- ntg-context - Mailing Lists

Re: [NTG-context] Problem getting lmtx version up
by Michal Vlasák 17 Jul '21

17 Jul '21

On Sat Jul 17, 2021 at 7:30 AM CEST, Lutz Haseloff wrote: > both binaries work in my system. > (Galaxy A50, Userland, Kali Linux) On Sat Jul 17, 2021 at 10:47 AM CEST, jdh wrote: > Both binaries you provided ran successufully. I ran them both and they > both exited with a 0 return code, when invoked with only the --help > options. > > System ran on: > HW: Raspberry Pi 4 Model B Rev 1.4 > CPU: ARM aarch64 > RAM: 8GB > SSD: 1TB > > OS: aarch64 - Raspberry Pi 64 bit OS. Based on Debian/Linux 10 Lutz, jdh, thanks for testing, great to hear that it works! Although now it remains to apply this technique to LuaMetaTeX. Without access to source code I can't try anything, but the general ideas should apply: I used Zig for cross compiling. While Zig is a full fledged programming language in its own right, it also has the ability to compile C/C++ (with built-in Clang). The more interesting part is that it also bundles different C libraries for the different targets it supports for cross compilation. This is a great match for Lua(Meta)TeX, because standard C library is the only "external" dependency. Depending on the chosen target (CPU+OS+ABI triple), the binary can then be fully statically linked or dynamically linked against the target's system C library. Zig exposes the "C compiler" functionality with two interfaces: the Zig build system and the "zig cc" command. In theory "zig cc" should be a drop-in replacement for "clang" or "gcc" [1] and therefore should be usable with existing build systems used by LuaTeX/LuaMetaTeX. In practice it is not that easy, because some "compiler feature detections" of these build systems often try to run compiled results (and fail). But in the best case (like with Lua) cross compilation may be as easy as: # "bsd" is almost like "linux", but doesn't link "readline" make CC="zig cc -target aarch64-linux-musl" bsd The result is a fully statically linked executable, that can be used on all Linux distributions. But because it is statically linked, dynamic loading of external Lua libraries written in C is not possible. The following will result in a binary that is dynamically linked against (the target system) glibc and should be able to load even Lua libraries written in C: make CC="zig cc -target aarch64-linux-gnu.2.28" bsd (Note that Zig support all relevant glibc versions, that means that compiling for older Linux distributions can be done from any OS, not just ancient Debian or CentOS. Here "2.28" is old enough to support jdh's Raspberry Pi OS -- and anything newer.) Applying this to LuaMetaTeX may or may not be hard. Frankly I don't know much about CMake. But I have experience converting LuaTeX (or rather its subset) to another build systems: 1) https://github.com/vlasakm/mmtex/blob/ltex/build.zig This was used to produce the two binaries I sent previously. Usage (no setup required): wget 'https://github.com/vlasakm/mmtex/archive/refs/tags/cross-test2.zip' unzip cross-test2.zip cd mmtex-cross-test2/ wget 'https://ziglang.org/download/0.8.0/zig-linux-x86_64-0.8.0.tar.xz' tar xf zig-linux-x86_64-0.8.0.tar.xz zig-linux-x86_64-0.8.0/zig build -Dtarget=aarch64-linux-musl qemu-aarch64 zig-out/bin/mmtex --help Something similar should work on Windows/Mac and for other targets (see `zig targets`). 2) https://github.com/vlasakm/mmtex/blob/master/mmtex/files/meson.build This one compiles full LuaTeX, although it doesn't support cross compilation and links to system zlib, libpng and zzliplib. The Zig cross compilation is sadly limited (https://ziglang.org/download/0.8.0/release-notes.html#Tier-1-Support) but not because more exotic systems will never be supported, it's just that nobody did the required work, yet. The support for Linux (various architectures), macOS (aarch64+x86_64) + Windows (x86_64) should be very good. I don't think there is other cross compiler that is able to target the M1 Macs. The Zig build you download from their website [2] is kind of huge, but note that it includes LLVM+Clang+Zig in one single dependency free binary + (efficiently packed) C libraries for many targets. I.e. this is all you need for all your C/C++/Zig. Provided that you (as of now) don't need anything other than Linux/Mac/Windows. Hans, Mojca, is this something worth pursuing for LuaMetaTeX before "native" compilation is available? I am interested in trying. Michal Vlasák [1]: https://andrewkelley.me/post/zig-cc-powerful-drop-in-replacement-gcc-clang.… [2]: https://ziglang.org/download/

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reusableMPgraphic
by Thomas A. Schmitz 15 Jul '21

15 Jul '21

Hi all, I don’t know if I’m overlooking something really basic or if this is a bug. The following MWE compiles with mkiv, but not with lmtx: \startreusableMPgraphic{fold} fill unitsquare xyscaled (1mm,1mm) withcolor blue ; \stopreusableMPgraphic \definelayer[foldingmarkslayer][width=\paperwidth,height=\paperheight] \setlayer[foldingmarkslayer][y=101mm,x=11mm]{\reuseMPgraphic{fold}} \setupbackgrounds [page][background=foldingmarkslayer] \starttext Test \stoptext The error I get: tex error on line 6 in file ./test.tex: Use of \meta_usempgraphic_nop doesn't match its definition Any pointers? Thanks Thomas

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Extract bib entries used in a document
by Benjamin Buchmuller 15 Jul '21

15 Jul '21

I was wondering if there is a way to get the internal bibliography manager to write out a .bib (or XML or Lua table) containing only the entries used in a document? Somewhat similar to BibTeX (https://tex.stackexchange.com/questions/41821/creating-bib-file-containing-…) I guess it must be internally created, but I don't see, at least from the manual, a command like \exportbtxdataset[default][way=bytext][used_references.bib]. Two use cases: (1) Sharing a clean bib file with someone. (2) Merging bib files from different sources based on the document. (Or even by chapter.) Thanks for your reply. Benjamin

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Problem with chapter numbering
by Fabrice Couvreur 15 Jul '21

15 Jul '21

Hi, For my book, the header for each chapter should be like the attached image. I don't know if I am using the best method, but the result looks like what I want. Nevertheless, I am having a problem. I don't understand why the first chapter is not numbered while the second is with number 1 etc. Thanks. Fabrice ################################### \definecolor[MyColorA][r=0.8784, g=0.8784, b=0.8784] \defineframedtext [FramedText] [ offset=0.6em, style=, toffset=\lineheight, background=color, backgroundcolor=MyColorA, foregroundstyle={\switchtobodyfont[11pt]}, align={left, broad}, frame=off, width=\textwidth, ] \setuplabeltext [en] [chapter=CHAPITRE] \setuppagenumbering [alternative=doublesided,location=] \unexpanded\def\HeadTitle#1#2% { \FramedText{{\cap\labeltext{chapter}}\space#1 \\ \bfc#2} } \unexpanded\def\processheadnumber#1% {\getmarking[chapternumber]} \setuphead [chapter] [style=\bfd, align={flushleft,broad}, numbercommand=\processheadnumber, command=\HeadTitle] \starttext \startchapter [title={La récurrence}] \startsection[title={Le principe de récurrence}] \input knuth \stopsection \startsection[title={Le raisonement par récurrence}] \input knuth \stopsection \startsection[title={Récurrences fortes}] \input knuth \stopsection \startsection[title={Exercices corrigés}] \input knuth \stopsection \stopchapter \startchapter [title=Combinatoire-Dénombrement] \input knuth \stopchapter \startchapter [title=Suites] \input knuth \stopchapter \stoptext ####################################

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lmtx install problem
by jdh 15 Jul '21

15 Jul '21

I've downloaded and ran the install...sh script from the directory: /opt/context-lmtx It indicates that it completed successully, but there is no 'tex' directory anywhere in the resulting /opt/context-lmtx directory tree. Please advise on how to get context-ltmx up and running. Thank you.

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number in \doloopoverlist?
by Pablo Rodriguez 15 Jul '21

15 Jul '21

Dear list, I have the following sample: \starttext \doloopoverlist{a,b,c,d} {\recursestring, number: \recurselevel\\} \stoptext Which is the way to get the number when looping over a list? Many thanks for your help, Pablo -- http://www.ousia.tk

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A not so short introduction to ConTeXt - French version - progress report.
by Garulfo 15 Jul '21

15 Jul '21

Hi all, concerning the fr version of "not so short introduction to ConTeXt" I have just finished an attempt to reorganise the content. It is in "fr2" directory in the Github repository https://github.com/contextgarden/not-so-short-introduction-to-context It results from many many "copy/paste". I still have to review all the pages and flow between each section … (and after to switch to the french interface of ConTeXt commands …). New Table of Content Part 1 - source code basics ------------------------------------------- - source file - syntax - file organization Part 2 - Markup ------------------------------------------------------- - Chapter 2.1 - Main information flow Mostly linear flow From micro to more "structured + macro" items - Paragraphes - Emphase de mots - Emphase de paragraphes - Encadrement - Lignes et traits - Citations - Listes structurées - Description et énumération - Textes tabulés - Tableaux - Images et Combinaisons - Objets flottants - Sections - Macro-structure - Page de couverture et de titre - Mathématiques - Colonnes - Autres éléments spécialisés - Chapter 2.2 - Complements to the main information flow Much less linear, it brings links, connexions - Table des matières - Abréviations et glossaire - Notes de bas de page - Notes marginales - Pièces jointes - Références internes - Références externes - Références bibliographiques - Listes des images, tableaux... - Index Part 3 - Typesetting "overall" --------------------------------- - Page layout - En-tête et pied de page - Polices - Couleurs - Langue - Interactivité Part 4 - Typesetting "specific" --------------------------------- - mirror of Part 2 3 principles for this new organization : 1/ clearly split "markup" and "typesetting/formatting" in order to - help the reader to tidy up concepts / ideas - deal with the markup (part 2) in as few as possible pages - <60 pages - one topic = 1 or 2 pages - no - prepare user to use env files - limit digression as much as possible 2/ clearly split "main flow" and "complements to main flow" in order to - again help the reader to tidy up concepts / ideas - highlight the fact that complements are usually used to enrich the main flow with "non-linearity" 3/ clearly split "general/global" and "specific/local" typesettings in order to - again help the reader to tidy up concepts / ideas - prepare user to organise his env files You can find a one page summary here : https://raw.githubusercontent.com/contextgarden/not-so-short-introduction-t… The 8 following pages provide a quick visual overview of the 28 topics that will be detailed in "part 2" and "part 4". Links help the reader to go on the associated pages (markup or typesetting) Any comment or idea is welcome.

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Proper ligatures in Malayalam
by Ajith R 14 Jul '21

14 Jul '21

Hi, I tried to make a document in Malayalam, an Indian language. However, the ligatures don't form as expected. A minimal example is \mainlanguage[ml] \definefontfamily [malayalam] [ss] [Rachana] [features=malayalam-one] \definefontfeature[default] [mode=node,kern=yes, liga=yes,tlig=yes, ccmp=yes,language=dflt, protrusion=quality, expansion=quality] \setupbodyfont [malayalam] \starttext അദ്ധ്യായം \stoptext What setting am I missing? The expected form is show in libre office with the same text and font, attached as an image The sequence of Malayalam characters used is U+0D05 U+0D26 U+0D4D U+0D27 U+0D4DU+0D2F U+0D3E U+0D2F U+0D02 Thanks, ajith

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Re: [NTG-context] weekend upload - stacking and animation
by Jeong Dal 14 Jul '21

14 Jul '21

Dear Hans, Aditya, Now, I understand the stacking method. I made a simple animation using it. \startuseMPgraphic{demo} for i=1 upto 10: draw fullcircle scaled (.3*i*cm) withcolor (.1*i*red) withpen pencircle scaled (.5*bp) withstacking i; endfor; \stopuseMPgraphic \setupinteraction[state=start] \usemodule[animation] \starttext \startanimation[menu=yes] % \dorecurse{10} % { {\useMPgraphic[stacking={#1}]{demo}}} {\useMPgraphic[stacking={1}]{demo}} {\useMPgraphic[stacking={2}]{demo}} {\useMPgraphic[stacking={3}]{demo}} {\useMPgraphic[stacking={4}]{demo}} {\useMPgraphic[stacking={5}]{demo}} {\useMPgraphic[stacking={6}]{demo}} {\useMPgraphic[stacking={7}]{demo}} {\useMPgraphic[stacking={8}]{demo}} {\useMPgraphic[stacking={9}]{demo}} {\useMPgraphic[stacking={10}]{demo}} \stopanimation \stoptext However, I cannot succeed to use \dorecurse to make the code simple. If there is another good method, please let me know. Anyway, thanks for this new feature! Best regards, Dalyoung

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Header for a book
by Fabrice Couvreur 13 Jul '21

13 Jul '21

Hi, For my book, the header for each chapter should be like the attached image. I don't know if I am using the best method, but the result looks like what I want. Nevertheless, I am having some problems : 1. the header appears on each page ; 2. the title of the chapter should not appear in the body of the text. Thanks for your help. Fabrice \definecolor[MyColorA][r=0.8784, g=0.8784, b=0.8784] \defineframedtext [FramedText] [ offset=0.6em, style=, toffset=\lineheight, background=color, backgroundcolor=MyColorA, foregroundstyle={\switchtobodyfont[11pt]}, align={left, broad}, frame=off, width=\textwidth, ] \setuplabeltext [en] [chapter=CHAPITRE] \setuphead [chapter] [bodypartlabel=] \startsetups [header] \labeltext{chapter} \getmarking[chapternumber] \stopsetups \setupheadertexts [] [{\FramedText{{\cap\labeltext{chapter}\space\getmarking[chapternumber]} \\ \bfc\getmarking[chapter]}}] [] [\FramedText{{\cap\labeltext{chapter}\space \getmarking[chapternumber]} \\ \bfc\getmarking[chapter]}] \setuppagenumbering [alternative=doublesided,location=] \starttext \startchapter [title=La récurrence] \startsection[title={Le principe de récurrence}] \dorecurse{10}{\input knuth} \stopsection \startsection[title={Le raisonement par récurrence}] \dorecurse{10}{\input knuth} \stopsection \startsection[title={Récurrences fortes}] \dorecurse{10}{\input knuth} \stopsection \startsection[title={Exercices corrigés}] \dorecurse{10}{\input knuth} \stopsection \stopchapter \startchapter [title=Combinatoire-Dénombrement] \dorecurse{10}{\input knuth} \stopchapter \stoptext[image: pied_3.png]

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