ntg-context February 2017

ntg-context@ntg.nl

51 participants
82 discussions

Bibliography issue, @ELECTRONIC editor
by Rik Kabel 25 Feb '17

25 Feb '17

ConTeXters, The following example demonstrates an issue with the ELECTRONIC bib type: \startbuffer[TestBib] @ELECTRONIC{Edited, editor = {An Editor}, title = {A title}, url = {http://www.example.com}, year = {2017}, } @ELECTRONIC{Authored, author = {An Author}, title = {Another title}, url = {http://www.example.com}, year = {2017}, } \stopbuffer \loadbtxdefinitionfile[apa] \usebtxdefinitions [apa] \usebtxdataset [TestBib.buffer] \definebtxrendering [Pubs][apa] \enabletrackers[publications.authorhash] \starttext \nocite[*] \placelistofpublications[Pubs] \stoptext Although either editor or author should be accepted, only author is processed. There is a warning message generated by the publications subsystem: unable to create short for 'Edited', needs one of [author,editor] but clearly there is an editor. A reasonable workaround is to use author instead of editor, but it would be nice to have a fix. -- Rik

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new lua/stack error
by Alan Bowen 24 Feb '17

24 Feb '17

The latest beta — ConTeXt ver: 2017.02.19 with LuaTeX, Version 1.0.3 — chokes on entries such as \cite[author1, author2, and author3 2017] and reports an error: e.g., lua error > lua error on line 81 in file c_Brill09-02_Evans.tex: C stack overflow stack traceback: [C]: in function 'type' ...eXt/tex/texmf-context/tex/context/base/mkiv/lpdf-ini.lua:373: in function <...eXt/tex/texmf-context/tex/context/base/mkiv/lpdf-ini.lua:367> [C]: in function 'tostring' ...eXt/tex/texmf-context/tex/context/base/mkiv/lpdf-ini.lua:342: in function <...eXt/tex/texmf-context/tex/context/base/mkiv/lpdf-ini.lua:317> If I try something like \cite[A B and C] all is well. Adding the commas as in \cite[A, B, and C] gets the error. Sadly, I need the commas. Alan

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floats on pages without headers
by Alan Bowen 24 Feb '17

24 Feb '17

I have some large floats that look best on empty pages, i.e., pages that do not have headers? The wiki suggests that location=page will put the float on an empty page but this does not seem to be the case: \starttext \dorecurse{3}{\input knuth} \startplacefigure[title=Cow, location={page}] {\externalfigure[cow.pdf][width=.7\textwidth]} \stopplacefigure \dorecurse{3}{\input knuth} \stoptext I am using the latest beta. Alan

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decomposed and precomposde glyphs
by Ulrike Fischer 24 Feb '17

24 Feb '17

When using input like the following with xetex then harfbuzz kicks in and one would always get the good looking precomposed U+1EA0 for the A and the decomposed B+U+0323 for the B. With context (and lualatex) one get a rather bad looking -- as the dot is misplaced -- output for the A^^^^0323 input and no output at all for ^^^^1e04. As the coverage for precomposed glyphs varies a lot across fonts this is rather a nuisance. Is there a way to get the fontloader (also the one used by luaotfload) to do a similar substituation as done by harfbuzz? \starttext \catcode`\^= 7 Ạ A^^^^0323 %decomposed input -> U+1EA0 with xetex Ạ ^^^^1ea0 %precomposed input Ḅ B^^^^0323 %decomposed input ^^^^1e04 %precomposed input -> B+U+0323 with xetex \stoptext (I added the ^^-notation to avoid problems with copy&paste) -- Ulrike Fischer http://www.troubleshooting-tex.de/

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controlling title head distances when grid is enabled
by Csikos Bela 23 Feb '17

23 Feb '17

Dear context users: I would like to typeset my documents to gridlines. If grid is enabled, the distances between titles (section, subsection,subsubsection heads) and text are too big. Here's an example: \setuplayout[grid=yes] \showgrid \starttext \section{Section One} \input tufte \subsection{Subsection One} \input ward \subsubsection{Subsubsection One} \input tufte \section{Section Two} \subsection{Subsection Two} \input davis \subsection{Subsection Three} \input dawkins \stoptext In the output there are 3 empty lines before and 2 after Subsection One. It would be enough 2 and 1 lines, respectively. On page 2, between Section Two and Subsection Two heads 4 empty lines are inserted, which is to much (ugly). How can I control the empty space before and after heads when grid is enabled? I tried this: \setuphead[section][before=\vskip-2.8ex,after=\vskip-2.8ex] but it removes all spaces not only 1 line. I also tried \setuphead[section][before={\blank[2*line]},after={\blank[line]}] but it doesn't have any effect. Thank you in advance, bcsikos

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XML export of a lua table
by Peter Rolf 23 Feb '17

23 Feb '17

Hi, what is the easiest way to export a lua table (mostly key-value pairs) into a XML file? I found 'lxml.save', but no luck with a converter function. Any help welcome. Peter

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Purpose/use of loadsetup interface *.xml files
by Stephen Gaito 23 Feb '17

23 Feb '17

Hello, Problem: -------- I am having trouble getting a simple module's documentation to load setup information. Question: --------- Where can I find up-to-date documentation on the load setup interface file use and required format? Background: ---------- I have a current standalone ConTeXt installation with only luatex(mkiv) and all modules (updated yesterday). I intend to write a number of ConTeXt modules to assist in my work. My first module is ConTests a simple wrapper around lua's lunatest framework. ( GitHub: stephengaito/ConTests ) As I work I like to write unit-tests and documentation concurrently with the code itself (as much as possible). I am basing my documentation effort on t-fancybreak.mkvi. As such I have written a setup interface file t-contests.xml. My directory structure is: t-contests/tex/context/interface/third/t-contests.xml t-contests/tex/context/third/ConTests/t-contests.mkiv t-contests/tex/context/third/ConTests/t-contests.lua I am building my module documentation using: mtxrun --script modules --process t-contexts.mkiv (inside the t-contests/tex/context/third/ConTests directory). The resluting t-contests-mkiv.pdf file has 'MISSING SETUP' where I would expect the \showsetup{loadSuite} output to be placed. The mtxrun log output has the line: xml > core > load error in [id: setups:, file: .xml]: empty xml file I interpret this to mean that my interface file was not found (or possibly not correctly specified). The relevant contents of t-contests.mkiv are: ------------ %M \usemodule[contests] %M \loadsetups[t-contests.xml] \writestatus{loading}{ConTeXt User Module / ConTests} %D \subject{Implementation} \unprotect \ctxloadluafile{t-contests} %D \macros{loadSuite} %D %D \showsetup{loadSuite} \def\loadSuite#1{\directlua{thirddata.contests.lunatest.loadSuite('#1.lua')}} \protect \endinput ----------------- The contents of t-contests.xml is: -------------- <?xml version="1.0" encoding="UTF-8"?>   <cd:interface xmlns:cd="http://www.pragma-ade.com/commands" name="context" language="en" version="2010.06.21"> <cd:command name="loadSuite" generated="yes" file="t-contests.mkiv"> <cd:sequence> <cd:string value="loadSuite"?> </cd:sequence> <cd:arguments> <cd:content n="1" optional="no"/> </cd:arguments> </cd:command> </cd:interface> ----------------- Any and all assistance would be greatly appreciated. Regards, Stephen Gaito

1 0

Questions on new bibliography system (btx)
by Rik Kabel 22 Feb '17

22 Feb '17

I have a few questions about the new bibliography system. The following example code illustrates the problems. \startbuffer[TestBib] @OTHER{Author1975a, author = {An Author}, title = {A title}, year = {1975}, } @OTHER{Author1975b, author = {Author, An}, title = {Another title}, year = {1975}, } @OTHER{Else1975a, author = {Somebody Else}, title = {A third title}, year = {1975}, } @OTHER{Else1975b, author = {Somebody Else}, title = {A last title}, year = {1975}, } @FILM{Movie, producer = {Normal Name}, director = {Funny Name}, title = {Who Knew?}, year = {2010}, publisher = {Producer}, address = {Hollywood} } @INBOOK{Subtitle, author = {Sally Subtitle-Spacing}, title = {Another Country}, year = {1958}, publisher = {Publisher}, address = {City}, volume = {16}, booktitle = {On the road}, booksubtitle = {Books and essays written while traveling under cover}, } \stopbuffer \loadbtxdefinitionfile[apa] \usebtxdefinitions [apa] \usebtxdataset [TestBib.buffer] \definebtxrendering [Pubs][apa] \starttext \nocite[*] \placelistofpublications[Pubs] \stoptext How can I get “An Author” treated like “Author, An” as in the OTHER examples? The result should like like that of “Somebody Else”. Bibtex databases have both forms and it would be nice if the work was done by ConTeXt automatically. The manual suggests that fields like director (see the FILM example) can be induced to be treated as author/editor names by sufficiently advanced users. Would such a user please share the method? In the INBOOK example, can we get a BOOKSUBTITLE field to complement the BOOKTITLE? My real bibliography has some very long titles, and I would rather have only the main part appear with \cite[booktitle][entry], yet have the title with subtitle in the bibliography. Also in the INBOOK example, I notice that the spacing after “Vol.” is a sentence space, and it should not be. The spacing after abbreviations in the bibliography should not depend on setting frenchspacing. -- Rik

2 2

Underful with \startalignment[flushright]
by josephcanedo＠gmail.com 21 Feb '17

21 Feb '17

Dear list, Could not find any hint on this list on this (minor) problem. When compiling the following simple MWE : \starttext \startalignment[flushright] Foo. \stopalignment \stoptext I get an underful hbox message : Underfull \hbox (badness 10000) in paragraph at lines 4--5 []\3>modern-designsize-12pt-rm-tf-0--0 Foo. Is there a simple way to avoid the underful message (other than adding a \hfil before the text) ? \starttext \startalignment[flushright] \hfil Foo. \stopalignment \stoptext Many thanks Best regards Joseph Canedo

4 4

coma in an argument
by Pablo Rodriguez 21 Feb '17

21 Feb '17

Dear list, I have this stupid sample: \starttext \def\cA{a, b, c} \doifelse{\env{cA}}{\cA}{equal}{unequal} \stoptext I compile it with: contextjit --arguments="cA=a, b" a.tex Because of the coma, I get this error: check > missing or ungrouped '=' after 'b' in line '29 (15>environment:)' \wait = Is there a way to write the arguments option value, so that I can type "a, b"? Many thanks for your help, Pablo -- http://www.ousia.tk

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ntg-context February 2017