- ntg-context - NTG Mailing Lists

reading a single element from XML
by Pablo Rodriguez 16 Aug '20

16 Aug '20

Dear list, I have the following sample: \startbuffer[demo] <html> <body> <div class="irrelevant"> This is Only a paragraph. This is another paragraph. This is another paragraph. This is another paragraph. This is another paragraph. </div> </body> </html> \stopbuffer \startxmlsetups xml:initialize \xmlsetsetup{#1}{*}{-} \xmlsetsetup{#1} {html|body|div|p} {xml:flush} \xmlsetsetup{#1} {html/**/span[@class='special']} {xml:special} \stopxmlsetups \xmlregistersetup{xml:initialize} \startxmlsetups xml:flush \xmlflush{#1} \stopxmlsetups \startxmlsetups xml:special \bgroup\bfd\ssd\xmlflush{#1}\egroup \stopxmlsetups \starttext \xmlprocessbuffer{main}{demo}{} \stoptext How can I select only ? I mean, how can I have "Only" and nothing more in the output PDF document? I thought that lpath "html/**/span[@class='special']" would work, but I don’t know what I’m missing. Many thanks for your help, Pablo -- http://www.ousia.tk

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Missing graphic in MPpage when viewing in Apple MAC Preview or GIMP 2.10 but not Adobe
by Keith McKay 16 Aug '20

16 Aug '20

Dear List I have come across a problem which I don't think is due to ConTeXt but I'm hopping the great and the good of this list may be able to explain what is going on. The code below produces an MPpage with a shaded background and two graphics along with a line of outlined text. When I view in Adobe (or the output from TeXworks) I see everything as it should be. However, I wanted to convert the MPpage to a jpeg file and when I opened the pdf in either Apple MAC Preview or Gimp 2.10 the two graphics are missing, and I have no idea why. Could someone explain a way round this? Here is the code. Thanks Keith %%%%%%%%%%%%%%%%%%%%%%%%%% system > system > ConTeXt ver: 2020.07.29 18:36 LMTX fmt: 2020.7.29 int: english/english system > %%%%%%%%%%%%%%%%%%%%%%%%%%% \setuppapersize [A5, portrait] \usecolors[crayola] \starttext \startMPpage StartPage; width := PaperWidth ; height := PaperHeight ; unit := cm ; definecolor [ name = "MyColor1", r = 0.781, g = 0.5, b = 0.5 ] ; definecolor [ name = "MyColor3", r = 1, g = 1, b = 0.7983 ] ; draw lmt_shade [ path = unitsquare xscaled 14.8cm yscaled 21cm, direction = "up", alternative = "linear", colors = { "MyColor1", "MyColor3" }, ] ; z0 = (60,60); z1 = z0 rotated 120; z2 = z1 rotated 240; path carre; carre = z0--z1--z2--cycle; picture pic; pic := image( numeric d; d := 0.0005; for i=1 step -d until d: fill carre scaled i shifted (3.9cm,17cm) withcolor((1 + i)*(\MPcolor{VividTangerine})) ; fill carre rotated (45) scaled i shifted (3.9cm,17cm) withcolor((1 + i)*(\MPcolor{VividTangerine})) ; fill carre rotated (90) scaled i shifted (3.9cm,17cm) withcolor((1 + i)*(\MPcolor{VividTangerine})) ; fill carre rotated (135) scaled i shifted (3.9cm,17cm) withcolor((1 + i)*(\MPcolor{VividTangerine})) ; fill carre rotated (180) scaled i shifted (3.9cm,17cm) withcolor((1 + i)*(\MPcolor{VividTangerine})) ; fill carre rotated (225) scaled i shifted (3.9cm,17cm) withcolor((1 + i)*(\MPcolor{VividTangerine})) ; endfor;); draw pic rotatedaround(center pic, 270); draw pic rotatedaround(center pic, 90) shifted (7cm,-13cm) ; draw lmt_outline [ text = "Page 18" kind = "draw", drawcolor = "VividTangerine", ] xsized TextWidth shifted (1cm,7.67cm); StopPage; \stopMPpage \stoptext

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About documented code
by Jairo A. del Rio 16 Aug '20

16 Aug '20

Hi list! I have some questions about the template used by module documentation. When I apply context --extra=module t-mymodule.mkvi --autopdf I obtain a nice file, but, among other things, 1) the cover page seems to be a bit... greenish? So I want to know how to customize it, at least at a minimum, and 2) \showframe is enabled by default. How to disable it? Maybe 1) can answer 2) too. Thank you very much. Cordially, Jairo :)

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compilation error in LMTX
by Pablo Rodriguez 15 Aug '20

15 Aug '20

Dear list, compiling a huge XML document (output PDF > 1200 pages), I get the following error with latest current (2020.08.11 15:59): pages > flushing realpage 187, userpage 187, subpage 3 mtx-context | fatal error: return code: 139 Compilation failed. Some hints about what I cannot avoid considering a cryptic error message: 1. There is no previous warning when compiling previous pages. 1. The compulation error appears on the third run. 1. ConTeXt latest from 2020.08.07 23:37 compiles this just fine. Sorry, there is no minimal sample here. Any ideas about this? Or at least, any chances for the source that is breaking compilation? Many thanks for your help, Pablo -- http://www.ousia.tk

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\scantokens in luametatex
by Marcel Fabian Krüger 14 Aug '20

14 Aug '20

Hi, in the current luametatex upload, \scantokens (and also \scantextokens) behave odd: They seem to act like \detokenize, except that spaces get catcode other instead of catcode space: \starttext \edef\abc{\scantokens{\relax}} \abc \edef\abc{\scantextokens{\relax}} \abc \stoptext used to result in an empty output file but with luametatex, it writes \relax \relax to the output. \starttext \def\showsecond#1{\show} \edef\abc{\scantokens{a b}} \expandafter\showsecond\abc \edef\abc{\detokenize{a b}} \expandafter\showsecond\abc \stoptext prints > the character > blank space Best regard, Marcel Krüger

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fatal error with latest lmtx
by Alan Bowen 14 Aug '20

14 Aug '20

Hi— I have just installed (clean) the latest lmtx. Processing \starttext Hello world! \stoptext fails with this error message: Fatal Error > Your format does not match the base files! Format Version > 2020.08.14 18:28 LMTX Files Version > 2020.08.14 18:27 Alan

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Embedding fonts from a file
by Krešimir Cindrić 14 Aug '20

14 Aug '20

Hello, About a year ago, I asked on this list how to embed OpenType fonts from files (that is, use fonts that are not installed on the system), because one of my projects needed portability (be entirely contained in one directory that I could share). I was given a great answer by Hans and this minimal example ``` \starttext % \ctxlua{fonts.names.addruntimepath("./myfonts")} \ctxlua{os.setenv("RUNTIMEFONTS","./myfonts")} Hello World! \definefont[myfont][file:myfont.otf] {\myfont Hello World!} \stoptext ``` This worked beautifully (with some caveats, like having to clear the cache regularly), but for some reason, it stopped working. I don't know exactly when, because I haven't compiled that project in months, and in the meantime I reinstalled Linux. But now, all embedded fonts are not loading and I get "'fallback modern-designsize rm 12pt' is loaded" as an error message. Any assistance would be appreciated. Krešimir

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Re: [NTG-context] How can I use ConTeXt from TeXLive2020 ?
by Otared Kavian 14 Aug '20

14 Aug '20

Hi Adam, Thanks for your attention to my problem. > On 11 Aug 2020, at 03:44, Adam Reviczky <reviczky(a)gmail.com> wrote: > > Hi Otared, > > Not sure this will help at all, but I've seen similar errors when "texmfcnf.lua" wasn't found (alongside texmf.cnf). > > Although I am not using TeXLive2020, I have the following entries for texmfcnf: > -rw-r--r-- 1 root root 8272 Aug 9 13:19 /usr/share/texlive/texmf-dist/web2c/texmfcnf.lua > -rw-r--r-- 1 root root 38841 Aug 9 13:19 /usr/share/texlive/texmf-dist/web2c/texmf.cnf I don't have these files at this place, but in /opt/local/etc/texmf/ I do have /opt/local/etc/texmf/texmf.cnf /opt/local/etc/texmf/texmfcnf.lua the first one being created automatically when I tried to do mtxrun --generate after installing TeXLive2020. Ir says its content should not be modified directly and that its content is based on of the file /opt/local/etc/texmf/texmf.cnf.d The content of the above directory dates from 2019, and maybe that is why my logfile reports things being done with TeXLive2019. The content of the file /opt/local/etc/texmf/texmfcnf.lua is written by Hans in date = "2012-05-24" time = "12-12-12". Replacing /opt/local/etc/texmf/texmf.cnf with some other texmf.cnf does not help, since it is overwritten when one does mtxrun --generate So the problem remains… Maybe I have to contact people who prepare MacTeX2020 and ask for help with them. Thank you agin for your time and advices. Best regards: Otared > > and the symlinks to it from: > lrwxrwxrwx 1 root root 43 Aug 11 02:05 /usr/share/texmf/web2c/texmfcnf.lua -> ../../texlive/texmf-dist/web2c/texmfcnf.lua > lrwxrwxrwx 1 root root 40 Aug 11 02:21 /usr/share/texmf/web2c/texmf.cnf -> ../../texlive/texmf-dist/web2c/texmf.cnf > > Now, if I remove the symlink (/usr/share/texmf/web2c/texmfcnf.lua) I get the same error as you: > mtxrun | unknown script 'context.lua' or 'mtx-context.lua' > (With the symlink everything is fine of course.) > > https://github.com/TeX-Live/texlive-source/blob/b5db9f9833e389f96a329553b9d… > % First writable tree here is used by Lua(La)TeX for the font cache. > % LuaLaTeX uses the value here, while ConTeXt uses the same variable but > % from texmfcnf.lua; therefore the two values should be kept in sync. > % (As should everything else in texmf.cnf <-> texmfcnf.lua.) > > I see from your output that context did find the texmfcnf.lua: > resolvers | resolving | found regular configuration file '/opt/local/etc/texmf/texmfcnf.lua' > > So maybe it is something completely different, but it does look like it's something around those configs... > > Have a look and if not, then sorry for the noise. > > Regards, > Adam > > > On Mon, Aug 10, 2020 at 11:04 PM Otared Kavian <otared(a)gmail.com> wrote: > Hi Axel, > > > On 10 Aug 2020, at 16:11, Axel Kielhorn <tex(a)axelkielhorn.de> wrote: > > […] > > Well, one more suggestion: > > Use TeX Live Manager to update TeX-Live. > > I didn’t see any comments about context not working, but maybe the update fixes something. > > (You can filter for context related packages.) > > > > There has been one update to „context“ in June 2020. > > I did update TeXLive with TeX Live Manager. But still I cannot run ConTeXt from TeXLive2020 (neither from TeXShop nor from Terminal). > > > […] > > And another one: > > Please look into the home directory for a local .texlive2020 folder. > > There shouldn’t be any and it shouldn’t contain anything context related. > > I checked for the existence of directories of the type .texlive2020: there is no such directory in my home directory. > There were three leftover directories .texlive2008, .texlive2010 and .texlive2019, which I removed. > Doing > mtxrun --generate > creates a .texlive2019 directory which contains some other folders which are > texmf-var/luatex-cache/context/88aacfe88c3cbee9a12d5f4bec4da90b/trees/ > and in the latter folder there are 10 files with suffixes .lua and .luc. > Again > context test.tex > results in > mtxrun | unknown script 'context.lua' or 'mtx-context.lua' > > So the problem remains… > > Best regards: Otared > ___________________________________________________________________________________ > 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://context.aanhet.net > archive : https://bitbucket.org/phg/context-mirror/commits/ > wiki : http://contextgarden.net > ___________________________________________________________________________________ %% This file should not be edited directly! %% %% It was automatically generated by /opt/local/libexec/texlive-update-cnf %% from the contents of /opt/local/etc/texmf/texmf.cnf.d %% on Sat Jun 13 10:08:36 CEST 2020.

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headers again
by jbf 14 Aug '20

14 Aug '20

Understandably, with work going on for the new \command pages, heatwaves, upcoming ConTeXt meeting, people are very busy. I understand that. In the meantime, I haven't yet found a solution (though I have tried many) to my own problem, small though it is by comparison. So let me try again, putting it simply: Where running heads (headers) are concerned, if I use \chapter I have no problems, nor should I expect any. But because I am also using \title, given that I need some unnumbered chapters interspersed among them, I run into difficulties with headers. Numbered chapters have the correct headers, unnumbered ones (with \title) either don't have them, or do not have the proper chapter header (they pick up the header from the previous numbered chapter). At the moment the only thing I have in the preamble is the expected set of commands for the numbered chapters: [{\hfill\getmarking[chapter]\hfill}][] [{\hfill\documentvariable{metadata:title}\hfill}][] I thought that might work for the unnumbered ones (\title), thinking that maybe \title inherits from \chapter, but it doesn't. But no amount of variations on the above commands (repeating them but replacing 'chapter' with 'title'; adding [title] or just title, in the first set of commands in various positions...) gives me the correct result. I am assuming, of course, that there is a solution to this difficulty, and that it may be simple. But I haven't found it. Is the problem that I am using \title in the main body to get my unnumbered chapters? I wouldn't think so? It produces the correct result, utlimatley, in the TOC, Is it possible that I may have something else in my preamble that is causing the problem? If so, I can't expect someone to 'guess' that from outside! But at the moment I don't think that is the problem. If not a direct solution, are there any clues someone might give me that will lead me to finding my own solution? It would be much appreciated. Julian

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Two questions about color in MetaFun
by Jairo A. del Rio 14 Aug '20

14 Aug '20

Hi, list! I have two questions concerning MetaFun: 1st: What is the correct way to pass a ConTeXt named color (e.g. xwi's "maroon") to MetaFun. Using (with \usecolors[xwi] loaded in the preamble): withcolor maroon does not work. I could copy-paste definitions from ConTeXt sources and do e.g. \definecolor [maroon][r=.690196,g=.188235,b=.376471] but it is unfeasible for complete color schemes. So, is there a better way to do it? 2nd: I was trying to do some stuff for my girlfriend using ConTeXt and I tried to randomize colors in MetaFun using normaldeviate. However, something interesting happens. The following: \setuplayout[width=middle] \setuppagenumbering[state=stop] \setuppapersize[A10,landscape][A10,landscape] \starttext \startuseMPgraphic{cornystuff} draw outlinetext.f ("\framedtext[frame=off,width=fit,align=middle]{I love you \\ \CONTEXT}") %\CONTEXT is not my girlfriend, it's just for the example (withcolor (normaldeviate,normaldeviate,normaldeviate) withpen pencircle scaled 1/5) scaled 1 ; \stopuseMPgraphic \dorecurse{20}{% \startplacefigure[location=force,number=no] \useMPgraphic{cornystuff} \stopplacefigure \page[yes] } \stoptext changes the color of every letter. I don't complain (in fact it does look better), but I still have a question: what should I do if I wanted to select a random color first and then use it for the entire content? Thanks in advance. Jairo :)

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