March 2010 - ntg-context - NTG Mailing Lists

Mac installation-file not found error
by Curiouslearn 09 Mar '10

09 Mar '10

Hi, I tried updating my context minimal installation today (on Mac OSX 10.5.8) using the command sh ./first-setup.sh --extras=all Somewhere during the installation process the terminal gave me an error saying something like file \loadmarkfile{node-mig} not found. Enter another file name. I did not know what to enter so I pressed (Ctrl-C) and then installation process continued. I compiled a simple file and it compiled without any problems. Should I be worried about that file? Thanks.

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default for \xmlatt
by Hans van der Meer 09 Mar '10

09 Mar '10

I would like to have a default value available to be returned in case \xmlatt{#1}{attr} is absent. Something like \xmlattdefault{#1}{attr} {default}. Or is this already possible? I cannot find such a thing in the current reference manual for mkiv xml-processing. Hans van der Meer

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Lua-loop inside MetaPost
by Andreas Harder 09 Mar '10

09 Mar '10

Hi all, I can't find a solution for the following example: \starttext \startMPpage draw origin for i=0 step 10 until 100 : ..{down}(i,0) endfor ; \stopMPpage \startluacode context.startMPpage() context("draw origin"..for i=0,100,10 do.."..{down}("..i..",0)"..end..";") context.stopMPpage() \stopluacode \stoptext Can someone help? Thanks in advance Andreas

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Re: [NTG-context] suggestions for context documentation
by Victor Eijkhout 09 Mar '10

09 Mar '10

> \startitem Even an old manual can quite well describe > functionality as much didn't change. It's only with \MKIV\ that > some compatibility is dropped and only for obscure features. Of > course I could trick users by regenerating a manual with a newer > date. I often use the excellent book \quote {\TEX\ by Topic} which > is already quite old and does not cover \ETEX, \PDFTEX, \LUATEX\ > or whatever but what is told in it is still true. I never look at > it thinking it being old. \stopitem Hans, thanks for the compliments. Let me point out that the source of TeX by Topic is available under the Gnu Public Documentation License, so anyone should feel free to add modern TeX additions to it. Personally I feel that the eTeX & pdTeX additions are mature enough that they could be added, of course with suitable markers to indicate their non-standardness. I don't have the time for this, but I'd welcome a collaboration with anyone that wants to invest the time. Victor.

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using xml setup in another one
by Hans van der Meer 09 Mar '10

09 Mar '10

I would like to make xml-setups for general usage. For example making possible: <dvd> ...... <quote>Q</quote> ..... </dvd> With special setup for dvd: \startxmlsetups xml:case:casesetups % environment definition % ????? \xmlsetsetup{dvd}{*}{-} % ignore all inside <dvd></dvd> not below \xmlsetsetup{dvd}{% % these are not to be ignored dvd|state|datadirectory|....}{xml:case:*} \stopxmlsetups \xmlregistersetup{xml:case:casesetups} % register this setup and another one useable for general inclusion: \startxmlsetups xml:common:commonsetups % environment definition \xmlsetsetup{common}{quote|...}{xml:common:*} \stopxmlsetups \xmlregistersetup{xml:common:commonsetups} % register this setup As setup above it doesn't seem to work. What is the best route to accomplish the idea? Best would be restricting the nodes in the <dvd>'s to those defined under <dvd> + those in common, exclusively. Hans van der Meer

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from xml into buffer
by Hans van der Meer 09 Mar '10

09 Mar '10

I get an error with the code below. Is it (im)possible to fill a buffer from xml-processing in this manner? Or is there another way? The xml: <description>contents of description</description> The setups: \startxmlsetups xml:case:description \startbuffer[BESCHRIJVING] \xmlflush{#1} \stopbuffer \stopxmlsetups The error message: Runaway argument? \xmlflush {dvd::24}\stopbuffer \startcase \dvdfrontpagina [\PAGEFIGURE \ETC. ! File ended while scanning use of \dododowithbuffer. ConTeXt ver: 2010.03.02 12:34 MKIV fmt: 2010.3.8 int: english/english Hans van der Meer

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using otf fonts with MKIV
by Michael Saunders 09 Mar '10

09 Mar '10

I think this should be possible. I'm trying to follow: http://wiki.contextgarden.net/Fonts_in_LuaTex I have set OSFONTDIR and run mtxrun --script font --reload. The output looks like: MTXrun | fontnames: identifying tree font files with suffix otf MTXrun | fontnames: identifying tree font files with suffix OTF MTXrun | fontnames: 161 tree files identified, 0 hash entries added, runtime ... MTXrun | fontnames: 0 system files identified, 0 hash entries added, runtime 0.135 seconds MTXrun | fontnames: 60 files rejected due to clashes MTXrun | fontnames: 635 double lookups in mappings MTXrun | fontnames: 169 double lookups in fallbacks The next step, mtxrun --script fonts --list returns "not supported". I supposed that the documentation was wrong and finally struck on mtxrun --script fonts --list --pattern=* which seems to know of only one font file, though I have over 1000 in the folder.

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columns and whitespace
by James Fisher 08 Mar '10

08 Mar '10

There was a thread about columns and whitespace ~ 2 weeks ago, but I wasn't a subscriber then. I've just come across it independently myself. I'm not sure what conclusion was come to. From a few tests, I'd characterize the problem code in \startcolumns as: "if whitespace has been set to more than none, set whitespace to 'line'." Try it by uncommenting various lines: %\setupwhitespace[none] %\setupwhitespace[small] \starttext \startcolumns[n=2] %\setupwhitespace[small] \input knuth \stopcolumns \stoptext Do people agree with that characterization; has the bug been found; what's being done about it? I don't want to have to re-setup whitespace every time I go to columns. James

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Re: [NTG-context] including xml files
by Hans Hagen 08 Mar '10

08 Mar '10

On 8-3-2010 21:55, Thomas A. Schmitz wrote: > context --environment=ourenvironment maps1.html ah, context can recognize a couple of suffixes but ignores html so just use --forcexml which will add the wrapper (future versions will not use the wrapper but that's sort of hidden anyway) we also have another force: --forcecld as well for documents coded in lua (currently in the context namespace but in the future more generic) Hans ----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com | www.pragma-pod.nl -----------------------------------------------------------------

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Working with Arabic
by Graham Douglas 08 Mar '10

08 Mar '10

Firstly, hello to all listmembers from a new member and first-time poster --- please excuse any accidental breach of list etiquette in my initial postings :-) I would just like to start by saying a huge thank-you to Hans, Taco and the LuaTeX team for producing this wonderful, facinating, piece of software. Thanks also to whoever wrote the rsynch-based installation of the ConTeXt minimals, it worked **beautifully** on my Windows Vista laptop. I've come back to using TeX after a gap of a few years and I have to say that I am quite addicted to LuaTeX already. I have, in the recent past, programmed (mostly as a hobby) in C, Perl, PostScript etc --- so I am very keen to learn more about LuaTeX, and get to grips with it. There is much to learn, I am sure! My personsal interest is to use LuaTeX as a tool in my (self-teaching) studies of learning Arabic. Incidentally, that is how I discovered LuaTeX, through the videos of Idris' talks at the River-Valley site. Specifically, I want to keep notes of my Arabic studies in a nice way, so LuaTeX looks perfect for that. And so to my question. I would very much like to explore using (or writing (eventually...)???) commands that let me "format" Arabic words etc as part of my notes. I have not explored this yet, so I apologise if this is already possible 'out of the box'. I just wanted to ask the experts here, before spending too much time exploring the wrong things! For example, I would like to be able to use colour with certain glyphys in (any location) within Arabic words. For example \somecommand{Arabic text} where \somecommand{...} would (for example) put certain glyphs in colour --- particularly for grammar, where you are writing out verb tables, or dual/plural endings for adjectives/nouns etc. In essence, where do I need to start exploring to be able to write such things --- LuaTeX node processing, colour attributes etc?? Any pointers or guidance to help me start looking in the right place would be very welcome. Warm wishes to all Graham Douglas

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