November 2023 - ntg-context - NTG Mailing Lists

Modernizing Parametric type design A case study of Nupuram Malayalam typeface
by luigi scarso 04 Nov '23

04 Nov '23

https://typoday.in/spk_papers/Santhosh_Thottingal_Typoday2023.pdf and https://twitter.com/santhoshtr/status/1577596445917470722 Long live to metapost & metafont (& mflua :-) :-) :-) ) -- luigi

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Several math features broke for me in new Debian version
by Kumar Appaiah 03 Nov '23

03 Nov '23

Dear Friends, I am a regular user of ConTeXt. A recent upgrade of ConTeXt in Debian broke things for me. The bug report is here: https://bugs.debian.org/1055233 but I have reproduced the gist here: Upon upgrading to ConTeXt 2023.05.05.20230730+dfsg-2, several math features seem to break for me. Here is an example: \starttext Hello world! \startformula X(f) = \startcases[align={right,left},distance=3pt] \NC T, \NC{} $|f| < \frac{1}{2T}$ \NR \NC 0, \NC{} $|f| \geq \frac{1}{2T}$ \NR \stopcases \stopformula \stoptext The above works very well in 2021.03.05.20230120+dfsg-1+deb12u1 but gives me this error in 2023.05.05.20230730+dfsg-2: resolvers | formats | executing runner 'run luametatex format': /usr/bin/luametatex --jobname="./test.tex" --socket --shell-escape --fmt=/home/kumar/.texlive2023/texmf-var/luametatex-cache/context/f919750633122078d706dd10f1cfd39b/formats/luametatex/cont-en.fmt --lua=/home/kumar/.texlive2023/texmf-var/luametatex-cache/context/f919750633122078d706dd10f1cfd39b/formats/luametatex/cont-en.lui --c:currentrun=1 --c:fulljobname="./test.tex" --c:input="./test.tex" --c:kindofrun=1 --c:maxnofruns=9 --c:texmfbinpath="/usr/bin" job > passes > version mismatch: 1.32 <> 1.33 system > system > ConTeXt ver: 2023.05.05 18:36 LMTX fmt: 2023.11.2 int: english/english system > system > 'cont-new.mkxl' loaded open source > level 1, order 1, name '/usr/share/texmf/tex/context/base/mkxl/cont-new.mkxl' system > beware: some patches loaded from cont-new.mkiv close source > level 1, order 1, name '/usr/share/texmf/tex/context/base/mkxl/cont-new.mkxl' system > files > jobname './test', input './test.tex', result './test' fonts > latin modern fonts are not preloaded languages > language 'en' is active open source > level 1, order 2, name './test.tex' fonts > preloading latin modern fonts (second stage) mathematics > tweak > 'LatinModernMath-Regular', size 6, math size 3, version 'Version 1.959' found, version 'Version 1.958' expected fonts > 'fallback modern rm 12pt' is loaded tex error > tex error on line 5 in file ./test.tex: Missing $ inserted <inserted text> $ <to be read again> \mathatom <macro> \math_atom_by_parameter_indeed #1->\mathatom \s!class \mathcodechecked {#1} <macro> \math_frac #1#*[#2]->\beginmathgroup \setlocalmathfractioncurrent {#1}\ifparameter #2\or \setupcurrentmathfraction [#2]\fi \edef \p_math_fraction_fences {\mathfractionparameter \c!fences }\math_atom_by_parameter \mathfractionparameter \bgroup \ifempty \p_math_f <to be read again> { <line 3.5> \NC T, \NC{} $|f| < \frac{ 1}{2T}$ \NR 1 \starttext 2 Hello world! 3 \startformula 4 X(f) = \startcases[align={right,left},distance=3pt] 5 >> \NC T, \NC{} $|f| < \frac{1}{2T}$ \NR 6 \NC 0, \NC{} $|f| \geq \frac{1}{2T}$ \NR 7 \stopcases 8 \stopformula 9 \stoptext 10 I've inserted a begin-math/end-math symbol since I think you left one out. Proceed, with fingers crossed. mtx-context | fatal error: return code: 1 Just another note: some examples seem broken here as well: https://wiki.contextgarden.net/Multiline_equations Please let me know how I can help debug this. Thanks. Kumar -- Kumar Appaiah

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Example is not working
by Ursula Hermann 03 Nov '23

03 Nov '23

Dear List, i hope somone can help me. This litte example is from the wiki, i wanted to try \placeformula \placeformula[formula:aformula] \startformula y=x^2 \stopformula \placeformula \startformula \int_0^1 x^2 dx \stopformula After compiling there is no PDF Page . But this: Command Line: context.exe --synctex=-1 "mathtry.tex" Startup Folder: C:\Users\Administrator\Downloads\cont-tmf\doc\context\sources\general\magazines resolvers | formats | executing runner 'run luametatex format': luametatex --jobname="./mathtry.tex" --socket --shell-escape --fmt=C:/texlive/2023/texmf-var/luametatex-cache/context/1b4da46d1f340757f9984eae810b1464/formats/luametatex/cont-en.fmt --lua=C:/texlive/2023/texmf-var/luametatex-cache/context/1b4da46d1f340757f9984eae810b1464/formats/luametatex/cont-en.lui --c:currentrun=1 --c:fulljobname="./mathtry.tex" --c:input="./mathtry.tex" --c:kindofrun=1 --c:maxnofruns=9 --c:synctex="-1" --c:texmfbinpath="C:/texlive/2023/bin/windows" system > system > ConTeXt ver: 2023.05.05 18:36 LMTX fmt: 2023.6.1 int: english/english system > system > 'cont-new.mkxl' loaded open source > level 1, order 1, name 'C:/texlive/2023/texmf-dist/tex/context/base/mkxl/cont-new.mkxl' system > beware: some patches loaded from cont-new.mkiv close source > level 1, order 1, name 'C:/texlive/2023/texmf-dist/tex/context/base/mkxl/cont-new.mkxl' system > 'cont-sys.mkxl' loaded open source > level 1, order 2, name 'C:/texlive/2023/texmf-dist/tex/context/texlive/cont-sys.mkxl' close source > level 1, order 2, name 'C:/texlive/2023/texmf-dist/tex/context/texlive/cont-sys.mkxl' system > files > jobname './mathtry', input './mathtry.tex', result './mathtry' fonts > latin modern fonts are not preloaded languages > language 'en' is active system > synctex functionality is enabled, expect 5-10 pct runtime overhead! open source > level 1, order 3, name './mathtry.tex' fonts > beware: no fonts are loaded yet, using 'lm mono' in box tex error > tex error on line 4 in file ./mathtry.tex: \textfont0 is undefined in ordinal, font id 0, character 63) <macro> \endgroup \Ustopmathmode <macro> \stopforceddisplaymath \egroup \ifcase \c_strc_formulas_frame_mode \else \strc_math_number_check_offsets \fi \ifcase \c_strc_formulas_frame_mode \strc_math_number_check \or \strc_math_number_check_outside \else \strc_math_number_check_inside \fi \str <macro> \endgroup \strc_formulas_endstrut \stopinnermath \afterdisplayspace \egroup <macro> \p_threshold \strc_formulas_place_number \strc_formulas_flush_number \dostarttagged \t!formulacontent \empty \dotagregisterformula \c_strc_formulas_n \csname \e!stop \formulaparameter \c!alternative \v!formula \endcsname \dostoptagged \dostoptagged \nonoindentati <line 3.4> \stopformula 1 \placeformula[formula:aformula] 2 \startformula 3 y=x^2 4 >> \stopformula 5 \placeformula 6 \startformula 7 \int_0^1 x^2 dx 8 \stopformula 9 10 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: 1 Many regards Uschi Hermann _____________________________________________________________________ ConTeXt Compilation Report (Pages: 0) Errors: 0 Warnings: 0 Bad Boxes: 0

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Adobe Source Typescript With Design Sizes
by Vincent Hennebert 03 Nov '23

03 Nov '23

Hello there, I had mentioned this on a thread some (long) time ago, finally got around to finishing a first version of a typescript with the Adobe Source font family, in all its weight alternatives and design sizes (the latter being available in the Serif style only). Comments welcome. If it looks good I can upload it to the wiki, on the Typescripts_examples page I guess. (I have Questions For the Experts further down...) About Adobe Source ================== The fonts are available on GitHub [1]. They are the descendants of the Source {Serif,Sans,Code} Pro fonts described in the type-imp-source.mkiv typescript available in the ConTeXt distribution. Due to major changes, Serif Pro was renamed into Serif 4 in, well, its version 4 [2] (that’s the version that introduces design sizes, a.k.a. optical sizes), and Sans Pro was renamed into Sans 3 [3]. [1] https://github.com/adobe-fonts/ [2] https://github.com/adobe-fonts/source-serif/releases/tag/4.004R [3] https://github.com/adobe-fonts/source-sans/issues/192 Usage ===== Short version: store the attached typescript and its helper Lua files somewhere on your file system where ConTeXt will find them ($HOME/texmf for example), then use in your document: \setupbodyfont[adobesource] Long version: The default typescript name is adobesource (also available as adobesource-regular) and has design sizes enabled. Each weight is also available: adobesource-extralight, adobesource-light, etc., all the way to adobesource-black. There is also a medium weight, that selects the regular versions of Serif and Sans, but the medium version of Mono (just slightly bolder than the regular one, presumably for better on-screen rendering in terminals). Design sizes can be disabled by adding -nodesignsize- to the typescript name: adobesource-nodesignsize-extralight, etc. Finally, I thought it would be cool to over-engineer the typescript a little bit and provide direct access to the design sizes (in case one would want a narrower version for body text, or a bolder and more expanded version for titles, etc.). Here they are, again in all their weights: adobesource-caption-extralight, adobesource-smtext-light, adobesource-subhead, adobesource-display-bold, etc. The ‘regular’ design size is accessed by simply using adobesource-nodesignsize. Questions For the Experts ========================= To avoid a gigantic typescript file with a lot of duplication, I offloaded the font filename calculation to a Lua function (see attached adobesource.lua). I initially wanted to put the Lua code inside the typescript, but then I had all sorts of weird Lua compilation errors. The very same code works fine when included in a normal document though. Could it be that typescripts are processed in some special mode that doesn’t like Lua syntax? As a workaround, I put the code in an external file and require it from inside the typescript. In the goodies file, I use what I believe is the largest possible font size that can be used in ConTeXt (16,383pt) to select the Display design size. Otherwise, text above that size will fall back to the default, regular design size. Now, since I use the goodies file only when design sizes are enabled, I thought I could make it more robust by using AdobeSource4Display as a default, that is, for any size above 16.5pt. However, if I mix design sizes enabled and disabled in a document, the disabled one seems to be using the goodies file even though it’s not mentioned in the typescript. Any idea of why? For example: \usetypescriptfile[adobesource] \usebodyfont[adobesource] \setupbodyfont[adobesource-nodesignsize] \starttext This text is typeset in Display when Regular should be used. \switchtobodyfont[adobesource] This text is typeset in Regular with design sizes enabled. \stoptext What’s Next =========== * A harmonious-looking companion math font. * A harmonious-looking companion math font that uses glyphs from Adobe Serif 4 when available. Thanks, Vincent

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