Re: [NTG-context] How to use my own BibTeX style (bst)?

2009-03-13 Thread Taco Hoekwater
Wei-Wei Guo wrote: Maybe it is better to provide a simple example. For example, I have try.bbl as following. In mkiv (and xetex also, I assume), that just works, assuming you have a working typescript for the combination of scripts. Example attached (the example uses AdobeMingStd-Light) I

Re: [NTG-context] Official diary of countries, EU, regions, etc.

2009-03-13 Thread Taco Hoekwater
Xan wrote: A question: if I define a custom entry, for example entrada, I could use \insertentrada{before}{after}{not found}? Here is a minimalistic, but full, example \usemodule[bib] \newbibfield[entrada] \startpublication[k=w,a=taco,y=2009,t=xanspecial] \entrada{Entrada given}

Re: [NTG-context] ConTeXt T-shirts?

2009-03-13 Thread Hans Hagen
Xan wrote: En/na Taco Hoekwater ha escrit: For Xan: Wolfgang Schuster wrote: % You are free to use this code any way you can ^ license So public domain. But % Copyright 2008 Taco Hoekwater so, it's really CC Atribution 3.0

Re: [NTG-context] ConTeXt T-shirts?

2009-03-13 Thread Hans Hagen
Taco Hoekwater wrote: Xan wrote: En/na Taco Hoekwater ha escrit: For Xan: Wolfgang Schuster wrote: % You are free to use this code any way you can ^ license So public domain. But % Copyright 2008 Taco Hoekwater so, it's really

Re: [NTG-context] die if a module is missing

2009-03-13 Thread Hans Hagen
John Devereux wrote: Wolfgang Schuster schuster.wolfg...@googlemail.com writes: Am 12.03.2009 um 15:06 schrieb John Devereux: Michael Bynum mdby...@gmail.com writes: This has burned me too. It would be nice if the errors were more prominent, perhaps repeated at the end of the output? Mike

Re: [NTG-context] die if a module is missing

2009-03-13 Thread John Devereux
Hans Hagen pra...@wxs.nl writes: John Devereux wrote: Wolfgang Schuster schuster.wolfg...@googlemail.com writes: Am 12.03.2009 um 15:06 schrieb John Devereux: Michael Bynum mdby...@gmail.com writes: This has burned me too. It would be nice if the errors were more prominent, perhaps

Re: [NTG-context] die if a module is missing

2009-03-13 Thread Hans Hagen
John Devereux wrote: I really don't want to create work if you think it is not worthwhile. But - as a non-texpert - I do think it is a problem. It is compounded by: - Many command options are not documented, so one experiments a lot so .. help us with that -) - Excess whitespace not only

Re: [NTG-context] How to use my own BibTeX style (bst)?

2009-03-13 Thread Wei-Wei Guo
Taco Hoekwater 写道: In mkiv (and xetex also, I assume), that just works, assuming you have a working typescript for the combination of scripts. Example attached (the example uses AdobeMingStd-Light) You might misunderstand. I was providing an example to you in my previous email, not asking

Re: [NTG-context] die if a module is missing

2009-03-13 Thread Mojca Miklavec
On Thu, Mar 12, 2009 at 11:13, Jesse Alama wrote: I was recently debugging some presentation that I was working on in ConTeXt and found, to my surprise, that the problem was that I was using  \usemodule[blah-blah] but there was no such module called blah-blah.  The output does indeed say

Re: [NTG-context] ConTeXt T-shirts?

2009-03-13 Thread Mojca Miklavec
On Wed, Mar 11, 2009 at 18:48, Xan wrote: En/na Mojca Miklavec ha escrit: No, but I have a pile of please-send-me-asap I LOVE ConTeXt T-shirts from the last conference (sorry, I keep sending them for at least a decade already) and there are still some spare ones. If you want one, let me

Re: [NTG-context] die if a module is missing

2009-03-13 Thread John Devereux
Hans Hagen pra...@wxs.nl writes: John Devereux wrote: I really don't want to create work if you think it is not worthwhile. But - as a non-texpert - I do think it is a problem. It is compounded by: - Many command options are not documented, so one experiments a lot so .. help us with

Re: [NTG-context] New beta

2009-03-13 Thread Thomas A. Schmitz
On Mar 12, 2009, at 2:20 AM, Jesse Alama wrote: Why not local command = string.format(luatex --fmt=%s --lua=%s %s, string.quote(formatfile), string.quote(scriptfile), string.quote(filename)) Good catch! Looks like this fixed it for me! ok, fixed I just re-ran first-setup.sh

Re: [NTG-context] Thanks. Two new questions: rotate and scale

2009-03-13 Thread Albrecht Kauffmann
only to (1): try draw (((0,0) -- dir(0)*u -- dir(60)*u --cycle) rotated 60); greetings, Albrecht On Thu, 12 Mar 2009, Curious Learn wrote: Aditya and Hans, Thanks very much for your replies. I suppose I should install minimals afterall. Still using the TexLive version. I have two new

[NTG-context] epstopdf oddity?

2009-03-13 Thread Marko Schütz
Dear All, I have some small diagrams I created with MetaPost in 2005. Just recently I wanted to re-run the build of the PDF. It produced a PDF but the typography looks awful. so I compared (diff) with the previous intermediate files and found that the EPS files produced by the mpost run are

Re: [NTG-context] epstopdf oddity?

2009-03-13 Thread luigi scarso
On Fri, Mar 13, 2009 at 12:57 PM, Marko Schütz markoschu...@web.de wrote: Dear All, I have some small diagrams I created with MetaPost in 2005. Just recently I wanted to re-run the build of the PDF. It produced a PDF but the typography looks awful. so I compared (diff) with the previous

Re: [NTG-context] Thanks. Two new questions: rotate and scale

2009-03-13 Thread Taco Hoekwater
(2) Is there a command to scale the whole picture...not the components? Parse error. In my view, the whole picture *is* the components. Best wishes, Taco ___ If your question is of interest to others as well,

Re: [NTG-context] Thanks. Two new questions: rotate and scale

2009-03-13 Thread Curious Learn
Albrecht Kauffmann alkauffm at rz.uni-potsdam.de writes: only to (1): try draw (((0,0) -- dir(0)*u -- dir(60)*u --cycle) rotated 60); Thanks Albrecht. That worked great. ___ If your question is of interest to

Re: [NTG-context] Incorrect bookmark title of \completelistofabbreviations and no abbreviations are listed

2009-03-13 Thread Nikolai Weibull
On Tue, Mar 10, 2009 at 13:44, Nikolai Weibull n...@bitwi.se wrote:  In neither --lua nor --xtx do I get a list of abbreviations with \completelistofabbreviations.  The bookmark text is \headtext {abbreviations} for both. Can I at least get an acknowledgement that this is a problem with LuaTeX

Re: [NTG-context] ConTeXt T-shirts?

2009-03-13 Thread Xan
En/na Wolfgang Schuster ha escrit: \startMPenvironment[global] \usetypescript[postscript][ec] \setupbodyfont[postscript,ss,144pt]\bf \stopMPenvironment Wolfgang Without \bf at the end, I get letters more bold. Is it not the contrary of natural behaviour? 8-| Thanks, Xan. % logo.mp:

Re: [NTG-context] Incorrect bookmark title of \completelistofabbreviations and no abbreviations are listed

2009-03-13 Thread luigi scarso
On Tue, Mar 10, 2009 at 1:44 PM, Nikolai Weibull n...@bitwi.se wrote: Hi! Long time no post.  Anyway, I’m writing a document where I’m using abbreviations.  In neither --lua nor --xtx do I get a list of abbreviations with \completelistofabbreviations.  The bookmark text is \headtext

Re: [NTG-context] ConTeXt T-shirts?

2009-03-13 Thread Wolfgang Schuster
Am 13.03.2009 um 14:18 schrieb Xan: En/na Wolfgang Schuster ha escrit: \startMPenvironment[global] \usetypescript[postscript][ec] \setupbodyfont[postscript,ss,144pt]\bf \stopMPenvironment Without \bf at the end, I get letters more bold. Is it not the contrary of natural behaviour? 8-|

Re: [NTG-context] ConTeXt T-shirts?

2009-03-13 Thread Xan
En/na Hans Hagen ha escrit: Xan wrote: En/na Taco Hoekwater ha escrit: For Xan: Wolfgang Schuster wrote: % You are free to use this code any way you can ^ license So public domain. But % Copyright 2008 Taco Hoekwater so, it's

[NTG-context] Cow fonts (was: ConTeXt T-shirts?)

2009-03-13 Thread Wolfgang Schuster
Am 13.03.2009 um 14:30 schrieb Xan: For the other hand, the code suggest by Taco: \usesymbols[cow] \symbol[CowConTeXt] % IIRC does not work for me (I get CowConTeXt in pdf file). What fails? \usesymbols[cow] \starttext \symbol[cownormal][CowConTeXt] \stoptext or \usesymbols[cow]

Re: [NTG-context] Thanks. Two new questions: rotate and scale

2009-03-13 Thread Curious Learn
Taco Hoekwater taco at elvenkind.com writes: (2) Is there a command to scale the whole picture...not the components? Parse error. In my view, the whole picture *is* the components. Best wishes, Taco Hi Taco, Sorry for the typo and for not being clear. I meant the following. I know

Re: [NTG-context] Thanks. Two new questions: rotate and scale

2009-03-13 Thread Mikael Persson
On Fri, Mar 13, 2009 at 2:39 PM, Curious Learn curiousle...@gmail.com wrote: Taco Hoekwater taco at elvenkind.com writes: (2) Is there a command to scale the whole picture...not the components? Parse error. In my view, the whole picture *is* the components. Best wishes, Taco Hi Taco,

Re: [NTG-context] Thanks. Two new questions: rotate and scale

2009-03-13 Thread Taco Hoekwater
Curious Learn wrote: Taco Hoekwater taco at elvenkind.com writes: (2) Is there a command to scale the whole picture...not the components? Parse error. In my view, the whole picture *is* the components. Best wishes, Taco Hi Taco, Sorry for the typo and for not being clear. I meant

Re: [NTG-context] paragraph question (the return :O)

2009-03-13 Thread Alan Stone
Why this error (source: see attachment) ? chapter: 1 Chapter 1 ! Extra \fi. argument \fi One line. \doCountLines ...arlines \space L)\fi \endgroup #1 \par l.35 Thanks, Alan On Tue, Mar 10, 2009 at 6:32 PM, Wolfgang

Re: [NTG-context] New beta

2009-03-13 Thread Thomas A. Schmitz
On Mar 13, 2009, at 12:00 PM, Thomas A. Schmitz wrote: I don't know what's going wrong, but I also get the problem again. It worked the other day, but today, even with the fixed mtx- metatex.lua, I get the error again. Hans? Thomas Hi Hans, in latest:

Re: [NTG-context] New beta

2009-03-13 Thread Hans Hagen
Thomas A. Schmitz wrote: On Mar 13, 2009, at 12:00 PM, Thomas A. Schmitz wrote: I don't know what's going wrong, but I also get the problem again. It worked the other day, but today, even with the fixed mtx-metatex.lua, I get the error again. Hans? Thomas Hi Hans, in latest:

Re: [NTG-context] paragraph question (the return :O)

2009-03-13 Thread Wolfgang Schuster
Am 13.03.2009 um 15:22 schrieb Alan Stone: Why this error (source: see attachment) ? \ifnum\parnumber=1 \expandafter\expandafter\expandafter\doCountLines \fi Wolfgang ___ If your question is of interest to

Re: [NTG-context] Thanks. Two new questions: rotate and scale

2009-03-13 Thread Curious Learn
Taco Hoekwater taco at elvenkind.com writes: You want this, I think: beginfig(1); ... do stuff ... currentpicture := currentpicture scaled X; endfig; Awesome!! This is exactly what I was looking for. Thanks Taco and Mikael.

Re: [NTG-context] New beta

2009-03-13 Thread Thomas A. Schmitz
On Mar 13, 2009, at 3:37 PM, Hans Hagen wrote: ah .. new luatex needed, i'll make a tem pworkaround Hmm, OK, I took today's trunk and now can generate the formats, but still no joy: MtxRun | loading configuration for /Users/tas/context/tex/texmf/web2c from

[NTG-context] Installing custom fonts?

2009-03-13 Thread Pierre Huyghebaert
Hello List, I'm also part of the design group Open Source Publishing (like Femke who ask about same entry to multiple registers a month ago). Our book is building, and it's now time to add our own custom open fonts. Quite new in the TeX field, and having traveled a bit through LaTex and Xetex, I

Re: [NTG-context] New beta

2009-03-13 Thread Hans Hagen
Hi Thomas, in latest: since you're in 'latest mode' ... here is an experimental feature that you can test in the mkiv version of your modules \starttext \startbuffer \getcheckedparameters[MyTest][MyNamespace][a=1,b=2,c=3,d=4,crap=whatever] \MyNamespacea\quad \MyNamespaceb\quad

Re: [NTG-context] New beta

2009-03-13 Thread Hans Hagen
Thomas A. Schmitz wrote: On Mar 13, 2009, at 3:37 PM, Hans Hagen wrote: ah .. new luatex needed, i'll make a tem pworkaround Hmm, OK, I took today's trunk and now can generate the formats, but still no joy: MtxRun | loading configuration for /Users/tas/context/tex/texmf/web2c from

Re: [NTG-context] New beta

2009-03-13 Thread Thomas A. Schmitz
On Mar 13, 2009, at 3:58 PM, Hans Hagen wrote: hard to trace that one ... can you oatch that function to function input.report(fmt,...) -- for scripts too print(fmt,...) if input_locate or input.verbose then logs.report(input.banner or report,format(fmt,...)) end end and see

Re: [NTG-context] Installing custom fonts?

2009-03-13 Thread Mojca Miklavec
On Fri, Mar 13, 2009 at 15:51, Pierre Huyghebaert wrote: Hello List, I'm using texexec or texexec --xtx to compile my files (without problems) on Ubuntu Gutsy. I'm also able to use the font in other software, Inkscape by example. But when I add this code :

Re: [NTG-context] New beta

2009-03-13 Thread Thomas A. Schmitz
On Mar 13, 2009, at 3:56 PM, Hans Hagen wrote: since you're in 'latest mode' ... here is an experimental feature that you can test in the mkiv version of your modules I'm always in latest mode, I'm a classicist :-) But just so I can plan ahead (as soon as I have a working mkiv again): in

Re: [NTG-context] Installing custom fonts?

2009-03-13 Thread Wolfgang Schuster
Am 13.03.2009 um 15:51 schrieb Pierre Huyghebaert: Hello List, I'm also part of the design group Open Source Publishing (like Femke who ask about same entry to multiple registers a month ago). Our book is building, and it's now time to add our own custom open fonts. Quite new in the TeX

Re: [NTG-context] New beta

2009-03-13 Thread Hans Hagen
Thomas A. Schmitz wrote: arranging. What is easier, i.e. for what should I pester you more: fixing texexec or adding that functionality to context? the second Hans - Hans Hagen |

Re: [NTG-context] New beta

2009-03-13 Thread Hans Hagen
Thomas A. Schmitz wrote: error, no format found with name: %snil /Users/tas/context/tex/texmf-osx-intel/bin/mtxrun:8439: bad argument #2 to 'format' (string expected, got nil) ok, thanks, will fix it -

Re: [NTG-context] problem with two columns on a page

2009-03-13 Thread Hans Hagen
Jelle Huisman wrote: Hi, I'm typesetting a dictionary using \startcolumns[n=2,balance=yes] to get balanced columns. I have 26 balanced columns with simple headers in between and a lot of situations with two columns on one page. (see example). As long as the number of lines of the first

Re: [NTG-context] New beta

2009-03-13 Thread Wolfgang Schuster
On Fri, Mar 13, 2009 at 3:56 PM, Hans Hagen pra...@wxs.nl wrote: \getcheckedparameters[MyTest][MyNamespace][a=1,b=2,c=3,d=4,crap=whatever] How should we deal with the different \getparameters in our macros. I played with your code and have for the moment the following setup command in my

Re: [NTG-context] Installing custom fonts?

2009-03-13 Thread Pierre Huyghebaert
Am 13.03.2009 um 15:51 schrieb Pierre Huyghebaert: Hello List, I'm also part of the design group Open Source Publishing (like Femke who ask about same entry to multiple registers a month ago). Our book is building, and it's now time to add our own custom open fonts. Quite new in the TeX

Re: [NTG-context] Installing custom fonts?

2009-03-13 Thread Wolfgang Schuster
Am 13.03.2009 um 17:42 schrieb Pierre Huyghebaert: Thanks for these superquick answers! What a lively list! @Wolfgang : You remember me that and it's helpful in many cases. But my font sit in the list... Any other idea? ... DejaVu Sans Mono:style=Bold Oblique Liberation Serif:style=Bold

Re: [NTG-context] New beta

2009-03-13 Thread Hans Hagen
Wolfgang Schuster wrote: On Fri, Mar 13, 2009 at 3:56 PM, Hans Hagen pra...@wxs.nl wrote: \getcheckedparameters[MyTest][MyNamespace][a=1,b=2,c=3,d=4,crap=whatever] How should we deal with the different \getparameters in our macros. I played with your code and have for the moment the

Re: [NTG-context] New beta

2009-03-13 Thread Wolfgang Schuster
On Fri, Mar 13, 2009 at 5:54 PM, Hans Hagen pra...@wxs.nl wrote: Wolfgang Schuster wrote: On Fri, Mar 13, 2009 at 3:56 PM, Hans Hagen pra...@wxs.nl wrote: \getcheckedparameters[MyTest][MyNamespace][a=1,b=2,c=3,d=4,crap=whatever] How should we deal with the different \getparameters in our

Re: [NTG-context] problem with two columns on a page

2009-03-13 Thread Jelle Huisman
Hans Hagen wrote: the problem is that the paragraph is larger than two columns and that's tricky to handle without too much messing around (i'll redo the balancer in mkiv once i've arrived at it; i see where the catch takes place but i'd rather not touch the mkii code now) so, what you can

Re: [NTG-context] How to use my own BibTeX style (bst)?

2009-03-13 Thread Taco Hoekwater
Wei-Wei Guo wrote: Compare those two results: - Chinese citation uses '等' instead of 'et al'. - Chinese bibliography uses '和' instead of 'and'. Of course, the comparison is not complete. My question: Since I can write 'bibl-my-en.tex' for English entries and 'bibl-my-zh.tex' for Chinese

[NTG-context] betas

2009-03-13 Thread Hans Hagen
hi, as fas as i can testm the current beta installs ok on vista, xp, osx and linux (which is not to say that nothing is broken in the macros themselves) Hans - Hans Hagen | PRAGMA ADE

Re: [NTG-context] Installing custom fonts?

2009-03-13 Thread Pierre Huyghebaert
Am 13.03.2009 um 17:42 schrieb Pierre Huyghebaert: Thanks for these superquick answers! What a lively list! @Wolfgang : You remember me that and it's helpful in many cases. But my font sit in the list... Any other idea? ... DejaVu Sans Mono:style=Bold Oblique Liberation Serif:style=Bold

Re: [NTG-context] Installing custom fonts?

2009-03-13 Thread Idris Samawi Hamid ادريس سماوي ح امد
Hi Pierre, On Fri, 13 Mar 2009 08:51:31 -0600, Pierre Huyghebaert pie...@speculoos.com wrote: Quite new in the TeX field, and having traveled a bit through LaTex and Xetex, I couln't figure how to make it work. Given Mojca's comments, have you considered luatex/mkiv instead of xetex?

Re: [NTG-context] betas

2009-03-13 Thread luigi scarso
On Fri, Mar 13, 2009 at 6:34 PM, Hans Hagen pra...@wxs.nl wrote: hi, as fas as i can testm the current beta installs ok on vista, xp, osx and linux (which is not to say that nothing is broken in the macros themselves) ok here too This is LuaTeX, Version snapshot-0.35.0 ConTeXt ver:

Re: [NTG-context] betas

2009-03-13 Thread Thomas A. Schmitz
On Mar 13, 2009, at 6:54 PM, luigi scarso wrote: ok here too This is LuaTeX, Version snapshot-0.35.0 ConTeXt ver: 2009.03.13 17:35 MKIV fmt: 2009.3.13 int: english/ english OK here too, on OS X! (I'll check linux later) Thomas

Re: [NTG-context] Installing custom fonts?

2009-03-13 Thread Wolfgang Schuster
Am 13.03.2009 um 18:42 schrieb Pierre Huyghebaert: So for most of us, the two solutions seem to work. (Apart of the family concept problem, is there advantages/disadvantages to use one solution or another?) The \font method let you use your font only in the style and size you set with the

Re: [NTG-context] New beta

2009-03-13 Thread Hans Hagen
Wolfgang Schuster wrote: That's what to to my mind too but I need this also in my module because I need backbard compatibility for TeXLive (older MkIV and MkII), I have now: \ifx\enablecheckparameters\undefined \let\setvalidparameterkeys\gobbleparameters

Re: [NTG-context] problem with two columns on a page

2009-03-13 Thread Hans Hagen
Jelle Huisman wrote: Hans Hagen wrote: the problem is that the paragraph is larger than two columns and that's tricky to handle without too much messing around (i'll redo the balancer in mkiv once i've arrived at it; i see where the catch takes place but i'd rather not touch the mkii code

Re: [NTG-context] problem with two columns on a page

2009-03-13 Thread Jelle Huisman
Hans Hagen wrote: Jelle Huisman wrote: Hans Hagen wrote: the problem is that the paragraph is larger than two columns and that's tricky to handle without too much messing around (i'll redo the balancer in mkiv once i've arrived at it; i see where the catch takes place but i'd rather not

Re: [NTG-context] problem with two columns on a page

2009-03-13 Thread Hans Hagen
Jelle Huisman wrote: Hans Hagen wrote: Jelle Huisman wrote: Hans Hagen wrote: the problem is that the paragraph is larger than two columns and that's tricky to handle without too much messing around (i'll redo the balancer in mkiv once i've arrived at it; i see where the catch takes place

Re: [NTG-context] problem with two columns on a page

2009-03-13 Thread Marcin Borkowski
Hans, I've read in this thread that you're going to work on columns some day. Could you pay some attention to multicolumn itemizations? Currently they *must* be [packed], which is a serious restriction for me (I can put some struts, but it's not very comfortable nor elegant...) Regards --

Re: [NTG-context] problem with two columns on a page

2009-03-13 Thread Jelle Huisman
Hans Hagen wrote: \starttext \showgrid \startalignment[center] AA \stopalignment\blank \startcolumns[n=2,balance=yes] %\dorecurse{40}{a a a a a a a a a a a a a a a a a a a a a } % this works \dorecurse{42}{a a a a a a a a a a a a a a a a a a a a a } % this pushes columns (BB) to the next

Re: [NTG-context] Installing custom fonts?

2009-03-13 Thread Mojca Miklavec
On Fri, Mar 13, 2009 at 17:47, Wolfgang Schuster wrote: Am 13.03.2009 um 17:42 schrieb Pierre Huyghebaert: Oh yes, I've forgot the version... I've install ConTeXt two months ago, not sure how to check the version of it : ctxtools --version CtxTools | version 1.3.3 - 2004/2006 - PRAGMA

Re: [NTG-context] Simplified input for natural tables

2009-03-13 Thread Mohamed Bana
looks nice. Aditya Mahajan wrote: On Thu, 12 Mar 2009, Vyatcheslav Yatskovsky wrote: In the same way as Hans wrote them in his exmple. Cool, but will it be included in context source? Or it is too early? I think that such solutions are too fragile. A robust way will be to use a complete

Re: [NTG-context] betas

2009-03-13 Thread Yanrui Li
2009/3/14 Thomas A. Schmitz thomas.schm...@uni-bonn.de: On Mar 13, 2009, at 6:54 PM, luigi scarso wrote: ok here too This is LuaTeX, Version snapshot-0.35.0 ConTeXt  ver: 2009.03.13 17:35 MKIV  fmt: 2009.3.13  int: english/english OK here too, on OS X! (I'll check linux later) :) Linux

[NTG-context] Let's Polish the math!

2009-03-13 Thread Marcin Borkowski
Hi, how to do this: here in Poland we have some conventions as for typesetting math; for example, we don't use \leq, but \leqslant; we don't write tan for tangent, but tg; we don't write arcsin, but arc\,sin; etc. Would it be possible to have such typographic conventions (I could provide a more

Re: [NTG-context] How to use my own BibTeX style (bst)?

2009-03-13 Thread Wei-Wei Guo
Thank you very much! Best wishes, Wei-Wei Taco Hoekwater 写道: The long answer: although you cannot make it depend on the language of the citation, you can make it change depending on an explicit language switch. This takes a bit of work, but it is better than nothing, I guess. Here is how: *

[NTG-context] What does \c! means?

2009-03-13 Thread Wei-Wei Guo
Dear all, I'm reading the source file of t-bib. I find there are lots of '\c!', '\s!', and '\v!'. What do they mean? I searched in wiki, TeXBook, ConTeXt manual, TeX impatient, and mail list. Those commands appear some times, but no explanation. Another question is related the following codes