July 2015 - ntg-context - NTG Mailing Lists

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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Re: [NTG-context] Using lua to define a macro with one optional parameter in brackets
by Jaroslav Hajtmar 13 Jul '15

13 Jul '15

Thanks Hans. At this moment, it works fine. For me it is quite essential novelty and it is very much handy for me. It seems that works only in the standalone version because version in TeXlive 2014 version it tells an error message (but does not matter on it). I want to even ask how you can write a macro with one or more parameters? Now the parameter in square brackets displayed together with the contents of the macro. You can do this at all? It would get any minimal example? Thanks again for your support. Jaroslav Hajtmar Dne 9. 7. 2015 v 17:24 Hans Hagen napsal(a): > On 7/9/2015 5:05 PM, Jaroslav Hajtmar wrote: >> Thanx to Hans and Taco too, >> >> ad Taco) ala Perhaps interfaces.definecommand could be extended with a >> way to do global definitions? >> Indeed it seems to me. Changes in lua code does not affect the results >> in ConTeXt. >> >> ad Hans) interfaces.setmacro("name","value") >> >> Thanx, II tried to use it, but somehow I can not realize what I wanted. >> Not available somewhere a minimal example? I tried to scan codes in the >> folder with the installation of ConTeXt, but I never encountered a >> working example of where you could bounce. >> Thanks Jaroslav Hajtmar > > \starttext > > \startluacode > interfaces.setmacro("foo","bar") > \stopluacode > > \foo > > \start > \startluacode > interfaces.setmacro("foo","foo","global") > \stopluacode > \stop > > \foo > > \stoptext > > ----------------------------------------------------------------- > Hans Hagen | PRAGMA ADE > Ridderstraat 27 | 8061 GH Hasselt | The Netherlands > tel: 038 477 53 69 | voip: 087 875 68 74 | www.pragma-ade.com > | www.pragma-pod.nl > ----------------------------------------------------------------- > ___________________________________________________________________________________ > > If your question is of interest to others as well, please add an entry > to the Wiki! > > maillist : ntg-context(a)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 > ___________________________________________________________________________________ > ___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context(a)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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Aligned equations break grid
by Sebastian Ørsted 13 Jul '15

13 Jul '15

Hi, I'm new on this mailing list. I subscribed in order to report the following, which I think is a bug in ConTeXt: An aligned set of equations does not respect the grid and puts the rest of the page out of alignment with the grid. It is most easily seen on this post on TeX.SE <http://tex.stackexchange.com/questions/254815/grid-on-aligned-equations-in-…> . Best regards, The TeX.SE user Gaussler

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newotf definefontfeatures problem with script=hebr
by Rik Kabel 12 Jul '15

12 Jul '15

The following code fails; however, it succeeds without newotf, and it succeeds with newotf if the defined font feature (*hebrew) is removed from the \definefont command. The characters that demonstrate the problem are HEBREW LETTER LAMED combined with HEBREW POINT HOLAM, followed by HEBREW LETTER ALEF (U05DC with combining U05B9 followed by U05D0). I have not come across other combinations that cause the problem, but I have not done an exhaustive search. \usemodule [newotf] \setupdirections [bidi=global] \definefontfeature [hebrew] [default] [lang=heb,ccmp=yes,script=hebr] \definefont [Hebrew] [sileot*hebrew] \starttext \startTEXpage This is okay:{\hfill\Hebrew לא} This is okay:{\hfill{\Hebrew לֹ}} This fails:{\hfill{\Hebrew לֹא}} \stopTEXpage \stoptext It reports: error: C:/ConTeXt/tex/texmf-context/tex/context/base/font-ots.lua:1586: attempt to index a number value tex error > tex error on line 13 in file C://Users/rik/Desktop/newotf-features.tex: ? <inserted text> \par <to be read again> \vss \pack_framed_do_bottom ...amedparameter \c!bottom \raggedbottomcommand <to be read again> \localendstrut \pack_framed_do_bottom \egroup \stopfittingpage ->\removeunwantedspaces \egroup \egroup \doif {\fittingpage... l.13 \stopTEXpage The same problem occurs in the same way with the following fonts, most of which are shipped with Windows: Arial Regular Arial Bold Arial Narrow David Regular David Bold Ezra SIL Regular Ezra SIL SR Regular Keter YG Medium Levenim MT Regular Levenim MT Bold Taamey David CLM Tahoma Regular Tahoma Bold Times New Roman Regular Times New Roman Bold

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Bibliography
by Procházka Lukáš Ing. - Pontex s. r. o. 12 Jul '15

12 Jul '15

Hello, I have a bibliography database in Lua. I suppose to use this DB to create a list of publications with Lua and \startpublication ... \stoppublication. So I will get something like: ---- % Will be generated by Lua, but for now >> \startpublication [k=me, t=article, a=LPr, y=2000, s=Shr, n=1, ] \city{Prg} \stoppublication % Will be generated by Lua, but for now << \setuppublications[alternative=apa] \starttext Hello \cite[me] -- \cite[Shr] -- \cite[1]. \placepublications[criterium=all] \stoptext ---- The problem is that \cite produces "(Xxxxxxxxxx, 0000)" and no list of publications is generated. What am I doing wrong? NB: I learned from http://wiki.contextgarden.net/Bibliography_mkiv and http://www.let.rug.nl/alfa/texmf/tetex30/context/bib/bibmod-doc.pdf My one-off is that I have not a .bib file and I would like to avoid .bib generation and use of BibTeX if possible. I guess that having a biblio DB in Lua is handy enough as Lua can convert the DB in whatever format - eg. via context.startpublication(...) ... context.stoppublication() So, how to "handle" the bibliography in a best manner? Than you in advance, 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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[Tools] ConTeXt Language Module for BBEdit, v1.0
by Paul Mazaitis 12 Jul '15

12 Jul '15

Hello list! I am pleased to announce v1.0 of ConTeXtBBLM, a BBEdit Language Module to support ConTeXt. This language module is built for BBEdit v11, and supports MkIV-style sectioning for navigation. A brief list of features: * Navigation by heading titles (including titles from user-defined heads). * Navigation by callouts (TODO:, FIXME:, etc.) in comments. * Navigation to files referenced by the \environment command. * Folding text within balanced \start and \stop commands. * Syntax coloring of text, comments, commands, command parameters, and command options. * Keyword support. * Command completion. More information and sources can be found at: https://github.com/pmazaitis/ConTeXtBBLM. ...and the release is available here: https://github.com/pmazaitis/ConTeXtBBLM/releases/tag/v1.0 ...or here: http://paul.mazaitis.org/assets/ConTeXt-bblm-v1.0.zip Some notes: This language module could (always!) use more testing. Bug reports cheerfully welcome! The language module tries to be clever about recovering from mis-matched /startcommand and /stopcommand pairs when generating folds. This will likely cause surprising behavior if the offending mis-match involves a user-defined head command. For keyword support, the module loads the keyword set from the file "context-keywords.txt" in the Resources directory of the language module plugin. At the moment, this file is empty, and can be customized as needed (plain text, one keyword per line). For command completion, the language module loads a command set from the text file "context-commands-en.txt" in the Resources directory of the language module plugin. I'd like to use the output of: mtxrun -script interface --text ...as a drop-in for this text file, but it appears the command list this script generates is incomplete. Hans or Taco (or anyone?): are there plans to update mtxrun to generate the current complete interface when using this script? Thanks! -Paul

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beta/7.7.2015: error with \in
by Procházka Lukáš Ing. - Pontex s. r. o. 12 Jul '15

12 Jul '15

Hello, I'm getting the following error: " mtx-context | run 1: luatex --fmt="c:/Ctx-Beta/tex/texmf-cache/luatex-cache/context/5fe67e0bfe781ce0dde... iv" --c:kindofrun=1 --c:maxnofruns=9 --c:nonstopmode --c:path="C:\\Lukas\\ConTeXt\\Styles" "cont-yes.mkiv" This is LuaTeX, Version beta-0.80.1 (TeX Live 2015/W32TeX) (rev 5274) \write18 enabled. system > callbacks > not registering frozen 'find_format_file' open source > 1 > 1 > c:/Ctx-Beta/tex/texmf-context/tex/context/base/cont-yes.mkiv ConTeXt ver: 2015.07.07 21:43 MKIV beta fmt: 2015.7.9 int: english/english ... c:/Ctx-Beta/tex/texmf-context/tex/context/base/strc-ref.lua:1610: attempt to index field 'structure' (a nil value) stack traceback: c:/Ctx-Beta/tex/texmf-context/tex/context/base/strc-ref.lua:1610: in function 'identify_inner_or_outer' c:/Ctx-Beta/tex/texmf-context/tex/context/base/strc-ref.lua:1785: in function 'identify' c:/Ctx-Beta/tex/texmf-context/tex/context/base/strc-ref.lua:1806: in function 'action1' [string "..."]:21: in function <[string "..."]:20> (...tail calls...) ... 45 >> Hello \in{kap.}[NonExisting] ... " Any quick fix? ( I'm not attaching a MNWE as the error appears in a large project so extracting a MNWE is not so easy... but is possible... not at the moment... But error message would help. ) 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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