November 2021 - ntg-context - NTG Mailing Lists

Re: [NTG-context] directsetup vs setups
by Wolfgang Schuster 15 Nov '21

15 Nov '21

Rik Kabel schrieb am 15.11.2021 um 22:51: > > Wolfgang, > > Can you expand on the following statements from your reply? > > You can run Hans example with MkIV and the differences should be > even bigger because the check for [] is slower here while in LMTX > it's a engine feature. The main difference in LMTX is a extra > expansion for \setup compared to \directsetup. > > there is no difference between \setup and \directsetup > > Are you saying: > > 1. When [] are used with \setup, expansion of the contents is done > differently than when {} are used. It doesn't matter which form you use for \setup. What I'm trying to say is that \setup is slower (or better was slower in MkIV) than \directsetup because \setup has to check first if the name is passed within brackets or as normal argument in braces. The code in MkIV would look similar to this: \def\setup {\doifnextcharelse[ \setup_brackets \setup_braces} \def\setup_brackets[#1]% {\directsetup{#1}} \def\setup_braces#1% {\directsetup{#1}} > 2. There is no significant processing time difference between \setup > and \directsetup. > When I run the following example on my machine \starttext \startsetups [dummy] \stopsetups \testfeatureonce{100000}{\setup {test}} \elapsedtime \par \testfeatureonce{100000}{\directsetup{test}} \elapsedtime \par \stoptext I get these times. # MkIV \setup : 0.136s \directsetup : 0.079s # LMTX \setup : 0.083 seconds \directsetup : 0.071 seconds Add additional stuff in the setup environment and the difference between \setup and \directsetup doesn't matter anymore. > 3. There is additional expansion performed for \setup compared to > \directsetup. > Although this isn't completely true (but very close) the definition for \setup in LMTX is like this: \def\setup#1{\directsetup{#1}} > 4. Under LMTX, because {} and [] handling overhead is so similar, the > most visible processing time difference to users is from the > difference in expansion between \setup and \directsetup. > > I think you are saying that 2, 3, and 4 are true, but that 1 is not true. > > If that is the case, can you provide an example that demonstrates the > difference in expansion between \setup and \directsetup? > > Also, as far as expansion, is \fastsetup like \setup or like \directsetup? > \setup and \directsetup are similar. \fastsetup is like the name implies a faster version which ignores grid mode and doesn't care whether the requested environment even exists. > My simple testing shows no difference between setup, directsetup, and > fastsetup for namespace set and reset. Is it your understanding that > they all behave the same? > No, \fastsetup behaves different because it leaves \relax\empty in the input when you pass the name of a not existing environment. It shouldn't matter in normal usage but below are two examples. Example 1: \starttext \tex{directsetup} \scratchcounter 12\directsetup{unknown_a}34 \the\scratchcounter \tex{fastsetup} \scratchcounter 12\fastsetup{unknown_b}34 \the\scratchcounter \stoptext Example 2: \starttext \normalexpanded{\noexpand\firstoftwoarguments\directsetup{unknown_a}xy} \normalexpanded{\noexpand\firstoftwoarguments\fastsetup{unknown_b}xy} \stoptext Wolfgang

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directsetup vs setups
by Rik Kabel 15 Nov '21

15 Nov '21

Hello list, Can anyone provide a description of, or a point to a description of, the differences between setups= and directsetup= for including setups? I searched the list archive and the documents and found nothing. (That may indicate my level of search foo, but nonetheless I am in need of help with this.) -- Rik

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Can't replicate a simple example in the wikipage
by A A 15 Nov '21

15 Nov '21

Dear All, I'm trying to run one of the examples in the ConTeXt wiki page https://wiki.contextgarden.net/Titles Here's the code: *\setuppapersize[A5]\section[sec:old]{Old Section}This is an old-style \ConTeXt\ section.\startsection [ title={New Section} reference=sec:new, ]This is a new-style section.\stopsection* However, my compiled pdf looks nothing like the example on the wiki. What am I doing wrong? Is there anything wrong with my ConTeXt settings? Regards, Amine

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\startbodymatter forcing new page in document
by A A 15 Nov '21

15 Nov '21

Dear All, The following code generates a title and some fake text: *\setuppagenumbering[location=right]\usemodule[visual]\usebtxdataset[bibliography.bib]\starttext\title{test}\fakewords{1000}{1200}\stoptext* The following code does the same, but wraps the fakewords in a *bodymatter * environment: *\setuppagenumbering[location=right]\usemodule[visual]\usebtxdataset[bibliography.bib]\starttext\title{test}* *\startbodymatter\fakewords{1000}{1200}\stopbodymatter* *\stoptext* In the first case, the title remains on the same page as the fake text. In the second case, a new page is forced after the title. Why does this occur? Regards, Amine

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Paragraph break over pages with hanging float
by Adam Reviczky 15 Nov '21

15 Nov '21

Hi, Is there a way to allow a paragraph to break over two pages (between the paragraph start and the placement of the float) with a hanging float further down the paragraph? MWE: \starttext \input lorem \blank[20*line] % commenting out the hanging float allows paragraph break \startplacefigure[location={right,15*hang}] \framed[width=3cm,height=2cm]{graphic} \stopplacefigure \dorecurse{10}{\input lorem} \stoptext When I remove the hanging float, the paragraph is broken down at the first pagebreak. With the float, the paragraph starts always on the next page, regardless of the space left on the previous page. Adam

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Emojis showing up in black instead of colours
by Vincent Hennebert 15 Nov '21

15 Nov '21

Hi there, freshly upgraded LMTX installation. TwemojiMozilla.ttf downloaded from GitHub [1]. The following: \usemodule[fonts-emoji] \definefontfeature [overlay] [default] [ccmp=yes, colr=yes, dist=yes] \starttext {\definedfont[name:twemojimozilla*overlay] \ShowEmoji} \stoptext gives me pages of emojis, all black. According to what is described on Stackexchange, I should be getting colours. Am I doing something wrong? Thanks, Vincent [1] https://github.com/mozilla/twemoji- colr/releases/download/v0.6.0/TwemojiMozilla.ttf [2] https://tex.stackexchange.com/questions/466442/context-using-emoji- fonts-without-color

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Re: [NTG-context] mwe (font proble) SOLVED
by skyhorse＠gmx.us 15 Nov '21

15 Nov '21

Solved. Well almost. I do know that it's an access problem of some sort. I used 'font-manager' to look at fonts and it showed 'DejaVu Math Tex Gyre' as "disabled" For su is shows the font as usable. When context is run su, it compiles successfully. So the fonts are there. The example does work, but, not for me as user. I for some reason have the some fonts disabled. I'll figure out how to enable them. Thank you all for your time. I'll post back when I know what to do in case any future user has this problem. Thank you Hans Hagen via ntg-context <ntg-context(a)ntg.nl> wrote: > On 11/14/2021 12:26 AM, skyhorse--- via ntg-context wrote: > > Here is the minium not-working example which I took from the > > Wikigarden a few minutes ago. > > > > \def\T#1{% > > \startitemize[#1,joinedup] > > \item This is a bullet of type #1. > > \stopitemize > > } > > \starttext > > \dorecurse{9}{\T\recurselevel} > > \stoptext > > > > Compiling this into a pdf file with context produces an error. > > I've pasted the complete context typesetting run to show the error, in hopes that it will shed some light on what's wrong with my setup. I have a feeling that the stand along install is missing some vital part of the installation regarding fonts, and that it's not noticed by the majority of you since those items are still on your system from legacy versions. > nornally it means that you have no math font loaded (i.e. you do > something before \starttext > > Hans > > > > ----------------------------------------------------------------- > Hans Hagen | PRAGMA ADE > Ridderstraat 27 | 8061 GH Hasselt | The Netherlands > tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl > ----------------------------------------------------------------- > ___________________________________________________________________________________ > 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 > ___________________________________________________________________________________

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Re: [NTG-context] minimum working example plus (output)
by skyhorse＠gmx.us 14 Nov '21

14 Nov '21

Hans Hagen via ntg-context <ntg-context(a)ntg.nl> wrote: > On 11/14/2021 12:26 AM, skyhorse--- via ntg-context wrote: > > Here is the minium example which I took from the > > Wikigarden a few minutes ago. > > > > \def\T#1{% > > \startitemize[#1,joinedup] > > \item This is a bullet of type #1. > > \stopitemize > > } > > \starttext > > \dorecurse{9}{\T\recurselevel} > > \stoptext > > > > Compiling this into a pdf file with context produces an error. > > I've pasted the complete context typesetting run to show the error, in hopes that it will shed some light on what's wrong with my setup. I have a feeling that the stand along install is missing some vital part of the installation regarding fonts, and that it's not noticed by the majority of you since those items are still on your system from legacy versions. > > nornally it means that you have no math font loaded (i.e. you do > something before \starttext > > Hans Nothing is done before the sample shown above. That is all that is in the .lmtx source file. From looking at the errors, I agree, it looks like there are no math fonts or, they are not visiable to context. I need advice on how I can remedy that. What do I need and what do I need to do to install them if I don't have them already on disk. I assume that they are not distributed with the <install.sh> shelll script. Thanks

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minimum working example plus (output)
by skyhorse＠gmx.us 14 Nov '21

14 Nov '21

Here is the minium not-working example which I took from the Wikigarden a few minutes ago. \def\T#1{% \startitemize[#1,joinedup] \item This is a bullet of type #1. \stopitemize } \starttext \dorecurse{9}{\T\recurselevel} \stoptext Compiling this into a pdf file with context produces an error. I've pasted the complete context typesetting run to show the error, in hopes that it will shed some light on what's wrong with my setup. I have a feeling that the stand along install is missing some vital part of the installation regarding fonts, and that it's not noticed by the majority of you since those items are still on your system from legacy versions. Regards --------- * OS: ubuntu 20.04.3 LTS * Context current version: 2021.11.13 20:36 $ context bullet-style-example-iteration.lmtx ---------------- resolvers | formats | executing runner 'run luametatex format': /opt/context-lmtx/tex/texmf-linux-64/bin/luametatex --jobname="./bullet-style-example-iteration.lmtx" --fmt=/opt/context-lmtx/tex/texmf-cache/luametatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/formats/luametatex/cont-en.fmt --lua=/opt/context-lmtx/tex/texmf-cache/luametatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/formats/luametatex/cont-en.lui --c:currentrun=1 --c:fulljobname="./bullet-style-example-iteration.lmtx" --c:input="./bullet-style-example-iteration.lmtx" --c:kindofrun=1 --c:maxnofruns=9 --c:texmfbinpath="/opt/context-lmtx/tex/texmf-linux-64/bin" system > callbacks > not registering frozen 'local_box_filter' system > system > ConTeXt ver: 2021.11.13 20:36 LMTX fmt: 2021.11.13 int: english/english system > system > 'cont-new.mkxl' loaded open source > level 1, order 1, name '/opt/context-lmtx/tex/texmf-context/tex/context/base/mkxl/cont-new.mkxl' system > beware: some patches loaded from cont-new.mkiv close source > level 1, order 1, name '/opt/context-lmtx/tex/texmf-context/tex/context/base/mkxl/cont-new.mkxl' system > files > jobname './bullet-style-example-iteration', input './bullet-style-example-iteration.lmtx', result './bullet-style-example-iteration' fonts > latin modern fonts are not preloaded languages > language 'en' is active open source > level 1, order 2, name './bullet-style-example-iteration.lmtx' fonts > preloading latin modern fonts (second stage) fonts > defining > font with asked name 'lmroman12-regular' is not found using lookup 'file' fonts > defining > unable to define 'lmroman12-regular' as 'modern-designsize-12pt-rm-tf-0--0' fonts > defining > forced type 'otf' of 'latinmodern-math-regular' not found fonts > defining > unable to define 'latinmodern-math-regular.otf' as 'modern-designsize-12pt-mm-mr--3' fonts > defining > unable to define 'latinmodern-math-regular.otf' as 'modern-designsize-12pt-mm-mr--2' fonts > defining > unable to define 'latinmodern-math-regular.otf' as 'modern-designsize-12pt-mm-mr--1' fonts > defining > unable to define 'latinmodern-math-regular.otf' as 'modern-designsize-12pt-mm-mb--3' fonts > defining > unable to define 'latinmodern-math-regular.otf' as 'modern-designsize-12pt-mm-mb--2' fonts > defining > unable to define 'latinmodern-math-regular.otf' as 'modern-designsize-12pt-mm-mb--1' fonts > 'fallback modern-designsize rm 12pt' is loaded tex error > tex error on line 9 in file ./bullet-style-example-iteration.lmtx: \textfont0 is undefined in (text) char, font id 0, character 63) <macro> \textormathchar ...ar \scratchcounter \else \ifconditional \prefermathovertextchar \setfontid \fontid \textfont \c_font_fam_mr \fi \iffontchar \font \scratchcounter \char \scratchcounter \else \normalstartimath \char \scratchcounter \normalstopimath \fi \fi \endg ... <macro> \symb_place_indeed #1->\settrue \c_symb_found \begingroup \the \everysymbol \csname \??symbol #1\endcsname \relax \endgroup <macro> \symb_place_retry #1->\ifcsname \??symbol :#1\endcsname \symb_place_indeed {:#1} \else #1\fi <macro> \currentsymbol \setfalse \c_symb_found \the \t_symb_setups \ifconditional \c_symb_found \else \symb_place_retry \currentsymbol \fi <macro> \symb_place_argument #1->\dontleavehmode \edef \currentsymbol {#1}\ifcsname \??symbol \currentsymbolset :#1\endcsname \symb_place_indeed {\currentsymbolset :#1}\else \symb_place_normal \fi <macro> \symb_place_indeed #1->\settrue \c_symb_found \begingroup \the \everysymbol \csname \??symbol #1\endcsname \relax \endgroup ... <line 3.9> \dorecurse{9}{\T\recurselevel} 1 2 \def\T#1{% 3 \startitemize[#1,joinedup] 4 \item This is a bullet of type #1. 5 \stopitemize 6 } 7 8 \starttext 9 >> \dorecurse{9}{\T\recurselevel} 10 \stoptext "Somewhere in the math formula just ended, you used the stated character from an undefined font family. For example, plain TeX doesn't allow \it or \sl in subscripts. Proceed, and I'll try to forget that I needed that character. mtx-context | fatal error: return code: 256 "

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LMTX error processing Adobe Arabic Naskh font
by Idris Samawi Hamid ادريس سماوي ح امد 13 Nov '21

13 Nov '21

Dear Hans and gang, Consider the following MWE: ============== \definefont[ARABICFONT][file:Adobe_Naskh.ttf*arabic at 28pt] % \definefont[ARABICFONT][file:Amiri-Regular_0.ttf*arabic at 28pt] % \definefont[ARABICFONT][file:Scheherazade-Regular.ttf*arabic at 28pt] % \definefont[ARABICFONT][file:UthmanTN1_Ver10.otf*arabic at 28pt] % \definefont[ARABICFONT][file:almfixed.otf*arabic at 28pt] \disabledirectives[filters.utf.reorder] \noheaderandfooterlines \setupwhitespace[big] % \setupinterlinespace[line=4.2ex] \starttext % \startTEXpage[offset=1ex] \setupdirections[bidi=global,method=one] \righttoleft \ARABICFONT خَ‍ % a خَل % \stopTEXpage \stoptext ============== Three bugs: I. If we use start|stoptex and comment start|stopTeXpage, then both lines 19 and 21 give an error: ======= tex error > tex error on line 20 in file ./test.tex: lua error: callback error: [string "C:/ConTeXt/tex/texmf-context/tex/context/base..."]:2058: attempt to index a number value (local 'chainstep') stack traceback: [string "C:/ConTeXt/tex/texmf-context/tex/context/base..."]:2058: in upvalue 'chainrun' [string "C:/ConTeXt/tex/texmf-context/tex/context/base..."]:2941: in function <[string "C:/ConTeXt/tex/texmf-context/tex/context/base..."]:2514> (...tail calls...) [string "C:/ConTeXt/tex/texmf-context/tex/context/base..."]:2065: in upvalue 'chainrun' [string "C:/ConTeXt/tex/texmf-context/tex/context/base..."]:2941: in local 'handler' [string "C:/ConTeXt/tex/texmf-context/tex/context/base..."]:3999: in field '?' ...eXt/tex/texmf-context/tex/context/base/mkxl/node-fnt.lmt:459: in upvalue 'nodes_handlers_characters' [string "local tonut = nodes.tonut..."]:23: in function <[string "local tonut = nodes.tonut..."]:12> (...tail calls...) 10 \setupwhitespace[big] 11 % \setupinterlinespace[line=4.2ex] 12 13 \starttext 14 % \startTEXpage[offset=1ex] 15 \setupdirections[bidi=global,method=one] 16 \righttoleft 17 \ARABICFONT 18 19 خَ‍ 20 >> 21 خَل 22 23 % \stopTEXpage 24 \stoptext ======= Comment line 19 and yu will get virtually the same error. II. Using start|stopTeXpage, only line 21 gives the error: ======= tex error > tex error on line 22 in file ./test.tex: lua error: callback error: [string "C:/ConTeXt/tex/texmf-context/tex/context/base..."]:2058: attempt to index a number value (local 'chainstep') stack traceback: [string "C:/ConTeXt/tex/texmf-context/tex/context/base..."]:2058: in upvalue 'chainrun' [string "C:/ConTeXt/tex/texmf-context/tex/context/base..."]:2941: in function <[string "C:/ConTeXt/tex/texmf-context/tex/context/base..."]:2514> (...tail calls...) [string "C:/ConTeXt/tex/texmf-context/tex/context/base..."]:2065: in upvalue 'chainrun' [string "C:/ConTeXt/tex/texmf-context/tex/context/base..."]:2941: in local 'handler' [string "C:/ConTeXt/tex/texmf-context/tex/context/base..."]:3999: in field '?' ...eXt/tex/texmf-context/tex/context/base/mkxl/node-fnt.lmt:459: in upvalue 'nodes_handlers_characters' [string "local tonut = nodes.tonut..."]:23: in function <[string "local tonut = nodes.tonut..."]:12> (...tail calls...) 12 13 % \starttext 14 \startTEXpage[offset=1ex] 15 \setupdirections[bidi=global,method=one] 16 \righttoleft 17 \ARABICFONT 18 19 خَ‍ % a 20 21 خَل 22 >> 23 \stopTEXpage 24 % \stoptext ======= III Let us switch to almfixed: If you comment line 21 and use only line 19, then there is no tex error, but the result is rendered incorrectly - see test-broken.pdf. For the correct result, see test-correct.pdf (add a space and any letter - uncomment the end of line 19). Adobe Naskh is not publicly available. The four commented fonts are publicly available and generate no tex errors. Best wishes Idris -- Idris Samawi Hamid, Professor Department of Philosophy Colorado State University Fort Collins, CO 80512

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