February 2019 - ntg-context - NTG Mailing Lists

context --ansi creates empty log file
by Marco Patzer 08 Mar '19

08 Mar '19

Hi! Is it expected behaviour that --ansi creates an empty log file? Example: %% foo.tex \startext\null\stoptext # context foo # wc -c foo.log 7501 foo.log # context --ansi foo # wc -c foo.log 1 foo.log ctx 2019.01.28 16:58 Marco

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xtables rowspan
by Felipe de Jesús Molina Bravo 05 Mar '19

05 Mar '19

Hi!! I am begginer in "context" ( and "tex" too). I want to generate the next table: A.1 A.2 A.3 A.4 B.3 B.4 C.4 I am using xtables and the code is the next: \starttext \startxtable[frame=on] \startxtablehead \startxrow \startxcell[ny=3, nx=1] A.1 \stopxcell \startxcell[ny=3, nx=1] A.2 \stopxcell \startxcell[ny=1, nx=1] A.3 \stopxcell \startxcell[ny=1, nx=1] A.4 \stopxcell \stopxrow \startxrow \startxcell[ny=2, nx=1] B.3 \stopxcell \startxcell[ny=1, nx=1] B.4 \stopxcell \stopxrow \startxrow \startxcell[ny=1, nx=1] C.4 \stopxcell \stopxrow \stopxtablehead \stopxtable \stoptext and the result table (with above code) is: [image: image.png] I don't find what is my error....can anybody help me? thanks in advance!!

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util-sha.lua misbehaving?
by Pablo Rodriguez 04 Mar '19

04 Mar '19

Dear list, I have the following sample: \startluacode function document.capture(cmd, raw) local f = assert(io.popen(cmd, 'r')) local s = assert(f:read('*a')) f:close() if raw then return s end s = string.gsub(s, '^%s+', '') s = string.gsub(s, '%s+$', '') s = string.gsub(s, '[\n\r]+', ' ') return s end function document.sha512(file) command_output= document.capture("sha512sum -b " .. file) context(command_output:sub(0,8)) end \stopluacode \def\shafive#1{\ctxlua{document.sha512("#1")}} \doif{\luaversion}{5.3}{\ctxlua{require("util-sha")}} \def\hashfive#1{% \ctxlua{context( utilities.sha2.hash512("#1"):sub(0,8))}} \def\hashfivefile#1{% \ctxlua{context( utilities.sha2.hash512(io.loaddata("#1")):sub(0,8))}} \def\cB{i-context.pdf} \starttext \startTEXpage[offset=2em] \tt i-context.pdf\ss: \doifelse{\luaversion}{5.3} {\hashfivefile{\cB}\\ {\rm text: }\hashfive{\cB}} {\shafive{\cB}} \stopTEXpage \stoptext Just accidentally, I discovered today (using latest beta from 2019.02.26 20:04) that file hashing may be wrong in ConTeXt. For the sake of brevity, I only use the 8 first chars. "sha512sum i-context.pdf" gives c4cc3840. Using luajittex, I get that result. But using Lua 5.3 (and util-sha.lua), I get 44241e9d. I don’t know whether my invocation of io.loaddata is wrong, since the SHA512 for the text "i-context.pdf" is 2ac2778b, which is the same result as https://duckduckgo.com/?q=sha512+i-context.pdf. After discovering that io.loaddata is from l-io.lua, I don’t know what I may be doing wrong. This is an essential feature for me in ConTeXt, since it is the way of showing the integrity of the attached files to a PDF document (mainly digitally signed documents). Could anyone tell me what I am missing here? Many thanks for your help, Pablo -- http://www.ousia.tk

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em-dash ligature is converted to en-dash in the generic fontloader
by Marcel Krüger 01 Mar '19

01 Mar '19

On 2/23/2019 1:50 PM, Ulrike Fischer wrote: > As reported on the dev-luatex list --- is converted to an en-dash > (instead of em-dash) if there are no spaces around the ---. > > We could now reproduce the problem also with the generic fontloader: > it appears only with mode=node. I'm using the files from 2019-02-14, > but the problem appeared first in the files from 2018-11-18): > > \font\test={file:texgyreheros-regular.otf:+tlig;mode=node;}\test > > dashes-these % gives dash > > dashes--these % gives en-dash > > dashes---these % gives en-dash WRONG > > dashes --- these % gives em-dash > > em-dashes---these % gives em-dash > > \bye > > context is not affected, there the code works fine. This issue can be fixed in the fontloader with the attached patch. Best regards, Marcel Krüger

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TeX Live 2019: attempt to call a nil value (upvalue 'isfile')
by Henri Menke 01 Mar '19

01 Mar '19

Dear list, I just installed TeX Live 2019 pretest and running context --make fails with error in callback: ...xlive/2019/texmf-dist/tex/context/base/mkiv/luat-cod.lua:194: attempt to call a nil value (upvalue 'isfile') This can easily be fixed by replacing in luat-cod.lua local isfile = lfs.isfile with local isfile = function(file) return lfs.attributes(file,"mode") == "file" end This should probably be fixed before the release. Cheers, Henri

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How to define a new language?
by Paul Hoffman 01 Mar '19

01 Mar '19

I'm trying to define a new language for use in a bilingual document, but my hyphenation patterns are being ignored and I'm sure I must be doing something wrong. I've devised a minimal example that should hyphenate between vowels but doesn't. Here's the hyphenation patterns file: ----------------------------- lang-foo.pat ----------------------------- % Hyphenation patterns for Foo. \begingroup \patterns{ a1a a1e a1i a1o a1u e1a e1e e1i e1o e1u i1a i1e i1i i1o i1u o1a o1e o1i o1o o1u u1a u1e u1i u1o u1u } \endgroup ------------------------------------------------------------------------ I tried to convert this to Lua code but couldn't figure out the right invocation of _mtxrun --script pattern --convert_. Then I wrote a minimal Context file and hoped it would pick up lang-foo.pat anyhow: ----------------------------- test-foo.tex ----------------------------- \installlanguage[foo][ spacing=broad, leftsentence=---, rightsentence=---, leftsubsentence=---, rightsubsentence=---, leftquote=\upperleftsinglesixquote, rightquote=\upperrightsingleninequote, leftquotation=\upperleftdoublesixquote, rightquotation=\upperrightdoubleninequote, date={month,\ ,day,{,\ },year}, state=stop, ] \mainlanguage[foo] \setuppapersize[A6] \setupalign[hyphenated,morehyphenation,flushleft] \starttext umleoeoikaoukkoiiaaiewuewniimoaralkokolwwuiuirmlkipetnoaeteuntoilooooamm uuuauemepokawpoieoomtkeaipeailloaukoiwaeuaewurawiueanwtaoaoemmuuonwleaue mrtmuweokmikariurtlluiraapnkowuaueolmrneraiiioeauemmaamauiiolluwrltounte aaaunnoitwueemwlniowotuauwomaupaapwtawiikiuolnrolouletouunwptoioououoael kiitinouoeolopewourtuineuaermnmmioaiuienkewuiaaklinipprurainouioiomuwokr koriiaieulkppwwieoemlipiakinppprnpaiaaekapnpatritotoeormaetualeonemlppau earoeauoiimekoilliiuomirnrwarpupieiilaaueeoaekwriummikpatakeairolwpiaoaa tniweuiineeetuiektpalukluanetoiklwnemutlonnuaalpnelpniiuiutmaoakmkoiomia ineioporrieopatakomonipiuwuiwiiaueiueoluoeaaiootwuekinkwawrrwwppilewoioo itroreraeonkeuiaawalunnueoreiaaeewknailaeomomilkruruekuonkaonwwiieunonow \stoptext ------------------------------------------------------------------------ It does seem to see lang-foo.pat: $ context --pdf test-foo.tex | fgrep patterns mkiv lua stats > loaded patterns: en::2 foo::67, load time: 0.000 But in the resulting PDF, nothing is hyphenated. (I'll post the PDF if anyone really wants to see it.) Here's my _context --version_ output: mtx-context | ConTeXt Process Management 1.02 mtx-context | mtx-context | main context file: /usr/local/context/tex/texmf-context/tex/context/base/mkiv/context.mkiv mtx-context | current version: 2018.01.19 13:42 Can someone point me to my mistake? Thanks in advance, Paul. -- Paul Hoffman <nkuitse(a)nkuitse.com>

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Modes and conditional part of the source
by Procházka Lukáš Ing. 01 Mar '19

01 Mar '19

Hello, I'm struggling with using modes to make a part of the text conditional. Here is my code: ---- \def\b#1{\startmode[#1]} \def\e{\stopmode} % \enablemode[100] % For optional usage \starttext A \b{100} % Should be start of some conditional text from here ... B \e % ... to here \stoptext ---- Compilation fails with: " tex error > tex error on line 0 in file : ! Emergency stop <*> cont-yes.mkiv <empty file> *** (job aborted, no legal \end found) " How to make the sample work? Best regards, Lukas -- Ing. Lukáš Procházka | mailto:LPr@pontex.cz Pontex s. r. o. | mailto:pontex@pontex.cz | http://www.pontex.cz | IDDS: nrpt3sn | IČO: 40763439 Bezová 1658 147 14 Praha 4 Mob.: +420 702 033 396

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Output problem with nodes.toutf utility function (latest beta 02.26.2019)
by Joseph Canedo 01 Mar '19

01 Mar '19

Dear list, I use lua function nodes.toutf to print text being typeset in log output for debugging purposes etc… and I noticed output is now different for some characters/glyphs. I use EB Garamond font, which might explain. Before, for example output was : user > margin > margin box text Thareh. Now it is : user > margin > margin box text 󰀙areh. The « Th » was replaced by some 󰀙 placeholder perhaps for unknown character? Please note that typeset text is not impacted, it seems correct. Joseph

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Distance between two Columns
by Ursula Hermann 28 Feb '19

28 Feb '19

Dear List! I have the following example. I would like to have two columns that are in the distance small. So I have tried: \setuppapersize[A5] \startcolumns \defineframed [tightframed][width=5cm,width.1\textwidth,align=right] \tightframed{Small} \column \tightframed{A really really long line that is split at 5cm} If I take the example with only \tightframed, without the columns, I have the small distance, but I would like to have a left and right column with small distance. Can someone help me please?

3 2

Setting tabulate table width with \textwidth inside an item group
by Clyde Johnston 27 Feb '19

27 Feb '19

Dear List: I have a tabulate table inside an indented item group and I would like to set the width of the table to the \hbox size of the surrounding text. If I use \textwidth as a width parameter, the table spills into the right margin (see attached). What is the correct parameter to use to set the width of the table to the width of the text in the item group? MWE \starttext \showframe \startitemize[n,3*broad] \startitem{% \input ward \starttabulate[|cp(.25\textwidth)|cp(.75\textwidth)|] \HL \NC Column A \NC Column B \NC \NR \HL \NC 1 \NC 2 \NC \NR \NC 2 \NC 3 \NC \NR \NC 3 \NC 4 \NC \NR \NC 4 \NC 5 \NC \NR \NC 5 \NC 6 \NC \NR \BL \stoptabulate \input ward } \stopitem \stopitemize \stoptext Thanks, Clyde

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