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A question about an algorithm environment
by Fabrice Couvreur 29 Oct '19

29 Oct '19

Hi Wolfgang, Why in the first example, the indentation of my Python code that I wish is not respected and that I have to do as the second example to have what I want ? Thank you. Fabrice \defineframedtext [algorithmframe] [width=fit, location=middle, foregroundstyle={\tt\switchtobodyfont[11pt]}, framecolor=darkblue, corner=round] \definelines [algorithm] [space=on, before=\startalgorithmframe, after=\stopalgorithmframe] \starttext \startlinecorrection[blank] \startmidaligned \startalgorithm {\blue def nom} (argument1, argument2,\unknown): \unknown {\orange return} résultat \stopalgorithm \stopmidaligned \stoplinecorrection \startlinecorrection[blank] \startmidaligned \startalgorithm {\blue def nom} (argument1, argument2,\unknown): \unknown {\orange return} résultat \stopalgorithm \stopmidaligned \stoplinecorrection \stoptext

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Luatex 1.08.0 announcement
by luigi scarso 28 Oct '19

28 Oct '19

============================================================== LuaTeX 1.08 2018-08-28 ============================================================== (1) This release is a prelude to 1.10, the next stable iteration of LuaTeX after version 1.00. (2) Lua 5.3 is now considered to be default and we might use 5.4 in version 1.10. There are no real functional changed expected. You still need to rename the binary for 5.3! (3) Binary mode is no longer available in MPlib but it is still available in stand alone MetaPost. This simplifies compilation and reduces dependencies. (4) The dependency on Poppler for pdf image inclusion has been removed. We now use a small dedicated library written by Pawel Jakowski. We no longer need c++ compilers. We're in the process of making it behave well on all platforms. It has been tested on intel platforms. (5) We know that there can be some (alignment) issues with the arm platform but these are looked into. Therefore, later this year we will release 1.09. Version 1.10 is planned for TeXlive. We hope that ffi works ok on intel and arm platforms at that point. (6) There have been some extensions to the Lua libraries and some callbacks have been added. Also, a few new primitives have been introduced. The documentation mentions the stable extensions. (7) There are the usual bug fixes and cleanups but there have been no real fundamental changes in the API. The LuaTeX team

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questions about publ-imp-apa.mkvi
by Damien Thiriet 28 Oct '19

28 Oct '19

Hello, Why do we have in publ-imp-apa.mkvi, line 1182 sq \btxdoif {number} { %\btxleftparenthesis (\btxflush{number} \btxrightparenthesis } and not \btxdoif {number} { \btxleftparenthesis \btxflush{number} \btxrightparenthesis } ? Damien Thiriet

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typo in publications-customized.tex
by Damien Thiriet 28 Oct '19

28 Oct '19

Hello, I found a typo in publications-customize.tex. Here is a diff -u that may help to fix it quickly (not used to sending diff, I hope it'll help) --- publications-customize-patched.tex Mon Oct 28 07:26:37 2019 +++ publications-customize.tex Mon Oct 21 13:56:04 2019 @@ -362,7 +362,7 @@ diagnostics as described in the Appendices. Their functional meaning is rather \quote {handled} in contrast to \index {field+ignored}\quote {ignored}. \stopfootnote Note that if a category is \emphasis {not} declared in this \LUA\ -table, then \emphasis {all} of its fields will be considered \index +table, than \emphasis {all} of its fields will be considered \index {field+optional}\quote {optional}. Thus, ignoring this level of control and simply defining additional setups might be sufficient for most use. Regards, Damien Thiriet

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cm unicode font: missing tounicode of oldstyle nums
by Ulrike Fischer 27 Oct '19

27 Oct '19

cmunrm.otf uses "unstandard" names for the glyphs of the old style numbers, e.g. oneoldstyle. This means that the glyphs don't get a tounicode mapping: \starttext \pdfvariable compresslevel=0 \font\test={file:cmunrm.otf:mode=node;script=latn;language=DFLT;+onum;}\test abc123 \stoptext gives 6 beginbfchar <0042> <0061> <0043> <0062> <0044> <0063> <0874> <FFFD> <0875> <FFFD> <0876> <FFFD> endbfchar The names are in glyphtounicode.tex, which contains e.g. \pdfglyphtounicode{oneoldstyle}{0031} So it doesn't looks as if they were completly unusual. Would it be possible to add tounicode mappings for these name? And how can one declare mappings for really unusual names? -- Ulrike Fischer https://www.troubleshooting-tex.de/

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interlaced overbrace and underbrace
by mf 25 Oct '19

25 Oct '19

Hello list, is there a better way to interlace overbraces and underbraces like this? \starttext These are the expressions to combine: $$\overbrace{a+b+c}+d \quad a+\underbrace{b+c+d}$$ This is the desired result: $$\overbrace{a+b+c}+d \kern-16mm\underbrace{\hbox to 15mm{ }}$$ \blank {\tfx(the underbrace should move down a little more)} \stoptext TIA, Massi

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place single entry of a register, or filtering the terms of a register
by mf 25 Oct '19

25 Oct '19

Hello list, is there a way to place only one single entry of a register, or a selection of entries? I looked into strc-reg.mkiv and strc-reg.lua and i would answer "no, it's not possible". I could hack strc-reg.lua and define a command to do that, but maybe a better solution is already there. Here's a very simple MWE to work on, in case it's possible: \starttext Cat\index{cat}, mouse\index{mouse}. \page Cat\index{cat}, dog\index{dog}. \page \placeindex \page Here I'd like to place only the "cat" entry:\par \placeindex[criterium=???] \stoptext Massi

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Luacode: Data File to Table
by Rudolf Bahr 24 Oct '19

24 Oct '19

Hi All! LuaMetaTeX, Version 2.00.0 ConTeXt ver: 2019.10.10 18:15 MKIV beta fmt: 2019.10.19 int: english/english I'd like to transfer the entries in a data file to a Lua table according to [1]. Here a MWE of my data file, appended as file Rosi.lua: -------------------------- Rosi{ smrk = "00-003", picture_file = "/home/sam/pictures/", picture_name = "00-003---1981---Provence.png", width_px = "394", height_px = "481", } Rosi{ smrk = "00-006", picture_file = "/home/sam/pictures/", picture_name = "00-006---1986---Eire.png", width_px = "392", height_px = "479", } And here is my MWE in Luacode: ------------------------------ \startluacode userdata = userdata or {} u = userdata function u.Hugo ( ) local S = {} function Rosi (b) S [ b.smrk ] = { [ "smrk" ] = b.smrk, [ "picture_file" ] = b.picture_file, [ "picture_name" ] = b.picture_name, [ "width_px" ] = b.width_px, [ "height_px" ] = b.height_px, } context ( 'function Rosi(): b.smrk = ', b.smrk ) context.par() end require ("Rosi") end \stopluacode \starttext \currenttime \def\Heidi% {\ctxlua{u.Hugo()}} \Heidi \stoptext The entries in Rosi.lua aren't recognized in Luacode! The output pdf is appended as well. Now the essential part of the MWE above in pure Lua. Here it works! Strange. ----------- userdata = userdata or {} u = userdata function u.Hugo ( ) S = {} function Rosi (b) S [ b.smrk ] = { [ "smrk" ] = b.smrk, [ "picture_file" ] = b.picture_file, [ "picture_name" ] = b.picture_name, [ "width_px" ] = b.width_px, [ "height_px" ] = b.height_px, } print ( "b.smrk = " .. b.smrk ) end require ("Rosi") print ( S["00-003"]["width_px"], S["00-003"]["height_px"] ) print ( S["00-006"]["width_px"], S["00-006"]["height_px"] ) end u.Hugo () Please, what could be done? Best wishes, Rudolf [1] Roberto Ierusalimschy: Programming in Lua, Fourth edition, chapter 15.1 Data Files

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ConTeXt groups supports "Public Money, Public Code"
by Henning Hraban Ramm 23 Oct '19

23 Oct '19

Hi all, the previous board of your ConTeXt group decided to support the campaign of Free Software Foundation Europe, “Public Software? Public Code!” (see https://publiccode.eu/) and we finally got confirmed. If you belong to any other TUG, Open Source community or institution/company that’s using free software, please consider also signing up! In that case please write to contact(a)fsfe.org That’s what they need from you (no money involved): > We are very happy that you want to sign the "Public Money? Public Code!" > open letter. > > What I would need from to add you to publiccode.eu: > * The logo we should use on the publiccode.eu website (PNG files with > maximum 150px width or 100px height – ideally using transparency > instead of white as background > * The exact name of your organisation we should display on the website > * An e-mail address where we can send updates about the campaign > relevant to the signing organisations > * The website of your organisation, we can link to on from our website > * Whether you identify as "international", "national" or "regional" > organisation > > Beside that we would highly appreciate it, if you ask people in your > networks (e.g. newsletter, through your website, and social media) to > sign the open letter as individuals https://publiccode.eu/#action > > In case you can help us translating the website into other languages, > please get in contact with translators(a)lists.fsfe.org to coordinate that > effort. Best regards, Hraban --- https://www.fiee.net http://wiki.contextgarden.net https://www.dreiviertelhaus.de GPG Key ID 1C9B22FD

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Surprising change in function inspect()
by Tomas Hala 23 Oct '19

23 Oct '19

Hi all, using the source code ====== \starttext \startluacode d={} d.data={"a",0} d.tabulka=function () context("pokus") end inspect(d) d.tabulka() \stopluacode pokus \stoptext ====== I discovered quite surprising change in the output of inspect: TL2019: table={ ["data"]={ "a", 0 }, } TL2018 and older: table={ ["data"]={ "a", 0 }, ["tabulka"]=load("\27LuaR\0\1\4\4\4\8\0\25�\13\ \26\ \4\0\0\0\4\0\0\0\0\0\2\4\0\0\0\6\0@\0A@\0\0\29@\0\1\31\0�\0\2\0\0\0\4\8\0\0\0context\0\4\6\0\0\0pokus\0\0\0\0\0\1\0\0\0\0\0\14\0\0\0=[\\directlua]\0\4\0\0\0\4\0\0\0\4\0\0\0\4\0\0\0\4\0\0\0\0\0\0\0\1\0\0\0\5\0\0\0_ENV\0"), } Is there any way how to persuade the current inspect to add functions to the output as before? Best wishes Tomáš

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