- ntg-context - Mailing Lists

undefined command in current latest
by Pablo Rodriguez 10 Oct '21

10 Oct '21

Dear list, I have the following sample: \setupheadertexts[{\getmarking[chapter]}] \starttext \chapter{Chapter} \stoptext It compiles perfectly fine with MkIV from 2021.10.08 20:18, but its LMTX version triggers the following error message: Undefined control sequence \??markingfilter Previous LMTX version compiled just fine. I think it might be a bug. Many thanks for your help, Pablo -- http://www.ousia.tk

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Making metafun pictures fainter
by Gavin 10 Oct '21

10 Oct '21

Hi list, I’m trying to produce figures like this, showing motion as a series of snap-shots, with the earlier moments more faint. Here are three examples of metafun code using transparency and “decorated". \startMPinclusions picture ball; ball := image( draw fullcircle scaled 1cm withshademethod "circular" withshadecenter (.25,.25) withcolor "lightgray" shadedinto black; draw fullcircle scaled 1cm withpen pencircle scaled 0.8pt;); \stopMPinclusions \starttext \startMPpage draw decorated (draw ball) withtransparency (1,.2); draw decorated (draw ball shifted (1cm, 0cm)) withtransparency (1,.4); draw decorated (draw ball shifted (4cm, 0cm)) withtransparency (1,.6); draw ball shifted (9cm, 0cm); \stopMPpage \startMPpage draw decorated (draw ball) withtransparency (1,.2); draw decorated (draw ball shifted (0.25cm, 0cm)) withtransparency (1,.4); draw decorated (draw ball shifted (1cm, 0cm)) withtransparency (1,.6); draw ball shifted (2.25cm, 0cm); \stopMPpage \startMPpage draw decorated (draw ball) withtransparency (1,.2); filldraw fullcircle scaled 1cm withcolor white withpen pencircle scaled 0.8pt shifted (0.25cm, 0cm); draw decorated (draw ball shifted (0.25cm, 0cm)) withtransparency (1,.4); filldraw fullcircle scaled 1cm withcolor white withpen pencircle scaled 0.8pt shifted (1cm, 0cm); draw decorated (draw ball shifted (1cm, 0cm)) withtransparency (1,.6); draw ball shifted (2.25cm, 0cm); \stopMPpage \stoptext Transparency alone does a good job if the objects don’t overlap (first example). If they do overlap, it’s kind of a mess (second example). I get a much better result if I put a white circle behind each transparent ball so that they look lighter without showing the earlier objects through them (third example). However, that solution is going to be difficult for more complex shapes. I tried drawing the shape using “redecorated () withcolor white", to draw the white background object, but only the outline appears white. The circular shading disappears altogether, leaving the ball fill area transparent. I also tried to use something like “softened .8” but could not get that to produce any output. Any ideas? Thanks! Gavin

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Default values for key-value macros
by noib3 10 Oct '21

10 Oct '21

The way I've been defining key-value macros is to first pass them to Lua, handle the parsing there thanks to `utilities.parsers.settings_to_hash` and then assign the resulting Lua table to ConTeXt variables. This worked fine up to now, but I'm having problems with the following MWE: ``` \def\style#1[#2] { \ctxlua{userdata.style([==[#2]==])} \placestyle } \startluacode userdata = userdata or {} userdata.style = function(keyvals) local style = { color = nil, text = nil, } args = utilities.parsers.settings_to_hash(keyvals) for k, v in pairs(args) do style[k] = v end context.setvariables({'style'}, style) end \stopluacode \define\placestyle{ \doiftext {\getvariable{style}{text}} {\color[\getvariable{style}{color}]{\getvariable{style}{text}}} } \starttext \style[ text={Some red text}, color=red, ] \style[ color=blue, ] \stoptext ``` Here I assign a default value of `nil` to every key, and then check if the `text` variable is empty before printing it. I would expect the second macro not to print anything since its `text` should be nil, instead both macros print 'Some red text', the first one in red and the second one in blue. I have attached a screenshot of the output. What am I doing wrong?

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SciTE configuration Mac
by MANUEL GONZALEZ SUAREZ 10 Oct '21

10 Oct '21

Hi everyone: Could someone send me a minimal configuration for the SciTE editor of the files needed to work with ConTeXt? I work with MaC OS Big Sur. Thanks. M. González.

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Undefined control sequence \??markingfilter, with MWE to recreate
by Rik Kabel 10 Oct '21

10 Oct '21

Error with 20211008 ConTeXt: ConTeXt ver: 2021.10.08 20:18 LMTX fmt: 2021.10.9 int: english/english ... tex error > tex error on line 1 in file ./mmm.tex: Undefined control sequence \??markingfilter <argument> \csname \??markingfilter \v!default \endcsname {chapter} <macro> \sectionheadmarkingtitle #1#2->\clf_markingtitle {#1}{#2 } <macro> \strc_markings_get_yes ...rking \begincsname \??markingclass #1\endcsname {#2}{#3}}\fi \orelse \ifparameter #2\or \markingcommand {#1}{\csname \??markingfilter #2\endcsname {#1}}\else \markingcommand {#1}{\csname \??markingfilter \v!default \endcsname {#1}} \fi \endgroup ... <to be read again> \fi <macro> \page_layouts_process_element_indeed ...andcolor #1#2\begincsname \??layouttextstrut \layoutelementparameter \c!strut \endcsname \ignorecrlf \edef \p_width {\layoutelementparameter #3}\ifempty \p_width \else \expandafter \page_layouts_process_element_limited \fi \p_text \endgroup <macro> \currentlayoutelement ...kern -\makeupwidth \fi \letfromlayoutelementparameter \p_text \c!righttext \ifempty \p_text \kern \makeupwidth \else \hbox to \makeupwidth \bgroup \hss \page_layouts_process_element_indeed \c!rightstyle \c!rightcolor \c!rightwidth \egroup \fi ... <line 3.12> \stoptext 1 >> 2 %\setupheadertexts [][][{\it\getmarking[chapter]}][] % fails 3 \setupheadertexts [][][{\getmarking[chapter]}][] % fails 4 %\setupheadertexts [][][\getmarking[chapter]][] % succeeds MWE to create. Note that the \it is not necessary to trigger the error, just the braces. %\setupheadertexts [][][{\it\getmarking[chapter]}][] % fails \setupheadertexts [][][{\getmarking[chapter]}][] % fails %\setupheadertexts [][][\getmarking[chapter]][] % succeeds \starttext \chapter{abc} abc \chapter{def} def \stoptext -- Rik

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Does the ConTeXt distro come with a PDFViewer?
by Ramkumar KB 10 Oct '21

10 Oct '21

Hello Community, If my memory serves me correctly, I might have noticed (in one of the presentations during the recent ConTeXt meeting) that the distro comes with a PDFViewer. Is that a correct assumption? I am currently using a VSCode extension for PDFViewing but it does not work very reliably. Thank you very much, best regards, Ramkumar

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Re: [NTG-context] Adaptation of ConTeXt to Esperanto
by Wolfgang Schuster 09 Oct '21

09 Oct '21

Alain Delmotte schrieb am 09.10.2021 um 11:23: > Hi! > > Le 9/10/2021 à 10:58, Wolfgang Schuster a écrit : >> Alain Delmotte via ntg-context schrieb am 08.10.2021 um 22:07: >>> Hi, >>> >>> Some time ago I did prepare the files to support Esperanto in >>> Context (hyphenation and translation of terms). >>> >>> I thought it was working, testing with the command \date, which >>> gives the correct format. >>> >>> But today I remarked that the legends for Figure and Table (and >>> perhaps other) are in English. >>> >>> The file lang-txt.lua is there and contains the translations for >>> Esperanto. >> >> The language definitions for esperanto in lang-def.mkxl are in the >> wrong order, the first definition has to be "eo". >> >> >> \installlanguage >> - [\s!esperanto] >> + [\s!eo] >> [\c!spacing=\v!packed, >> \c!leftsentence=\endash, >> \c!rightsentence=\endash, >> \c!leftsubsentence=\endash, >> \c!rightsubsentence=\endash, >> \c!leftquote=\upperleftsinglesixquote, %U+2018, >> \c!rightquote=\upperrightsingleninequote, %U+2019, >> \c!leftquotation=\upperleftdoublesixquote, %U+201C, >> \c!rightquotation=\upperrightdoubleninequote, %U+201D, >> \c!date={\v!day,-a\space de\space,\v!month,\space \v!year}, >> \s!patterns=eo, >> \s!lefthyphenmin=2, >> \s!righthyphenmin=2] >> >> -\installlanguage[\s!eo][\c!default=\s!esperanto] >> +\installlanguage[\s!esperanto][\c!default=\s!eo] >> >> >> Wolfgang > > Thanks Wolfgang, I did find the file and the wrong order. > > Now, what should I do? I modified it outside context-lmtx in a copy. > > Replace the original and??? You have to make the changes in the original file and afterwards generate the format file with context --make If everything works as expected report back and Hans can apply the fix on his machine to ensure they are included in the next release because when you make a update your changes are overwritten. Wolfgang

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Adaptation of ConTeXt to Esperanto
by Alain Delmotte 09 Oct '21

09 Oct '21

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Re: [NTG-context] hatching an area without drawing its borders (Hans Hagen)
by Damien Thiriet 08 Oct '21

08 Oct '21

Hi, Many thanks for this quick addition to the codebase. Best regards, Damien Thiriet

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Something smells rotten in the state of luametatex...
by Thomas A. Schmitz 08 Oct '21

08 Oct '21

Hi all, I have a document here for one of my classes: xml processed via context, some layers, some two column paragraphs, a bibliography, nothing out of the ordinary. With mkiv, it compiles cleanly: mkiv lua stats > used engine: luatex version: 1.13, functionality level: 7420, banner: this is luatex, version 1.13.0 (tex live 2021) mkiv lua stats > used hash slots: 48846 of 65536 + 250000 mkiv lua stats > lua properties: engine: lua 5.3, used memory: 212 MB, ctx: 210 MB, max: unknown MB, hash chars: min(64,40), symbol mask: utf (τεχ) mkiv lua stats > runtime: 2.775 seconds, 119 processed pages, 119 shipped pages, 42.883 pages/second system | total runtime: 5.996 seconds When I compile the same document with luametatex, things slow down to a crawl: mkiv lua stats > used engine: luametatex version: 2.0921, functionality level: 20210903, format id: 594, compiler: gcc mkiv lua stats > tex properties: 740039 hash slots used of 2097152, 48372 control sequences, approximate memory usage: 36 MB mkiv lua stats > lua properties: engine: lua 5.4, used memory: 100 MB, ctx: 93 MB, max: 138 MB, symbol mask: utf (τεχ) mkiv lua stats > runtime: 27.509 seconds, 119 processed pages, 119 shipped pages, 4.326 pages/second system | total runtime: 139.458 seconds of 139.493 seconds So, it takes more than 20 times as long... The CPU of my computer goes up to 100 %, and the entire machine sometimes becomes unresponsive during the run. Obviously, I can't provide a MWE, but this seems bizarre. One thing I see on my terminal: there are hundreds of lines like this Overfull \hbox (0.8pt too wide) in paragraph at lines 18--18 6:17: [glue][glue]<l2r par><l2r [glue][boundary][hlist][penalty][glue][hlist][penalty] >[glue][glue] It's almost like some debug setting has been triggered. But that may be a red herring. Anyway, I just wanted to report this; maybe some bigger problem (with the binary or the format?) is lurking somewhere. All best Thomas

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