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\setbreakpoints[compound] and numbers
by Peter Münster 19 May '20

19 May '20

Hi, How could I get breaking lines with numbers please? Example: \setbreakpoints[compound] \setuplayout[width=1mm] \starttext xxx/xxx % line break is ok here xx1/xxx % I would like a linebreak here too \stoptext TIA for any help, -- Peter

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Can someone explain the \startuseMPgraphic interface to me?
by Gerben Wierda 19 May '20

19 May '20

In details.pdf, I encounter \startuseMPgraphic{mpos:par:columnset:shade} numeric h ; for i=1 upto nofmultipars : h := bbheight(p) ; if multikind[i] = "single" : fill multipars[i] topenlarged -.5h When I encounter that, I wonder: - where do nofmultipars, p, multikind, and multpars come from? - what does mpos:par:columnset:shade signify? Just a name? Do the ’:’ have meaning? G.

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Minimal code for exporting custom tags
by Aditya Mahajan 19 May '20

19 May '20

Hi, What is needed to enable export of user defined macros? Consider the following example: ``` \def\startmycommand{\dostarttagged{mycommand}\empty} \def\stopmycommand {\dostoptagged} \setupbackend[export=xml, level=0] \starttext \startsection[title={Sample document}] \startparagraph This is a paragraph \stopparagraph \startmycommand This is mycommand \stopmycommand \stopsection \stoptext ``` If I compile using `context --trackers=structures.tags filename`, I get ``` backend > tags > U+0031:1 => U+0031:1 : 00004 document>1 section>1 sectioncaption>1 sectionnumber>1 backend > tags > U+0053:S => U+0074:t : 00005 document>1 section>1 sectioncaption>1 sectiontitle>1 backend > tags > U+0054:T => U+0068:h : 00007 document>1 section>1 sectioncontent>1 paragraph>1 backend > tags > U+0054:T => U+0064:d : 00008 document>1 section>1 sectioncontent>1 mycommand>1 ``` so the tag is applied. I can also verify this by looking at the PDF which contains ``` << /K 27 0 R /ParentTree 2 0 R /RoleMap << /document /Div /mycommand /Span /paragraph /P /section /Sect /sectioncaption /Div /sectioncontent /Div /sectionnumber /H /sectiontitle /H >> /Type /StructTreeRoot >> ``` and the tag `mycommand` is used at appropriate location. However, the exported xml file contains no tag: ``` <?xml version="1.0" encoding="UTF-8" standalone="yes" ?>   <document context="2020.04.30 11:10" date="2020-05-18T03:00:33-04:00" file="test-tag" language="en" version="0.35" xmlns:m="http://www.w3.org/1998/Math/MathML"> <metadata> </metadata> <section detail="section" chain="section" implicit="1" level="3"> <sectioncaption> <sectionnumber>1</sectionnumber> <sectiontitle>Sample document</sectiontitle> </sectioncaption> <sectioncontent> <paragraph>This is a paragraph</paragraph> </sectioncontent> </section> </document> ``` What am I missing in order to pass user-defined macros to the exporter? Thanks, Aditya

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Problem updating to new version for Win64
by Todd DeVries 18 May '20

18 May '20

Hello, I tried updating my version of LMTX. A file which compiled under the old version (from earlier this year) now errors out. I moved my directory, downloaded a fresh copy of the install scripts and made a fresh installation. What am I missing? Errors below are from my terminal. l.2674 \def\secondofsixarguments#0#2#0#0 #0#0{#2} ! Parameters must be numbered consecutively. <to be read again> (That makes 100 errors; please try again.)resolvers | formats | resolvers | formats | binary path : C:/lmtx/tex/texmf-win64/bin resolvers | formats | format path : C:/lmtx/tex/texmf-cache/luatex-cache/context/5fe67e0bfe781ce0dde776fb1f32e/formats/luametatex resolvers | formats | luatex engine : luametatex resolvers | formats | lua startup file : C:/lmtx/tex/texmf-context/tex/context/base/mkiv/luat-cod.lua resolvers | formats | context file : C:/lmtx/tex/texmf-context/tex/context/base/mkiv/cont-en.mkxl resolvers | formats | run time : 4.533 seconds resolvers | formats | return value : error resolvers | formats | mtx-context | error, no format found with name: cont-en, aborting system | total runtime: 5.171 seconds of 5.216 seconds -- Todd DeVries *Phone: (208) 847-5996* Secure chat: https://keybase.io/tdevries/chat “Not less than knowing, doubting pleases me.” —DANTE, The Inferno

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Styling of included buffers or files
by Jan U. Hasecke 18 May '20

18 May '20

Hi all, I am currently writing a text where I want to include text snippets either by including files or including buffers. What is the best way to style all these included buffers? I know that I can do something like this: \startcolumns \getbuffer[Muenchen] \stopcolumns Or do something with \defineparagraph Is it somehow possible to apply styles to all buffers that gets included via \getbuffer by defining a special getbuffer-style? TIA juh

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Looking for a way to use lua to output console/debug messages from MetaPost instead of 'show'
by Gerben Wierda 18 May '20

18 May '20

I often need some debugging info to find out what is going on in my METAPOST code (as I often do not have exact knowledge of what some things do). MetaPost’s ‘show’ command has limited formatting functionality (e.g. I would like to add a number as a string to a show message instead of putting it out as number and let ‘show' make a lot of lines out of it). I would like to instead use a lua function and I think I recall having seen somewhere the use of a call like lua( ….) or lua.foo.bar() in a MetaPost/MetaFun/LMTX example but I cannot find it anymore. Is it possible to do a lua() call from within MetaPost within LMTX and if so, what is the way to do it? This below is the state of my misguided attempts: \startluacode function warnWithLabelIfVerbose( str, ... ) texio.write_nl( str .. string.format(...)) end \stopluacode \startMPdefinitions{doublefun} %def somefunction ( expr str, number) = % lua.warnWithLabel( "LABEL: ", "%s %d", str, number); %enddef; \stopMPdefinitions \startMPpage[instance=doublefun] lua.texio.write_nl( "HELLO!"); % This works %lua.texio.write( "HELLO!\%n"); % This doesn't %string outs; outs := lua.string.format( "HELLO! \%s \%0.3f", "aap", 12.6); %somefunction( "aap", 12.6); \stopMPpage Thx, G

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Custom color schemes in t-vim
by Nicola 17 May '20

17 May '20

Quick question: Is \startcolorscheme... \stopcolorscheme (still) supported by t-vim? In a template I wrote long time ago to typeset code, I have: \usemodule[vim] \unprotect \startcolorscheme[oceansunset] \definesyntaxgroup[Comment][\c!color={colortwo},\c!style=italic] % etc. \stopcolorscheme \protect which I use as described in the wiki: \definevimtyping [...] [... alternative=oceansunset, ...] But that does not seem to have any effect (if I change the colors, the syntax highlighting does not change). I can use pscolor and blackandwhite, though. I see that \startcolorscheme is not documented, so maybe there is another mechanism? Nicola

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What does the exporter try to tell me.
by Christoph Hintermüller 17 May '20

17 May '20

Hi I'm trying to improove the T-vim module such that it is also working properly in xml export setup. In the current ConTeXt standalone the exporter tries to tell me something when reporting "possible paragraph mixup" at any character followoing the first paragraph. And no output from the code block between start<>stop. I got that far that it has to do something with the redefinitoin of end of line chars or alike in the code behind and between the package specific start<> and stop<> commands. But i do not catch what the exporter trying to yell at me. So what additoinal trackers exempt the ones registered by the exporter do i have to activate to see what the exporter has to process on? What documentation should i read before continueing? What hast to be done inside the start stop, `\obeyline` etc macros to ensure the exporter is provided with a proper document sturcuture/tree which can be properly and flawlessly processed. All tex commands which should be reflected in the xml output by tags include inside their code `\starttagged` and `\stoptagged` commands but my impression is that something important the exporter needs to have any chance to gnereate porper clean output is missing and I'm missign any clue what and where to startoff. Best Xristoph (Hernot)

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What is required to make \setuplayout work?
by Gerben Wierda 17 May '20

17 May '20

I’ve been trying to define a layout that just has a 5mm no-printing edge around the paper and has all the rest for \textwidth and \textheight. No header, footer, pagenumber, etc. Just as much space as I can get out of a standard A4. But the following (following the manual and ConTeXtgarden): \setuplayout[leftedge=5mm,top=5mm,rightedge=5mm,bottom=5mm, leftmargin=0mm,rightmargin=0mm, margindistance=0mm,edgedistance=0mm, topdistance=0mm,headerdistance=0mm,footerdistance=0mm,bottomdistance=0mm] \showlayoutcomponents % doesn’t seem to do anything \showframe % this works \starttext \input knuth \stoptext Doesn’t seem to change the layout. What am I missing? G

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Custom list layout with PDF bookmarks
by Bruce Horrocks 17 May '20

17 May '20

When I customise the table of contents layout I lose the automatic hyperlinks. Is there a simple configuration option that I have missed or do I need to create my own links somehow? Example: \setupinteraction[state=start] \setupinteractionscreen[option=bookmark] \define[3]\SectionListEntry {\par \leftaligned\bgroup \hbox to 2em{#3}% \hskip 1em \vtop{\hsize\dimexpr\textwidth-3em\relax#2} \egroup \par} % Comment out this next line to regain section hyperlinks in the ToC \setuplist[section][alternative=command,command=\SectionListEntry] \starttext Table of Contents \placecontent[criterium=all] \placebookmarks[chapter,subject] \chapter{Tufte} \section{Section 1} \input tufte \page \section{Section 2} \input tufte \page \section{Section 3} \input tufte \page \stoptext Thanks in advance. -- Bruce Horrocks Hampshire, UK

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