \c!symbolcolor
>>
>>     \labelparameter #1->\csname \ifcsname \??labels \currentlabel :#1
>>     \endcsname \??labels \currentlabel :#1\else \expandafter
>>     \dolabelparentparameter \csname \??labels \currentlabel :\s!parent
>>     \endcsname {#1}\fi \endcsname
>>     \useconstructionstyleandcolor ...pty \else
>>     \dousecurrentstyleparameter \fi \edef \currentcolorparameter
>>     {\labelparameter {#2}
>>
>> MkIV only, no problem in LMTX.
> replace by \c!numbercolor and remake the format
>
>
This is still (or perhaps once again) a problem using the latest MkIV 
(context --luatex).

-- 
Rik

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Re: undefined control sequence c!symbolcolor in MkIV, was new upload

[Adam Reviczky via ntg-context]

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Hi Rik,

In the interim you can change one more occurrence of "symbolcolor" in line
317:
https://github.com/reviczky/context-mirror/commit/f4bfe0baaeb4bdcc6b8098de6ef1f8c96f928d07

Adam

On Wed, Jan 19, 2022 at 5:31 PM Rik Kabel via ntg-context <
ntg-context@ntg.nl> wrote:

> On 2022-01-15 14:29, Hans Hagen wrote:
> > On 1/15/2022 7:34 PM, Rik Kabel via ntg-context wrote:
> >> MWE:
> >>
> >>     \definelabel[xx][headcolor=red]
> >>     \starttext
> >>     ab\xx
> >>     \stoptext
> >>
> >> fails, reporting in log:
> >>
> >>     tex error       > tex error on line 4 in file G:/Desktop/mwe.tex: !
> >>     Undefined control sequence
> >>
> >>     <argument> \c!symbolcolor
> >>
> >>     \labelparameter #1->\csname \ifcsname \??labels \currentlabel :#1
> >>     \endcsname \??labels \currentlabel :#1\else \expandafter
> >>     \dolabelparentparameter \csname \??labels \currentlabel :\s!parent
> >>     \endcsname {#1}\fi \endcsname
> >>     \useconstructionstyleandcolor ...pty \else
> >>     \dousecurrentstyleparameter \fi \edef \currentcolorparameter
> >>     {\labelparameter {#2}
> >>
> >> MkIV only, no problem in LMTX.
> > replace by \c!numbercolor and remake the format
> >
> >
> This is still (or perhaps once again) a problem using the latest MkIV
> (context --luatex).
>
> --
> Rik
>
>
> ___________________________________________________________________________________
> 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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> wiki     : http://contextgarden.net
>
> ___________________________________________________________________________________
>

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Re: undefined control sequence c!symbolcolor in MkIV, was new upload

[Hans Hagen via ntg-context]

On 1/19/2022 6:29 PM, Rik Kabel wrote:

> This is still (or perhaps once again) a problem using the latest MkIV 
> (context --luatex).
not twice a day upload for something like that -)

Hans

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