Re: [NTG-context] Left-justifying the date in the letter module

2013-07-31 Thread Wolfgang Schuster

Am 31.07.2013 um 03:32 schrieb Michael Ash m...@econs.umass.edu:

 
 I am still having a problem with left-justifying the date in letters.  The 
 date is towards the left but is aligned several mm to the right of the other 
 text.

This is fixed, there module produced a unwanted space at the begin of the 
reference line which is now gone.

 BTW are the values for the alternative key (example, e, c, etc.) 
 documented somewhere?

You can look at the predefined arguments in the old manual which is available 
online: https://bitbucket.org/wolfs/correspondence/downloads.

Wolfgang

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Re: [NTG-context] Math accents set too close to capital

2013-07-31 Thread Hans Hagen

On 7/31/2013 12:04 AM, Michael Murphy wrote:

Hello all,

I'm trying to typeset 'H' with a circumflex (or hat) in math mode, but
the result is rather ugly when not using latin-modern. I've tried to
redefine the \hat macro to move the accent up a bit using \topaccent: is
this the best approach? Having to nest '$' does not seem right at all.
(Also, for some reason although I find \mathhat in enco-ini.mkiv, when I
try to use it I get undefined control sequence.)

Thanks,
Michael

\starttypescript [mathfont]
   \definetypeface [mathfont] [mm] [math]  [palatino]  [default]
[rscale=1.0]
\stoptypescript
\usetypescript[mathfont]
\setupbodyfont[mathfont]

\starttext

$\hat{H}$

\def\hat#1{\topaccent{3pt}{0}{90}{\textcircumflex}{$#1$}}

$\hat{H}$

\stoptext


$\widehat{H}$

-
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 | www.pragma-pod.nl
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Re: [NTG-context] Math accents set too close to capital

2013-07-31 Thread Michael Murphy
Hi Hans,

Thanks for the response. This is sort of what I wanted, except the \widehat is, 
well, quite wide. So I hacked it around a bit to put the \widehat from a 
capital 'I' on top of a capital 'H'. In case it happens to be helpful, the 
final macro was

\def\hhat{H\kern-0.61em\widehat{\phantom{I}}\kern0.178em}

If I really cared, I wouldn't hard-code those numbers, but since they are in em 
I'm not really too worried. 

-- 
Michael Murphy
murphy...@gmail.com


On Wednesday, 31 July 2013 at 08:48, Hans Hagen wrote:

 On 7/31/2013 12:04 AM, Michael Murphy wrote:
  Hello all,
  
  I'm trying to typeset 'H' with a circumflex (or hat) in math mode, but
  the result is rather ugly when not using latin-modern. I've tried to
  redefine the \hat macro to move the accent up a bit using \topaccent: is
  this the best approach? Having to nest '$' does not seem right at all.
  (Also, for some reason although I find \mathhat in enco-ini.mkiv, when I
  try to use it I get undefined control sequence.)
  
  Thanks,
  Michael
  
  \starttypescript [mathfont]
  \definetypeface [mathfont] [mm] [math] [palatino] [default]
  [rscale=1.0]
  \stoptypescript
  \usetypescript[mathfont]
  \setupbodyfont[mathfont]
  
  \starttext
  
  $\hat{H}$
  
  \def\hat#1{\topaccent{3pt}{0}{90}{\textcircumflex}{$#1$}}
  
  $\hat{H}$
  
  \stoptext
 
 $\widehat{H}$
 
 -
 Hans Hagen | PRAGMA ADE
 Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
 tel: 038 477 53 69 | voip: 087 875 68 74 | www.pragma-ade.com 
 (http://www.pragma-ade.com)
 | www.pragma-pod.nl (http://www.pragma-pod.nl)
 -
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Re: [NTG-context] Math fallback

2013-07-31 Thread Wolfgang Schuster

Am 30.07.2013 um 18:55 schrieb Aditya Mahajan adit...@umich.edu:

 Is it possible to use the fallback mechanism for math fonts? For example, I 
 am using Neo Euler for math which has a few missing glyphs. Can I use Cambria 
 (or Xits) as a fallback font for missing glyphs.
 
 I am using the simplefonts module, but I am happy to write a typescript file 
 if that makes things easier. I do not really want to define a new virtual 
 font.

The simplefonts module is written on top of the typescript mechanism and there 
is nothing available at this level which can be used by the module. When you 
use the \setmathfont command simplefonts loads only one of the predefined 
typescripts.

Wolfgang
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[NTG-context] Updating modules with a ppa:reviczky/context-daily installation

2013-07-31 Thread Michael Ash
I have a question about how to update context modules.

In earlier correspondence
Question:  I am still having a problem with...[the letter module]
Answer:  This is now fixed...

I use a context installation managed by ubuntu/apt-get from the Personal
Package Archive *ppa:reviczky/context-daily* (
https://launchpad.net/~reviczky/+archive/context-daily). The current
version is:
ConTeXt  ver: 2013.07.24 14:11 MKIV beta  fmt: 2013.7.31  int:
english/english

How is it possible to (1) tell which version of a module is installed? (2)
update a module to the latest version?

Because I use the PPA version, I have not used first-setup.sh.  I have only
a limited understanding of where the context supporting material is
maintained.

Thank you very much for your guidance.

Best,
Michael

PS Thank you very much for the guidance on the correspondence documentation
and the reference line alternatives in the letter module
 BTW are the values for the alternative key (example, e, c, etc.)
documented somewhere?
You can look at the predefined arguments in the old manual which is
available online: https://bitbucket.org/wolfs/correspondence/downloads.
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Re: [NTG-context] Inserting verbatim text in a figure and framed.

2013-07-31 Thread john Culleton
On Tue, 30 Jul 2013 23:03:32 +0200
Wolfgang Schuster schuster.wolfg...@gmail.com wrote:

 
 Am 30.07.2013 um 21:30 schrieb Peter Münster pmli...@free.fr:
 
  On Tue, Jul 30 2013, john Culleton wrote:
  
  Here is my code so far. I want to show a file in verbatim form. It
  compiles but here is no frame around the text and there is no
  caption.
  
  Hi,
  
  this works here:
  
  --8---cut here---start-8---
  \starttext
  \startbuffer[ex1]
  \typefile[]{test.tex}
  \stopbuffer
  \placefigure[here][fig:ex1]
  {Example 1}
  {\framed{\externalfigure[ex1.buffer][width=.75\textwidth]}}
  \stoptext
  --8---cut here---end---8---
 
 Why do you use a buffer?
 
 \starttext
 \startplacefigure[reference=fig:ex1,title=Example 1]
   \framed[align=flushleft,width=.75\textwidth]{\typefile{test.tex}}
 \stopplacefigure
 \stoptext
 
 Wolfgang
 
Possibly Peter used it because I used it. I used it because the
example I followed in The Manual used a buffer. As it happens his
example works better. My example1.tex is knuth.tex with two minor
modifications. His version with the buffer reduces the size of
the Knuth text to fit the frame. Your version wraps the text instead on
each line. For my purposes the facsimile representation is better.
 

However thanks to both for adding to my education. Unfortunately I
forget things as fast as I learn them these days. It is not
Alzheimer's disease but just plain oldtimers disease.  

John Culleton
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[NTG-context] matching font sizes with fallback fonts

2013-07-31 Thread Pablo Rodríguez
Dear list,

I’m trying to match the fallback font size with the lowercase size of
the main font, as shown in this sample:

\usemodule[simplefonts][size=90pt]
\setmainfontfallback[GFS Neohellenic]
  [range={greekandcoptic,greekextended}, force=yes, rscale=auto]
\setmainfont[TeX Gyre Pagella]
\starttext
aα γg AΑ ΒB
\stoptext

But rscale=auto doesn’t seem to work (if this is the right option).

What am I doing wrong here?

Many thanks for your help,


Pablo   
-- 
http://www.ousia.tk
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Re: [NTG-context] Math fallback

2013-07-31 Thread John Kitzmiller

On Jul 31, 2013, at 12:15 PM, ntg-context-requ...@ntg.nl wrote:

 
 Am 30.07.2013 um 18:55 schrieb Aditya Mahajan adit...@umich.edu:
 
 Is it possible to use the fallback mechanism for math fonts? For example, I 
 am using Neo Euler for math which has a few missing glyphs. Can I use 
 Cambria (or Xits) as a fallback font for missing glyphs.
 
 I am using the simplefonts module, but I am happy to write a typescript file 
 if that makes things easier. I do not really want to define a new virtual 
 font.
 
 The simplefonts module is written on top of the typescript mechanism and 
 there is nothing available at this level which can be used by the module. 
 When you use the \setmathfont command simplefonts loads only one of the 
 predefined typescripts.
 
 Wolfgang

I too would like to use Neo Euler for math but need some of the missing 
glyphs/symbols, like \angle and \triangle. What would the typescript look like 
to provide fallback to font for the symbols?

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[NTG-context] wrong \setupinteraction[focus=standard]?

2013-07-31 Thread Pablo Rodríguez
Dear list,

I’m trying to get internal links to footnotes without having the focus
changed.

I try this minimal sample:

\setupinteraction[state=start,focus=standard]
\starttext
Body text\footnote{Footnote.}.
\stoptext

But I cannot get it working (it should work, according to the wiki).

Is this a bug?

Many thanks for your help,


Pablo
-- 
http://www.ousia.tk
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Re: [NTG-context] Math accents set too close to capital

2013-07-31 Thread Sietse Brouwer
Tangential to your issue, but nota bene: instead of $...$ for inline
math, ConTeXt lets you use \math{...} or \m{...}. Which is a bit more
explicit, and can be easier to debug. You might prefer it.

For display math, you really should use \startformula...\stopformula
if you aren’t using it already, because $$...$$ doesn't space
correctly. (Says the wiki. I don’t know it’s still true.)

Cheers,
Sietse


On 31 July 2013 12:26, Michael Murphy murphy...@gmail.com wrote:
 Hi Hans,

 Thanks for the response. This is sort of what I wanted, except the \widehat
 is, well, quite wide. So I hacked it around a bit to put the \widehat from a
 capital 'I' on top of a capital 'H'. In case it happens to be helpful, the
 final macro was

 \def\hhat{H\kern-0.61em\widehat{\phantom{I}}\kern0.178em}

 If I really cared, I wouldn't hard-code those numbers, but since they are in
 em I'm not really too worried.

 --
 Michael Murphy
 murphy...@gmail.com

 On Wednesday, 31 July 2013 at 08:48, Hans Hagen wrote:

 On 7/31/2013 12:04 AM, Michael Murphy wrote:

 Hello all,

 I'm trying to typeset 'H' with a circumflex (or hat) in math mode, but
 the result is rather ugly when not using latin-modern. I've tried to
 redefine the \hat macro to move the accent up a bit using \topaccent: is
 this the best approach? Having to nest '$' does not seem right at all.
 (Also, for some reason although I find \mathhat in enco-ini.mkiv, when I
 try to use it I get undefined control sequence.)

 Thanks,
 Michael

 \starttypescript [mathfont]
 \definetypeface [mathfont] [mm] [math] [palatino] [default]
 [rscale=1.0]
 \stoptypescript
 \usetypescript[mathfont]
 \setupbodyfont[mathfont]

 \starttext

 $\hat{H}$

 \def\hat#1{\topaccent{3pt}{0}{90}{\textcircumflex}{$#1$}}

 $\hat{H}$

 \stoptext


 $\widehat{H}$

 -
 Hans Hagen | PRAGMA ADE
 Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
 tel: 038 477 53 69 | voip: 087 875 68 74 | www.pragma-ade.com
 | www.pragma-pod.nl
 -
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Re: [NTG-context] wrong \setupinteraction[focus=standard]?

2013-07-31 Thread Marco Patzer
On 2013–07–31 Pablo Rodríguez wrote:

 I’m trying to get internal links to footnotes without having the focus
 changed.

 […]

 Is this a bug?

Yes, it's a known issue since quite a while. Hans confirmed it on
2013-03-28:

  This is a long term one ... I'm not going to mess with footnotes etc
  now. Technically it boils down to setting some attributes at the right
  spot.

Marco


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Re: [NTG-context] Math fallback

2013-07-31 Thread Hans Hagen

On 7/31/2013 6:53 PM, John Kitzmiller wrote:


On Jul 31, 2013, at 12:15 PM, ntg-context-requ...@ntg.nl
mailto:ntg-context-requ...@ntg.nl wrote:



Am 30.07.2013 um 18:55 schrieb Aditya Mahajan adit...@umich.edu
mailto:adit...@umich.edu:


Is it possible to use the fallback mechanism for math fonts? For
example, I am using Neo Euler for math which has a few missing
glyphs. Can I use Cambria (or Xits) as a fallback font for missing
glyphs.

I am using the simplefonts module, but I am happy to write a
typescript file if that makes things easier. I do not really want to
define a new virtual font.


The simplefonts module is written on top of the typescript mechanism
and there is nothing available at this level which can be used by the
module. When you use the \setmathfont command simplefonts loads only
one of the predefined typescripts.

Wolfgang


I too would like to use Neo Euler for math but need some of the missing
glyphs/symbols, like \angle and \triangle. What would the typescript
look like to provide fallback to font for the symbols?


complex as original euler already misses many shapes and neo euler is 
work in progress


Hans

-
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  Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
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 | www.pragma-pod.nl
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Re: [NTG-context] matching font sizes with fallback fonts

2013-07-31 Thread Wolfgang Schuster

Am 31.07.2013 um 18:16 schrieb Pablo Rodríguez oi...@web.de:

 Dear list,
 
 I’m trying to match the fallback font size with the lowercase size of
 the main font, as shown in this sample:
 
\usemodule[simplefonts][size=90pt]
\setmainfontfallback[GFS Neohellenic]
  [range={greekandcoptic,greekextended}, force=yes, rscale=auto]
\setmainfont[TeX Gyre Pagella]
\starttext
aα γg AΑ ΒB
\stoptext
 
 But rscale=auto doesn’t seem to work (if this is the right option).
 
 What am I doing wrong here?

1. The simplefonts module uses “scale” as key and not “rscale”.

2. You can also use a number as argument for the scale key, keywords like auto 
are not possible.

Wolfgang
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Re: [NTG-context] xmlfilter in lua

2013-07-31 Thread Thomas A. Schmitz
Gentlemen and noble ladies,

may I rerun this question? It was posted on Sunday and may have escaped
those of you who celebrated this day in some manner.

Thanks for your attention!

T

On 07/28/2013 02:07 PM, Thomas A. Schmitz wrote:
 Hi,
 
 hope this is comprehensible without a full example: I want to do some
 operations on my xml, and that's easier to do in Lua. However, I cannot
 find how to filter my results and pass them on to a command. In TeX, I
 would do this:
 
 \startxmlsetups xml:a
   \xmlfilter{#1}{/b/command(xml:command:b)}
 \stopxmlsetups
 
 \startxmlsetups xml:command:b
   \xmlconcat{#1}{/}\par
 \stopxmlsetups
 
 How would I do the same thing in Lua? Here's what I tried:
 
 function xml.functions.a(t)
   local b = lxml.filter(lxml.id(t), /b)
   process(b)
 end
 
 function process(t)
   xml.cprint(t)
 end
 
 but that doesn't work yet, I get no results printed. So my question:
 what would be the right syntax in Lua? (And bonus points for: what is
 the equivalent of \xmlconcat ?)
 
 All best
 
 Thomas


-- 
Prof. Dr. Thomas A. Schmitz
Abteilung für Griechische und Lateinische Philologie
Universität Bonn
Am Hof 1e
53113 Bonn
http://www.philologie.uni-bonn.de/personal/schmitz
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[NTG-context] Path problems w/ MkIV on Arch Linux

2013-07-31 Thread Matt Gushee
Hello, Folks--

Once again I'm returning to ConTeXt after a long absence [maybe if I
just kept using it I wouldn't have these problems?]. I'm trying to get
started with MkIV; I don't feel a strong need to have the very latest
code, so unless there are serious bugs, I want to use the version
included with TexLive. At any rate, that's what I currently have and
am trying to use. But I am running into issues with files not being
found, e.g.:

$ context --make

mtxrun  | unknown script 'context.lua' or 'mtx-context.lua'

Yes, I ran mtxrun --generate first, though I am a bit confused as to
whether I need to run that *and* luatools --generate, or just one or
the other. Anyway, mtxrun --generate appears to work:

$ mtxrun --generate

resolvers   | resolving | found configuration file
'/usr/share/texmf-dist/web2c/texmfcnf.lua'

system  | lua | compiling
'/var/cache/texmf/luatex-cache/context/0399a8df3aef8d154781d0a9c2b8e28d/trees/5044cbe2799fe389b078f26ff6b9ee8e.lua'
into 
'/var/cache/texmf/luatex-cache/context/0399a8df3aef8d154781d0a9c2b8e28d/trees/5044cbe2799fe389b078f26ff6b9ee8e.luc'
system  | lua | dumping
'/var/cache/texmf/luatex-cache/context/0399a8df3aef8d154781d0a9c2b8e28d/trees/5044cbe2799fe389b078f26ff6b9ee8e.lua'
into 
'/var/cache/texmf/luatex-cache/context/0399a8df3aef8d154781d0a9c2b8e28d/trees/5044cbe2799fe389b078f26ff6b9ee8e.luc'
stripped
resolvers   | caching | 'files' compiled to
'/var/cache/texmf/luatex-cache/context/0399a8df3aef8d154781d0a9c2b8e28d/trees/5044cbe2799fe389b078f26ff6b9ee8e.luc'

This shows that mtxrun finds the correct configuration file--as far as
I know, /usr/share/texmf-dist/web2c/texmfcnf.lua is the only instance
of texmfcnf.lua on my system. And then it uses the value I have set in
texmfcnf.lua to cache its output:

  TEXMFCACHE  = /var/cache/texmf,

-- not used by context at all

TEXMFSYSVAR = $TEXMFCACHE,
TEXMFVAR= $TEXMFCACHE,

So that's good. Yet the 'context' and 'luatools' commands can't find
the lua scripts. Well, I hypothesized that $LUAINPUTS might be wrong,
so I tried this:

LUAINPUTS=/usr/share/texmf-dist/scripts/context/lua luatools --generate

And it seems to work. However:

LUAINPUTS=/usr/share/texmf-dist/scripts/context/lua context --make

resolvers   | resolving | using given filetype 'tex'
resolvers   | resolving | remembering file 'cont-en.mkiv'
resolvers   | resolving | using given filetype 'tex'
resolvers   | resolving | remembering file 'cont-en.tex'
resolvers   | formats | no tex source file with name 'cont-en' (mkiv or tex)
resolvers   | formats | using format path
'/var/cache/texmf/luatex-cache/context/0399a8df3aef8d154781d0a9c2b8e28d/formats/luatex'
resolvers   | resolving | using given filetype 'tex'
resolvers   | resolving | remembering file 'cont-nl.mkiv'
resolvers   | resolving | using given filetype 'tex'
resolvers   | resolving | remembering file 'cont-nl.tex'
resolvers   | formats | no tex source file with name 'cont-nl' (mkiv or tex)
system  | total runtime: 0.239

So now the lua scripts are found, but the context macro files are not.

At this point let me describe how my system is set up. As I said
above, I'm attempting to use the ConTeXt that comes with TexLive. I've
just upgraded TeXLive to the 2013 release, but that does not seem to
affect these issues. Anyway, the executables are in /usr/bin;
/usr/bin/mtxrun is the complete Lua script (i.e. not a symlink or any
sort of stub), which appears to be identical to
$TEXMF/scripts/context/stubs/unix/mtxrun. /usr/bin/luatools and
/usr/bin/context also appear to be copies of their counterparts in the
aforementioned stubs directory.

The TeXLive packages for Arch provide the following trees:

  /usr/share/texmf
  /usr/share/texmf-dist
  /usr/share/texmf-config

Almost everything important is now in /usr/share/texmf-dist, and there
are no ConTeXt-related files in /usr/share/texmf. Accordingly,
texmf.cnf contains the following definitions:

  TEXMFDIST = $TEXMFROOT/texmf-dist
  TEXMFMAIN = $TEXMFDIST
  TEXMFLOCAL = /usr/local/share/texmf;/usr/share/texmf

So I have updated texmfcnf.lua to contain the following:

  TEXMFDIST   = selfautoparent:texmf-dist,
  TEXMFMAIN   = $TEXMFDIST,
  TEXMFLOCAL = /usr{/local}/share/texmf,

I'm not sure if that syntax is correct, but the definition of
TEXMFLOCAL does not appear to affect the issues I'm concerned with
here. Also, I should mention that my main reason for defining
TEXMFLOCAL as I did (as well as TEXMFCACHE = /var/cache/texmf), is
that I feel rather strongly (in keeping with what I understand to be
'Linux best practices') that files which are not managed by the Linux
package manager should not be under /usr. But if by chance that is
causing problems I don't absolutely have to do it that way.

Anyway, somehow important files are not being found. Any suggestions?

--
Matt Gushee

[NTG-context] new beta luatex error

2013-07-31 Thread Marco Patzer
\starttext
foo
\stoptext

! LuaTeX error [string \directlua ]:1: attempt to call field 'resetprevdepth' 
(a nil value)
stack traceback:
[string \directlua ]:1: in main chunk.

Marco


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Re: [NTG-context] Inserting verbatim text in a figure and framed.

2013-07-31 Thread Wolfgang Schuster

Am 31.07.2013 um 16:42 schrieb john Culleton j...@wexfordpress.com:

 Possibly Peter used it because I used it. I used it because the
 example I followed in The Manual used a buffer. As it happens his
 example works better. My example1.tex is knuth.tex with two minor
 modifications. His version with the buffer reduces the size of
 the Knuth text to fit the frame. Your version wraps the text instead on
 each line. For my purposes the facsimile representation is better.

My solution reduces the available space for the text but when you load
the buffer with \externalfigure context scales the content to the given width.

You can get the same effect with the \scale command, another way is to
change the font size for the verbatim block with 
\typefile[bodyfont=small]{filename}
or \typefile[bodyfont=8pt]{filename}.

Wolfgang
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Re: [NTG-context] Math accents set too close to capital

2013-07-31 Thread Marco Patzer
On 2013–07–31 Sietse Brouwer wrote:

 Tangential to your issue, but nota bene: instead of $...$ for inline
 math, ConTeXt lets you use \math{...} or \m{...}.

Indeed. And when you use \asciimode, you have no other choice (and
that's a good thing):

  \asciimode
  \starttext
My #1 is $5

\math{a^2 + b^2}
  \stoptext

Marco


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[NTG-context] Something weird with white color

2013-07-31 Thread Bertrand Masson

Hello,
The following code does not work, the second white ConTeXt  is  black !!!

\setupbackgrounds[page][background=color,backgroundcolor=blue]
\starttext
{\rotate[rotation=90]{\definedfont[SansBold at 24pt]\white  \ConTeXt}}
{\definedfont[SansBold at 16pt] \white ConTeXt}
\stoptext

No problem if we replace white with red (or other color) in

\definedfont[SansBold at 16pt] \red ConTeXt

and no problem if we write

\white\rotate[rotation=90]{\definedfont[SansBold at 24pt]\ConTeXt}


I compile with TeXlive2013.

Why is the white color different ?

Thanks,

Bertrand
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Re: [NTG-context] Math fallback

2013-07-31 Thread Aditya Mahajan

On Wed, 31 Jul 2013, Hans Hagen wrote:


I too would like to use Neo Euler for math but need some of the missing
glyphs/symbols, like \angle and \triangle. What would the typescript
look like to provide fallback to font for the symbols?


complex as original euler already misses many shapes and neo euler is work in 
progress


That is the reason for my question if the font fallback mechanism can work 
for math fonts also (as it does for, e.g., using different fonts for 
arabic and english). That will be much easier than building a virtual 
font.


Aditya
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Re: [NTG-context] new beta luatex error

2013-07-31 Thread Hans Hagen

On 7/31/2013 10:56 PM, Marco Patzer wrote:

\starttext
foo
\stoptext

! LuaTeX error [string \directlua ]:1: attempt to call field 'resetprevdepth' 
(a nil value)
stack traceback:
[string \directlua ]:1: in main chunk.


not here ... maybe spac-ver.lua has not been updated at your end?


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Re: [NTG-context] Math fallback

2013-07-31 Thread Hans Hagen

On 7/31/2013 11:02 PM, Aditya Mahajan wrote:

On Wed, 31 Jul 2013, Hans Hagen wrote:


I too would like to use Neo Euler for math but need some of the missing
glyphs/symbols, like \angle and \triangle. What would the typescript
look like to provide fallback to font for the symbols?


complex as original euler already misses many shapes and neo euler is
work in progress


That is the reason for my question if the font fallback mechanism can
work for math fonts also (as it does for, e.g., using different fonts
for arabic and english). That will be much easier than building a
virtual font.


it's not that trivial as there are more dependencies and things like 
extensible characters and accents and 


(in fact, a virtual font has to be built, so it's then a wrapper around 
a similar vf builder as we already have; one option is to extend the 
current one with ranges)


Hans

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Re: [NTG-context] Path problems w/ MkIV on Arch Linux

2013-07-31 Thread Hans Hagen

On 7/31/2013 10:51 PM, Matt Gushee wrote:


Once again I'm returning to ConTeXt after a long absence [maybe if I
just kept using it I wouldn't have these problems?]. I'm trying to get
started with MkIV; I don't feel a strong need to have the very latest
code, so unless there are serious bugs, I want to use the version
included with TexLive. At any rate, that's what I currently have and
am trying to use. But I am running into issues with files not being
found, e.g.:


as a start you could try the distribution from the garden; at least it's 
a good way to figure out if there is something fishy with your system


there are fundamental differences between tl 2012 and tl 2013 .. did tl 
2012 work ok?



Yes, I ran mtxrun --generate first, though I am a bit confused as to
whether I need to run that *and* luatools --generate, or just one or
the other. Anyway, mtxrun --generate appears to work:


luatools is not needed; mtxrun --generate does the job (and once you 
have context installed normally this is done automatically as is format 
generation)


in the reported 'tree' files in the cache you can check if files like 
context.mkiv are present



This shows that mtxrun finds the correct configuration file--as far as
I know, /usr/share/texmf-dist/web2c/texmfcnf.lua is the only instance
of texmfcnf.lua on my system. And then it uses the value I have set in
texmfcnf.lua to cache its output:


depending on the version of texlive texmf or texmf-dist is used for files

you can run

mtxrun --variables
mtxrun --expansions

to see if there are weird settings (maybe from env vars)


   TEXMFCACHE  = /var/cache/texmf,

 -- not used by context at all

 TEXMFSYSVAR = $TEXMFCACHE,
 TEXMFVAR= $TEXMFCACHE,

So that's good. Yet the 'context' and 'luatools' commands can't find
the lua scripts. Well, I hypothesized that $LUAINPUTS might be wrong,
so I tried this:


messing with LUAINPUTS should not be needed


LUAINPUTS=/usr/share/texmf-dist/scripts/context/lua luatools --generate

And it seems to work. However:

LUAINPUTS=/usr/share/texmf-dist/scripts/context/lua context --make
.
resolvers   | resolving | using given filetype 'tex'
resolvers   | resolving | remembering file 'cont-en.mkiv'
resolvers   | resolving | using given filetype 'tex'
resolvers   | resolving | remembering file 'cont-en.tex'
resolvers   | formats | no tex source file with name 'cont-en' (mkiv or tex)
resolvers   | formats | using format path
'/var/cache/texmf/luatex-cache/context/0399a8df3aef8d154781d0a9c2b8e28d/formats/luatex'
resolvers   | resolving | using given filetype 'tex'
resolvers   | resolving | remembering file 'cont-nl.mkiv'
resolvers   | resolving | using given filetype 'tex'
resolvers   | resolving | remembering file 'cont-nl.tex'
resolvers   | formats | no tex source file with name 'cont-nl' (mkiv or tex)
system  | total runtime: 0.239


so no file database is present or the database has not all files


So now the lua scripts are found, but the context macro files are not.

At this point let me describe how my system is set up. As I said
above, I'm attempting to use the ConTeXt that comes with TexLive. I've
just upgraded TeXLive to the 2013 release, but that does not seem to
affect these issues. Anyway, the executables are in /usr/bin;
/usr/bin/mtxrun is the complete Lua script (i.e. not a symlink or any
sort of stub), which appears to be identical to
$TEXMF/scripts/context/stubs/unix/mtxrun. /usr/bin/luatools and
/usr/bin/context also appear to be copies of their counterparts in the
aforementioned stubs directory.


upgrading texlive means wiping out the old one .. maybe there are traces 
of older texlives? maybe in some local texmf tree in home?



The TeXLive packages for Arch provide the following trees:

   /usr/share/texmf
   /usr/share/texmf-dist
   /usr/share/texmf-config

Almost everything important is now in /usr/share/texmf-dist, and there
are no ConTeXt-related files in /usr/share/texmf. Accordingly,
texmf.cnf contains the following definitions:

   TEXMFDIST = $TEXMFROOT/texmf-dist
   TEXMFMAIN = $TEXMFDIST
   TEXMFLOCAL = /usr/local/share/texmf;/usr/share/texmf

So I have updated texmfcnf.lua to contain the following:

   TEXMFDIST   = selfautoparent:texmf-dist,
   TEXMFMAIN   = $TEXMFDIST,
   TEXMFLOCAL = /usr{/local}/share/texmf,


texmflocal is normally not used (afaik)

it could relate to the texmf/texmf-dist changes (although we made sure 
that we adapted the scripts etc to support that rather fundamental 
change in texlive 2013)



I'm not sure if that syntax is correct, but the definition of
TEXMFLOCAL does not appear to affect the issues I'm concerned with
here. Also, I should mention that my main reason for defining


indeed (in the garden distribution we also have trees like texmf-context 
for context, texmf-fonts for user fonts, texmf-project for project 
specific files, while texmf-local is 

Re: [NTG-context] Path problems w/ MkIV on Arch Linux

2013-07-31 Thread Marco Patzer
On 2013–07–31 Matt Gushee wrote:

 Once again I'm returning to ConTeXt after a long absence [maybe if I
 just kept using it I wouldn't have these problems?]. I'm trying to get
 started with MkIV; I don't feel a strong need to have the very latest
 code, so unless there are serious bugs, I want to use the version
 included with TexLive. At any rate, that's what I currently have and
 am trying to use. But I am running into issues with files not being
 found, e.g.:

ConTeXt works out-of-the-box with TeXLive 2013. You can try a clean
install from http://tug.org/texlive (into a separate directory) and
check if that works.

Marco


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Re: [NTG-context] new beta luatex error

2013-07-31 Thread Marco Patzer
On 2013–07–31 Hans Hagen wrote:

 On 7/31/2013 10:56 PM, Marco Patzer wrote:
 \starttext
 foo
 \stoptext
 
 ! LuaTeX error [string \directlua ]:1: attempt to call field 
 'resetprevdepth' (a nil value)
 stack traceback:
  [string \directlua ]:1: in main chunk.
 
 not here ... maybe spac-ver.lua has not been updated at your end?

No, it has not. spac-ver.mkiv:2099 calls resetprevdepth which is not
defined in spac-ver.lua. The file has not been updated in your zip
(so I assume it's not just me).

Marco


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Re: [NTG-context] new beta luatex error

2013-07-31 Thread Otared Kavian

On 31 juil. 2013, at 23:43, Marco Patzer home...@lavabit.com wrote:

 On 2013–07–31 Hans Hagen wrote:
 
 On 7/31/2013 10:56 PM, Marco Patzer wrote:
 \starttext
 foo
 \stoptext
 
 ! LuaTeX error [string \directlua ]:1: attempt to call field 
 'resetprevdepth' (a nil value)
 stack traceback:
 [string \directlua ]:1: in main chunk.
 
 not here ... maybe spac-ver.lua has not been updated at your end?
 
 No, it has not. spac-ver.mkiv:2099 calls resetprevdepth which is not
 defined in spac-ver.lua. The file has not been updated in your zip
 (so I assume it's not just me).
 
 Marco

I can confirm this: I get the same error message after updating to the new beta 
(ConTeXt  ver: 2013.07.31 20:23 MKIV beta  fmt: 2013.7.31  int: 
english/english).

Best regards: OK
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Re: [NTG-context] new beta luatex error

2013-07-31 Thread Hans Hagen

On 7/31/2013 11:43 PM, Marco Patzer wrote:

On 2013–07–31 Hans Hagen wrote:


On 7/31/2013 10:56 PM, Marco Patzer wrote:

\starttext
foo
\stoptext

! LuaTeX error [string \directlua ]:1: attempt to call field 'resetprevdepth' 
(a nil value)
stack traceback:
[string \directlua ]:1: in main chunk.


not here ... maybe spac-ver.lua has not been updated at your end?


No, it has not. spac-ver.mkiv:2099 calls resetprevdepth which is not
defined in spac-ver.lua. The file has not been updated in your zip
(so I assume it's not just me).


Ah. I patched only the 'experimental' files on my system (these cannot 
yet be included in the distribution as a newer luatex is needed).


I uploaded a new zip.

Hans


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Re: [NTG-context] Something weird with white color

2013-07-31 Thread Hans Hagen

On 7/31/2013 11:09 PM, Bertrand Masson wrote:

Hello,
The following code does not work, the second white ConTeXt  is  black !!!

\setupbackgrounds[page][background=color,backgroundcolor=blue]
\starttext
{\rotate[rotation=90]{\definedfont[SansBold at 24pt]\white  \ConTeXt}}
{\definedfont[SansBold at 16pt] \white ConTeXt}
\stoptext

No problem if we replace white with red (or other color) in

\definedfont[SansBold at 16pt] \red ConTeXt

and no problem if we write

\white\rotate[rotation=90]{\definedfont[SansBold at 24pt]\ConTeXt}


I compile with TeXlive2013.

Why is the white color different ?


tricky nesting at the pdf level .. seems like i need to use bit more 
magic there ... fixed in beta


Hans

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Re: [NTG-context] xmlfilter in lua

2013-07-31 Thread Hans Hagen

On 7/31/2013 10:52 PM, Thomas A. Schmitz wrote:

Gentlemen and noble ladies,

may I rerun this question? It was posted on Sunday and may have escaped
those of you who celebrated this day in some manner.

Thanks for your attention!

T

On 07/28/2013 02:07 PM, Thomas A. Schmitz wrote:

Hi,

hope this is comprehensible without a full example: I want to do some
operations on my xml, and that's easier to do in Lua. However, I cannot
find how to filter my results and pass them on to a command. In TeX, I
would do this:

\startxmlsetups xml:a
   \xmlfilter{#1}{/b/command(xml:command:b)}
\stopxmlsetups

\startxmlsetups xml:command:b
   \xmlconcat{#1}{/}\par
\stopxmlsetups

How would I do the same thing in Lua? Here's what I tried:

function xml.functions.a(t)
   local b = lxml.filter(lxml.id(t), /b)
   process(b)
end

function process(t)
   xml.cprint(t)
end

but that doesn't work yet, I get no results printed. So my question:
what would be the right syntax in Lua? (And bonus points for: what is
the equivalent of \xmlconcat ?)


- real test file needed
- you use process before you define it

another approach is:

for c in xml.collected(lxml.id(t),/b) do
...
end

(see x-mathml, x-cals for examples)

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Re: [NTG-context] Math fallback

2013-07-31 Thread Aditya Mahajan

On Wed, 31 Jul 2013, Hans Hagen wrote:


On 7/31/2013 11:02 PM, Aditya Mahajan wrote:

On Wed, 31 Jul 2013, Hans Hagen wrote:


I too would like to use Neo Euler for math but need some of the missing
glyphs/symbols, like \angle and \triangle. What would the typescript
look like to provide fallback to font for the symbols?


complex as original euler already misses many shapes and neo euler is
work in progress


That is the reason for my question if the font fallback mechanism can
work for math fonts also (as it does for, e.g., using different fonts
for arabic and english). That will be much easier than building a
virtual font.


it's not that trivial as there are more dependencies and things like 
extensible characters and accents and 


Yes, but those are not necessarily needed.

(in fact, a virtual font has to be built, so it's then a wrapper around a 
similar vf builder as we already have; one option is to extend the current 
one with ranges)


Just having a basic fallback mechanism will be better than having no 
fallback. For example Euler has no blackboard black, is missing some 
arrows (not extensible ones, just regular arrows) and common symbols.


Aditya

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Re: [NTG-context] Path problems w/ MkIV on Arch Linux

2013-07-31 Thread Matt Gushee
Thanks, Hans ...

On Wed, Jul 31, 2013 at 3:32 PM, Hans Hagen pra...@wxs.nl wrote:
 On 7/31/2013 10:51 PM, Matt Gushee wrote:

 code, so unless there are serious bugs, I want to use the version
 included with TexLive. At any rate, that's what I currently have and
 am trying to use. But I am running into issues with files not being
 found, e.g.:

 as a start you could try the distribution from the garden; at least it's a
 good way to figure out if there is something fishy with your system

Okay, I've installed that, and it works fine ... though I had a small
glitch along the way that gives me an idea about what the problem may
be with the TeXLive version. More about that below.

 in the reported 'tree' files in the cache you can check if files like
 context.mkiv are present

They weren't.

 mtxrun --variables
 mtxrun --expansions

Actually, I had already tried that, but I didn't fully understand the
output. Here's an example:

resolvers   | lists | LUAINPUTS
resolvers   | lists |   env: unset
resolvers   | lists |   var: .;$TEXINPUTS;$TEXMF/scripts/context/lua//
resolvers   | lists |   exp:
.;.;{home:texmf,!!selfautoparent:texmf-project,!!selfautoparent:texmf-fonts,!!/usr{/local}/share/texmf,!!selfautoparent:texmf-context,!!selfautoparent:texmf-linux,!!selfautoparent:texmf-dist,!!selfautoparent:texmf-dist}/tex/{context,plain/base,generic}//;{home:texmf,!!selfautoparent:texmf-project,!!selfautoparent:texmf-fonts,!!/usr{/local}/share/texmf,!!selfautoparent:texmf-context,!!selfautoparent:texmf-linux,!!selfautoparent:texmf-dist,!!selfautoparent:texmf-dist}/scripts/context/lua//
resolvers   | lists |   res:
.;.;{/home/matt/texmf,!!./texmf-project,!!./texmf-fonts,!!/usr{/local}/share/texmf,!!./texmf-context,!!./texmf-linux,!!./texmf-dist,!!./texmf-dist}/tex/{context,plain/base,generic}//;{/home/matt/texmf,!!./texmf-project,!!./texmf-fonts,!!/usr{/local}/share/texmf,!!./texmf-context,!!./texmf-linux,!!./texmf-dist,!!./texmf-dist}/scripts/context/lua/

Are the 'selfautoparent' references supposed to be resolved to
specific paths? If so, it certainly appears something was wrong here.

 so no file database is present or the database has not all files

It was the latter, I suspect due to incorrect path settings in the config file.

 does arch-linux use stock texlive or do they adapt it

There are a few, seemingly minor tweaks. There are three patches, all
for luatex:

  poppler-0.20.patch
  fix-fontforge-encoding.patch
  luatex-r4449-radical-rule-thickness.patch

However, these all seem to deal with small graphics/fonts issues and
have no apparent relationship to finding files. There is also a
customized texmf.cnf, but NOT a customized texmfcnf.lua. I think
that's significant.

I said above that I ran into a minor problem when I installed the
Contextgarden package. What happened was that I saw two ../bin
directories: /opt/context/bin and /opt/context/tex/texmf-linux/bin .
At first I thought /opt/context/bin was meant to be used, so I added
both directories to my PATH [/opt/context/bin was first]. But that
produced errors. Then I removed /opt/context/bin from PATH, and
everything was fine. So I think I see what's going on: since many of
the path settings in texmfcnf.lua use 'selfauto*' variables, and
correct resolution of those depends on where the executables are
located. So I suspect that the default config file that comes with
ConTeXt in TeXLive assumes that the executables are ... I'm not sure
where, but somewhere other than /usr/bin . I could probably fix that,
but it would take me a while to figure out the correct values.

Anyway, at this point I'm seriously thinking about just forgetting
TeXLive and using the standalone ConTeXt package. I doubt I'll be
using any other TeX packages in the near future, and I'd rather spend
time creating documents than tinkering with config files. Is there
anything in TeXLive that's particularly useful with ConTeXt, that is
not included in the ConTeXt package?

Anyway, many thanks for your prompt attention!

--
Matt Gushee
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Re: [NTG-context] Path problems w/ MkIV on Arch Linux

2013-07-31 Thread Aditya Mahajan

On Wed, 31 Jul 2013, Matt Gushee wrote:


Anyway, at this point I'm seriously thinking about just forgetting
TeXLive and using the standalone ConTeXt package.


You can also try the context-minimals-git package from AUR. It installs 
context minimals at /opt/context-minimal/, works in parallel with TL, and 
has the advantage that it can be removed using the package manager.


Aditya
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