- ntg-context - NTG Mailing Lists

em-/en-dashes and newotf
by Pablo Rodriguez 19 Jul '15

19 Jul '15

Hans, with the following sample: \usemodule[newotf] %~ \setupbodyfont %~ [palatino] \starttext --- em--dash (with en--dash inside) \stoptext I discovered that em- and en-dashes aren’t enabled by default. Is this intended? Many thanks for your help, Pablo -- http://www.ousia.tk

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User-Defined Command With Key-Value Options
by joasyannick＠gmail.com 19 Jul '15

19 Jul '15

Dear everyone, I am currently implementing the old French Bible of David Martin in ConTeXt MkIV. The source code looks like this: \startproduct martin1707 \project bibles % Font settings, page layout, etc. \startbiblebook[number={1}, name={Genéſe}, abbreviation={Gen.}, title={Le premier livre de Moyſe dit la Genéſe}] \startbiblechapter[number={1}] \startbibleverse[number={1}] Au commencement Dieu créa les cieux & la terre. \stopbibleverse \stopbiblechapter \stopbiblebook \startbiblebook[number={45}, name={Romains}, abbreviation={Rom.}, title={Epiſtre de ſaint Paul apoſtre aux romains}] \startbiblechapter[number={12}] \startbibleverse[number={1}] Je vous exhorte donc, \bibleaddition{mes} fréres, par les compaſſions de Dieu, que vous préſentiez vos corps en ſacrifice vivant, ſaint, agréable à Dieu, \bibleaddition{qui eſt} vôtre raiſonnable ſervice. \stopbibleverse \startbibleverse[number={2}] Et ne vous conformez point à ce préſent ſiecle, mais ſoyez transformez par le renouvellement de vôtre entendement, afin que vous éprouviez quelle eſt la volonté de Dieu, bonne, & agréable, & parfaite. \stopbibleverse \stopbiblechapter \stopbiblebook \stopproduct As you may know, the Bible is divided into books. These books are divided into chapters, and the chapters into verses. The purpose of \start(\stop)biblebook, \start(\stop)biblechapter, and \start(\stop)bibleverse is to format the books, chapters, and verses respectively (as the commands \start(\stop)section, \start(\stop)subsection, etc., do). As you see, theses commands are user-defined and take key-value options. My goal is to define their semantics (the way they do the formatting) with Lua. But I do not knwo how to do this. I know a bit about programming, and learning Lua is not a problem for me. Thanking you in advance, All the best.

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SyncTeX (TeXworks) - \enabledirectives[system.synctex]
by Procházka Lukáš Ing. - Pontex s. r. o. 18 Jul '15

18 Jul '15

Hello, two questions related to SyncTeX (and maybe on TeXworks): 1. The following code: ---- \enabledirectives[system.synctex] \starttext Hello! \startluacode % line 6 context("Something") \stopluacode \stoptext ---- doesn't produce SyncTeX file (SyncTeX.synctex.gz). When I compile the file with "context.exe --synctex" option, the file is produced. Does it mean that "\enabledirectives[system.synctex]" is deprecated? 2. In the code above, text "Hello!" is generated in "normal TeX scope" whilst "Something" is generated from within Lua. When I click "Jump to source" from TeXworks editor and previewer, jumping from "Something" works well and goes to the source "SyncTeX.mkiv" correctly. "Jumping to source" from "Something" yields "Cannot read file <directory-of-the-source-file>" error (see attached picture). I don't know whether this relates to ConTeXt or rather TeXworks; for the case it should relate to ConTeXt, would it be possible generate an anchor (e.g.) to the nearest encapsulating \startluacode (if present; or \ctxlua, \cldcontext and so), so that "Jump to source" over "Something" would jump to \startluacode on "line 6"? Best regards, Lukas -- Ing. Lukáš Procházka | mailto:LPr@pontex.cz Pontex s. r. o. | mailto:pontex@pontex.cz | http://www.pontex.cz Bezová 1658 147 14 Praha 4 Tel: +420 241 096 751 Fax: +420 244 461 038

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Math - how to mix fonts?
by Procházka Lukáš Ing. - Pontex s. r. o. 18 Jul '15

18 Jul '15

Hello, I am not very familiar with mixing fonts in math. I would need to mix several font styles: 1. "normal" (default - slanted, serif) for general variables, 2. slanted serif bold for vectors, 3. slanted sans bold for varieties. In the following snippet, the right fonts are displayed in the \text scope, but not in the math: ---- \definetypeface[boldmath][mm][boldmath][latin-modern][default] \starttext \startformula \text{\sl 1. Normal:}\quad Abcd \alpha \stopformula \startformula \text{\bs 2. Bold:}\quad\boldmath{Abcd \alpha} \stopformula \startformula \text{\bs\ss 3. SansBold:}\quad\ss\boldmath{Abcd \alpha} \stopformula \stoptext ---- You can see that \boldmath has no effect (although "\definetypeface[boldmath][mm][boldmath][latin-modern][default]" was used, as described on http://wiki.contextgarden.net/Bold_Math ). So - what is the best way to define (enable) and use fonts styles 1.-3. in math? ( Notes: - The font must allow to type Greek letters - \alpha. - Other font(s) than LatinModern may be used for math, if it enables bold and sans switching. ) Best regards, Lukas -- Ing. Lukáš Procházka | mailto:LPr@pontex.cz Pontex s. r. o. | mailto:pontex@pontex.cz | http://www.pontex.cz Bezová 1658 147 14 Praha 4 Tel: +420 241 096 751 Fax: +420 244 461 038

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What is a better way to do this macro?
by Idris Samawi Hamid ادريس سماوي ح امد 17 Jul '15

17 Jul '15

Dear gang, Consider the following (also attached): =====choice-cs.tex==== \def\CHOICE#1#2{\leavevmode\vbox{\tabskip=0pt\everycr={} \halign{\strut\hfil##\hfil\cr#1\cr#2\cr}}} \setuppagenumber[state=stop] \setupwhitespace[big] \starttext (One~* Two~* Three~* Four) is even. (\CHOICE{x}{One}~* \CHOICE{1}{Two}~* \CHOICE{x}{Three}~* \CHOICE{2}{Four}) is even. \stoptext ====================== What is best way to define the \CHOICE macro without low-level TeX commands, only high-level ConTeXt commands? Thanks in advance and Best wishes Idris -- Idris Samawi Hamid Professor of Philosophy Colorado State University Fort Collins, CO 80523

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Re: [NTG-context] where are the pret-xxxx.lua ?
by Eric Détrez 17 Jul '15

17 Jul '15

Le 17-07-2015 14:58, Wolfgang Schuster a écrit : >> Eric Détrez >> 17. Juli 2015 09:27 >> I wish to print some highlighted source codes. >> The Context garden says "There are already some formatters for >> several programming languages in the ConTeXt distribution". >> I can see the verb-xxxx (for mkII) but no pret-xxx (for mkIV) in the >> base folder. >> Is it possible to get syntax highlight in mkIV ? > You can enable syntax highlighting for TeX, Lua, XML and MetaPost > with MkIV. To enable the option pass "option=...” to the > \starttyping command or create your own environment with the > \definetyping command. OK Thank you for the working example. But my question asked where are the config files : I want to get a Python pretty-printing. The module abr-01 seems the key but I couldn't find it. It seems that the answer could be in the t-vim (third party) module. It uses the syntax analysis from VIm (you have to install it :)) -- Eric Détrez Informatique Lycée Faidherbe, Lille http://eric-detrez.fr

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where are the pret-xxxx.lua ?
by Eric Détrez 17 Jul '15

17 Jul '15

I wish to print some highlighted source codes. The Context garden says "There are already some formatters for several programming languages in the ConTeXt distribution". I can see the verb-xxxx (for mkII) but no pret-xxx (for mkIV) in the base folder. Is it possible to get syntax highlight in mkIV ? -- Eric Détrez Informatique Lycée Faidherbe, Lille http://eric-detrez.fr

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TeX capacity exceeded - in Lua block - why?
by Procházka Lukáš Ing. - Pontex s. r. o. 16 Jul '15

16 Jul '15

Hello, why this code: ---- \def\GG{\ifmmode G_G\else$\GG$\fi} \starttext \GG $\GG$ % OK \startitemize[][] \sym{\GG} \GG % OK \stopitemize \startluacode context.startitemize() context.sym([[\GG]]) context("Abc") context.stopitemize() \stopluacode \stoptext ---- fails with: " ... tex error > tex error on line 14 in file d://Lukas/Docs/Ull-Gra/Test/Abr.mkiv: ! TeX capacity exceeded, sorry [input stack size=10000] \GG ->\ifmmode G_G\else $\GG $\fi \GG ->\ifmmode G_G\else $\GG $\fi \GG ->\ifmmode G_G\else $\GG $\fi \GG ->\ifmmode G_G\else $\GG $\fi \GG ->\ifmmode G_G\else $\GG $\fi \GG ->\ifmmode G_G\else $\GG $\fi ... l.14 \stopluacode ... " I need to call "\GG" from within Lua, and the real macro name is created run-time (contrary to this MNWE; so to be \GG, \HH, \Fik etc. - the name is obtained from a Lua table as a string). I cannot understand why all TeX calls are OK but the problem appears in Lua block... Best regards, Lukas -- Ing. Lukáš Procházka | mailto:LPr@pontex.cz Pontex s. r. o. | mailto:pontex@pontex.cz | http://www.pontex.cz Bezová 1658 147 14 Praha 4 Tel: +420 241 096 751 Fax: +420 244 461 038

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Dig out contents of the TeX macro using Lua
by Jaroslav Hajtmar 15 Jul '15

15 Jul '15

Hello ConTeXist. I hope that my crazy questions not much bother. This time I needed to get to the fair value of the parameter, delivering to lua function over the content macros. Obviously it's my misunderstanding of the functioning of expansion in case maker with optional parameters, or you really can not explain the functioning of the transmission values. It seems that is passed to a sort of reference as to the actual contents of the macro perhaps can not even get through Lua. Or did they? The following minimal example, perhaps explain what going on. The question ultimately: Is there any alternative how using Lua somehow easily evaluate the macro content? For example to determine whether two different macros have the same content? Jaroslav Hajtmar here is minimal example: \starttext This works as expected: \def\makrowithAAAAcontent{AAAA} \edef\testparameter#1{% \startluacode local parameter='#1' if parameter=='AAAA' then context('TRUE. ') else context('FALSE. ') end context('Parameter '..parameter..' has length '..string.len(parameter)) \stopluacode }% \type{\makrowithAAAAcontent} -- \makrowithAAAAcontent Test is \testparameter{BBBB} Test is \testparameter{AAAA} % OK Test is \testparameter{\makrowithAAAAcontent} % OK But what about with this: ??? % initialize values \startluacode A={} for i=1,50 do A[i]='Record '..tostring(i) end A[25]='AAAA' \stopluacode \def\makrowithAAAAcontent{AAAA} \def\lastname{\dosingleempty\dolastname}% \def\dolastname[#1]{\doifsomethingelse{#1}{\ctxlua{context(A[#1])}}{\makrowithAAAAcontent}}% \type{\lastname} - \lastname \type{\lastname[2]} - \lastname[2] \type{\lastname[5]} - \lastname[5] \type{\lastname[25]} - \lastname[25] \edef\readandprocessparameters#1#2{% \startluacode local parameter1='#1' if parameter1=='AAAA' then context('Test '..parameter1..' = AAAA is TRUE. ') else context('Test '..parameter1..' = AAAA is FALSE. ') end context('Parameter 1 = '..parameter1..' has length '..string.len(parameter1)) context('\\crlf') local parameter2='#2' if parameter2=='AAAA' then context('Test '..parameter2..' = AAAA is TRUE. ') else context('Test '..parameter2..' = AAAA is FALSE. ') end context('Parameter 2 = '..parameter2..' has length '..string.len(parameter2)) context('\\crlf') \stopluacode }% \readandprocessparameters{AAAA}{BBBB} %Test is \readandprocessparameters{\lastname[25]}{\lastname} % Crashed \readandprocessparameters{\\lastname[25]}{\\lastname} \stoptext

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Bug: Figures in columnset not displayed or compilation fails
by Andreas Becker 13 Jul '15

13 Jul '15

ConTeXt version: 2015.07.10 00:05 When I attempt to compile the minimal examples listed below with «context», wrong behavior can be observed. No problems occur if it is compiled with «texexec». The problems seem to arise when there are figures in a columnset in proximity to a page break. If there are two consecutive figures at the page end, the compilation fails in some cases. In example #1, if the figure height is large enough that the figure does not fit on the first page, the figure is not displayed at all. I tried different position keys and observed no difference. The last occurence of «\input lorem» is mandatory for this behavior. In example #2, if the height of either of the figures so large, that is it not possible to put both figures on the first page, and the size of the other figure is small enough, that this single figure would fit on the page, the compilation error #1 occurs. This is independent of the consecutive text, i. e. the last «\input lorem» line. If the position keyword «top» is assigned to the smaller figure, it is displayed, unlike the other, large figure. If both figure heights are large, no figure is displayed (like in example #1) unless we remove the last «\input lorem» line. By the way, the path in \externalfigure does not point to an existing file. Regards, Andreas Example #1: \starttext \startcolumnset \chapter{chap} \input lorem \input lorem \input lorem \placefigure[][]{}{\externalfigure[bla][height=7cm]} \input lorem \stopcolumnset \stoptext Example #2: \starttext \startcolumnset \chapter{chap} \input lorem \input lorem \input lorem \placefigure[][]{}{\externalfigure[bla][height=2cm]} \placefigure[][]{}{\externalfigure[bla][height=9cm]} \input lorem \stopcolumnset \stoptext Error #1: lua error > lua error on line 9 in file /home/user/contest/bla.tex: ...ext-minimals/texmf-context/tex/context/base/node-aux.lua:92: You cannot set field list in a node of type glue_spec stack traceback: [C]: in function 'setfield' ...ext-minimals/texmf-context/tex/context/base/node-aux.lua:92: in function 'takebox' ...ext-minimals/texmf-context/tex/context/base/node-aux.lua:100: in function 'textakebox' ...ext-minimals/texmf-context/tex/context/base/page-flt.lua:137: in function <...ext-minimals/texmf-context/tex/context/base/page-flt.lua:133> (...tail calls...) 1 \starttext 2 \startcolumnset 3 \chapter{chap} 4 \input lorem \input lorem 5 \input lorem 6 \placefigure[][]{}{\externalfigure[bla][height=2cm]} 7 \placefigure[][]{}{\externalfigure[bla][height=9cm]} 8 \input lorem 9 >> \stopcolumnset 10 \stoptext

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