Re: [NTG-context] Math align in mkiv

2011-12-07 Thread Paul Menzel
Dear Otared,


Am Mittwoch, den 07.12.2011, 05:11 +0100 schrieb Otared Kavian:

 Thank you having tested the file I sent.

did the example work for you with MKIV in the past?

 As I suspected, your testing confirms that the change or the bug has been 
 introduced in a recent version of ConTeXt mkiv, some time between October and 
 late November.
 The version I am running is
   ConTeXt  ver: 2011.11.29 23:11 MKIV  fmt: 2011.12.2  int: 
 english/english

I can also reproduce that behavior using

ConTeXt  ver: 2011.11.25 21:29 MKIV  fmt: 2011.11.25  int: 
english/english

 I think at some time in November Hans did some changes in math alignment 
 after someone reported a bug, and Aditya said he wouldn't have time to (or 
 could not) fix it.

There were two issues and the corresponding messages in the archive
[1][2]. So if these are related it should work for you using the version
from November 24th.


Thanks,

Paul


[1] http://www.ntg.nl/pipermail/ntg-context/2011/063428.html
[2] http://www.ntg.nl/pipermail/ntg-context/2011/063451.html


align-mkiv.pdf
Description: Adobe PDF document
%%% align-mkiv.tex
% defining an alignment structure
\definemathmatrix[alignedcases]
[align={right,left,left},
distance=3pt,
left={\left\{\;},
right={\right.},
style=\displaystyle]

\starttext

\startformula
\startalignedcases
\NC -\partial_t \Delta \psi + \Delta^2 \psi - \Delta \psi   \NC = 0 \NC \quad \mbox{in }\, (0,\infty)\times \Omega  \NR
\NC \psi (0,x) \NC= \psi_0(x) \NC \quad \mbox{in }\, \Omega \NR
\NC \psi (t,\sigma ) \NC= 0 \NC \quad \mbox{on }\, (0,\infty)\times \partial\Omega \NR
\NC {\partial \psi  \over  \partial {\bf n}}(t,\sigma ) \NC = 0 \NC \quad \mbox{on }\, (0,\infty)\times \partial\Omega. 
\stopalignedcases
\stopformula

\CONTEXT\ \contextmark\ \contextversion
\stoptext


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Re: [NTG-context] Error while compiling : ! String contains an invalid utf-8 sequence.

2011-12-07 Thread Thomas A. Schmitz

On 11/25/2011 09:09 PM, Hans Hagen wrote:

It makes me wonder how Thomas gets his greek etc done in bibtex.


To be quite honest: I rarely have more than a few words of Greek, and I 
wrap them up in \localgreek{} markup in my bibtex files, so I assume 
that's why I have never run into this problem. But it's another example 
to show that bibtex has huge problems outside of English (ASCII) range. 
It would be great if we could get rid of it ASAP...


Thomas
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Re: [NTG-context] Migrating from prosper to simpleslides in creating presentations

2011-12-07 Thread Thomas A. Schmitz

On 12/06/2011 11:40 PM, Pavneet Arora wrote:

Thanks Wolfgang and Marco for the quick responses.  Marco, `impressive'
looks just the thing that will easily allow me to add transitions while
still using simpleslides to get me going until I can do my own DIY slides.

Regards.


Glad you found a solution. Maybe just a word explaining why I find it a 
waste of time to do work on such transitions in simpleslides: even if we 
accept, for the sake of the argument, that such transitions are more 
than a mere distraction, it is almost impossible to get acceptable 
results across platforms and pdf viewers. Most viewers under linux will 
either not show transitions at all or show them in such an ugly way that 
your audience may leave in disgust. If something like this doesn't work, 
newbies will of course assume that it's the module's fault, while in 
reality, it's the implementation of the pdf viewer. Instead of having 
inconsistent and potentially unsatisfying results, I prefer to leave 
these transitions to outside tools.


And a tiny bit of anecdotal evidence: I had been using a cube 
transition for a while in my classroom lectures. I thought it was cool. 
And then, one day, I was standing somewhere in the back of the classroom 
while I was changing slides with my remote control, and I saw the effect 
for the first time from the audience's point of view. The slide pretty 
much fills up the front wall of the classroom, and watching the cube 
turn was absolutely nauseating; I was surprised that none of the 
students had ever complained (or thrown up...). It was horrible, and I 
have given up all transitions ever since...


Thomas
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Re: [NTG-context] Migrating from prosper to simpleslides in creating presentations

2011-12-07 Thread Hans Hagen

On 7-12-2011 09:29, Thomas A. Schmitz wrote:


Glad you found a solution. Maybe just a word explaining why I find it a
waste of time to do work on such transitions in simpleslides: even if we


Page transitions have always been part of context pdf support (not that 
I ever use them as I dislike them too much):


\setuppagetransitions[random]

No coding needed as it's a viewer control feature.

Hans

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[NTG-context] index (ignore spaces)

2011-12-07 Thread Steffen Wolfrum
Hi,

is it possible to enhance the \index command in order to be more tolerant 
with wrong set spaces?

For example ...

This is a test \index{Test} text.

... this would give (legitimately) double spaces between test and text.


[This would help to finish original latex documents, for in latex authors can 
type that way]

Steffen
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Re: [NTG-context] Math align in mkiv

2011-12-07 Thread Hans Hagen

On 6-12-2011 22:52, Otared Kavian wrote:

\definemathmatrix[alignedcases]
[align={right,left,left},
distance=3pt,
left={\left\{\;},
right={\right.},
style=\displaystyle]

\starttext

\startformula
\startalignedcases
\NC -\partial_t \Delta \psi + \Delta^2 \psi - \Delta \psi   \NC = 0 \NC \quad 
\mbox{in }\, (0,\infty)\times \Omega  \NR
\NC \psi (0,x) \NC= \psi_0(x) \NC \quad \mbox{in }\, \Omega \NR
\NC \psi (t,\sigma ) \NC= 0 \NC \quad \mbox{on }\, (0,\infty)\times 
\partial\Omega \NR
\NC {\partial \psi  \over  \partial {\bf n}}(t,\sigma ) \NC = 0 \NC \quad 
\mbox{on }\, (0,\infty)\times \partial\Omega.
\stopalignedcases
\stopformula

\stoptext


in math-ali.mkvi line 700 change

  \dosetmatrixcolumn

into

  \doseteqaligncolumn

Hans

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[NTG-context] How to do coloured heads

2011-12-07 Thread Malte Stien
Hello,

I am new to all of this. First of all, thank you to everyone involved for such 
an awesome software package. I have been looking for something like this for a 
while for technical documentation for software projects and had no idea this 
even existed until... well, yesterday. So, I spent most of the day playing with 
it.

However, I have not managed to work out how to get coloured heads. I am trying 
to have my section heads in darkgray. So I tried

  \setuphead[section][style=\tfb\ss\color[darkgray]]

which results in a processing error and

  \setuphead[section][style=\tfb\ss{\color[darkgray]}]

which seems to process, but does just not do anything (I did not actually 
expect that last one to work, but I got a bit desperate). While the manual is 
well written and certain well laid out, it does not quite work for me as a 
reference guide in that it does not seem to be complete. So a little help would 
be much appreciated.

Thank you,
Malte.

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Re: [NTG-context] How to do coloured heads

2011-12-07 Thread Philipp Gesang
On 2011-12-07 21:03, Malte Stien wrote:
 Hello,
 
 I am new to all of this. First of all, thank you to everyone involved for 
 such an awesome software package. I have been looking for something like this 
 for a while for technical documentation for software projects and had no idea 
 this even existed until... well, yesterday. So, I spent most of the day 
 playing with it.
 
 However, I have not managed to work out how to get coloured heads. I am 
 trying to have my section heads in darkgray. So I tried
 
   \setuphead[section][style=\tfb\ss\color[darkgray]]

Better group the arguments of the “style” key as a whole:

·

\definehead[colorsection][section]
\setuphead [colorsection][
  style={\tfb\ss\color[darkgray]},
]

\starttext

\startcolorsection[title={This should be colored}]
  \input knuth
\stopcolorsection

\stoptext \endinput

·

 While the manual is well written and certain well
 laid out, it does not quite work for me as a reference guide in
 that it does not seem to be complete. So a little help would be
 much appreciated.

That’s what this list is for. And the wiki …

Regards,
Philipp



 
 which results in a processing error and
 
   \setuphead[section][style=\tfb\ss{\color[darkgray]}]
 
 which seems to process, but does just not do anything (I did
 not actually expect that last one to work, but I got a bit
 desperate). While the manual is well written and certain well
 laid out, it does not quite work for me as a reference guide in
 that it does not seem to be complete. So a little help would be
 much appreciated.
 
 Thank you,
 Malte.
 
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Re: [NTG-context] How to do coloured heads

2011-12-07 Thread Thomas A. Schmitz

On 12/07/2011 11:16 AM, Philipp Gesang wrote:

Better group the arguments of the “style” key as a whole:

·

\definehead[colorsection][section]
\setuphead [colorsection][
   style={\tfb\ss\color[darkgray]},
]


or, more ConTeXt-like:

\definehead[colorsection][section]
\setuphead [colorsection][
  style=\ssbf,
  color=red,
]

Thomas
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Re: [NTG-context] How to do coloured heads

2011-12-07 Thread Malte Stien
Thank you. Either of those solutions work fine.
Malte.


On 07/12/2011, at 21:31, Thomas A. Schmitz wrote:

 On 12/07/2011 11:16 AM, Philipp Gesang wrote:
 Better group the arguments of the “style” key as a whole:
 
 ·
 
 \definehead[colorsection][section]
 \setuphead [colorsection][
   style={\tfb\ss\color[darkgray]},
 ]
 
 or, more ConTeXt-like:
 
 \definehead[colorsection][section]
 \setuphead [colorsection][
  style=\ssbf,
  color=red,
 ]
 
 Thomas
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[NTG-context] setupheads

2011-12-07 Thread Felix Ingram
Hello all,

I've not been able to find the right combination of commands to change
my header style. I'd like to have bold, italic (or slanted), plus
change the text size. I currently have the following:

\setuphead[section][color=header_dark_blue, aligntitle=float]

\definehead[newsection][section]
\setuphead[newsection]
style=\tfd\boldslanted,
before=\page,
width=120mm,
aligntitle=float,
after={\blackrule[color=sectionlineblue,width=125mm,height=1pt]},
]


This gives me bold, slanted text but not the size change. Swapping the
tfd and boldslanted will change the size but not the style.

Can anyone see where I'm going wrong?

Felix
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Re: [NTG-context] Migrating from prosper to simpleslides in creating presentations

2011-12-07 Thread Pavneet Arora

Dear Thomas,

Nauseating is an apt description ;).  In general, I too avoid them, but with 
this upcoming audience, unadorned may be mistaken (incorrectly) for plain.  I do 
think, however, that `dissolve' is subtle enough to offer a reasonable compromise.


BTW, is there a way of doing incremental slides with the simpleslides module 
like the overlay feature from prosper?  Or is that easily achieved in some other 
way that is native to ConTeXt?


Thanks and regards.


On 11-12-07 03:29 AM, Thomas A. Schmitz wrote:

On 12/06/2011 11:40 PM, Pavneet Arora wrote:

Thanks Wolfgang and Marco for the quick responses. Marco, `impressive'
looks just the thing that will easily allow me to add transitions while
still using simpleslides to get me going until I can do my own DIY slides.

Regards.


Glad you found a solution. Maybe just a word explaining why I find it a waste of
time to do work on such transitions in simpleslides: even if we accept, for the
sake of the argument, that such transitions are more than a mere distraction, it
is almost impossible to get acceptable results across platforms and pdf viewers.
Most viewers under linux will either not show transitions at all or show them in
such an ugly way that your audience may leave in disgust. If something like this
doesn't work, newbies will of course assume that it's the module's fault, while
in reality, it's the implementation of the pdf viewer. Instead of having
inconsistent and potentially unsatisfying results, I prefer to leave these
transitions to outside tools.

And a tiny bit of anecdotal evidence: I had been using a cube transition for a
while in my classroom lectures. I thought it was cool. And then, one day, I was
standing somewhere in the back of the classroom while I was changing slides with
my remote control, and I saw the effect for the first time from the audience's
point of view. The slide pretty much fills up the front wall of the classroom,
and watching the cube turn was absolutely nauseating; I was surprised that none
of the students had ever complained (or thrown up...). It was horrible, and I
have given up all transitions ever since...

Thomas


--
-
- Pavneet Arora

Waroc Fine Audio + Custom Home Cinema
www.waroc.com  416.937.WAROC (9276)

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Re: [NTG-context] Migrating from prosper to simpleslides in creating presentations

2011-12-07 Thread Pavneet Arora

BTW, I am using evince under Ubuntu and haven't noticed too many
inconsistencies, but then I don't normally use transitions, but do use
incremental slides a lot, which I understand are also only pertinent
with PDFs: from p. 4 of the prosper manual in the section for Overlays,
``All those macros are only really meaningful in pdf mode; in ps mode,
they do nothing or interpret their argument, depending on the option
no/accumulate.''

On 11-12-07 03:29 AM, Thomas A. Schmitz wrote:

On 12/06/2011 11:40 PM, Pavneet Arora wrote:

Thanks Wolfgang and Marco for the quick responses. Marco, `impressive'
looks just the thing that will easily allow me to add transitions while
still using simpleslides to get me going until I can do my own DIY slides.

Regards.


Glad you found a solution. Maybe just a word explaining why I find it a waste of
time to do work on such transitions in simpleslides: even if we accept, for the
sake of the argument, that such transitions are more than a mere distraction, it
is almost impossible to get acceptable results across platforms and pdf viewers.
Most viewers under linux will either not show transitions at all or show them in
such an ugly way that your audience may leave in disgust. If something like this
doesn't work, newbies will of course assume that it's the module's fault, while
in reality, it's the implementation of the pdf viewer. Instead of having
inconsistent and potentially unsatisfying results, I prefer to leave these
transitions to outside tools.

And a tiny bit of anecdotal evidence: I had been using a cube transition for a
while in my classroom lectures. I thought it was cool. And then, one day, I was
standing somewhere in the back of the classroom while I was changing slides with
my remote control, and I saw the effect for the first time from the audience's
point of view. The slide pretty much fills up the front wall of the classroom,
and watching the cube turn was absolutely nauseating; I was surprised that none
of the students had ever complained (or thrown up...). It was horrible, and I
have given up all transitions ever since...

Thomas


--
-
- Pavneet Arora

Waroc Fine Audio + Custom Home Cinema
www.waroc.com  416.937.WAROC (9276)

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[NTG-context] Tikz/pgf colour issue

2011-12-07 Thread Felix Ingram
I just upgraded to the latest beta in order to see if that would fix
my header styling issue. Compiling gave me the following error:

! Argument of \pgfutil@context@parse@gray has an extra }.

This is defined in:
tex\texmf-modules\tex\generic\pgf\utilities\pgfutil-context.def

If I change the code to the following (basically just comment out the
call to \pgfutil@context@parse@gray) then my document will compile
again. That's about my debugging limit - I shall stare at the code a
bit more to see if inspiration strikes.

% The cmyk part is from Joseph Wright.
% See tex.stackexchange.com/questions/27952/cmyk-context-colors-in-tikz
\def\pgfutil@registercolor#1{%
  \edef\pgf@temp{\PDFcolor{#1}}%
  \edef\pgf@marshal{\noexpand\pgfutil@in@{g}{\pgf@temp}}%
  \pgf@marshal
  %\ifpgfutil@in@
%\expandafter\pgfutil@context@parse@gray\pgf@temp\pgf@stop{#1}%
  %\else
\edef\pgf@marshal{\noexpand\pgfutil@in@{rg}{\pgf@temp}}%
\pgf@marshal
\ifpgfutil@in@
  \expandafter\pgfutil@context@parse@rgb\pgf@temp\pgf@stop{#1}%
\else
  \edef\pgf@marshal{\noexpand\pgfutil@in@{k}{\pgf@temp}}%
  \pgf@marshal
  \ifpgfutil@in@
\expandafter\pgfutil@context@parse@cmyk\pgf@temp\pgf@stop{#1}%
  \else
\PackageError{pgf}{Color #1 has an unsupported color model.}{}%
\pgfutil@definecolor{#1}{gray}{0}%
  \fi
\fi
  %\fi
}

Regards,

Felix
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Re: [NTG-context] Migrating from prosper to simpleslides in creating presentations

2011-12-07 Thread Hans Hagen

On 7-12-2011 12:44, Pavneet Arora wrote:

Dear Thomas,

Nauseating is an apt description ;). In general, I too avoid them, but
with this upcoming audience, unadorned may be mistaken (incorrectly) for
plain. I do think, however, that `dissolve' is subtle enough to offer a
reasonable compromise.

BTW, is there a way of doing incremental slides with the simpleslides
module like the overlay feature from prosper? Or is that easily achieved
in some other way that is native to ConTeXt?


context s-pre-61

will give you an example (the magic word is Steps .. non intrusive and 
efficient stepping)


Hans


-
  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] setupheads

2011-12-07 Thread Wolfgang Schuster

Am 07.12.2011 um 12:17 schrieb Felix Ingram:

 Hello all,
 
 I've not been able to find the right combination of commands to change
 my header style. I'd like to have bold, italic (or slanted), plus
 change the text size. I currently have the following:
 
 \setuphead[section][color=header_dark_blue, aligntitle=float]
 
 \definehead[newsection][section]
 \setuphead[newsection]
 style=\tfd\boldslanted,

style=\bsd,

Wolfgang

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Re: [NTG-context] Migrating from prosper to simpleslides in creating presentations

2011-12-07 Thread Pavneet Arora
Thanks Hans.  Will do.  Steps sounds perfect for this and my other applications.

Regards.

-- 
Sent from my Nokia N900. Please excuse my brevity.

- Original message -
 On 7-12-2011 12:44, Pavneet Arora wrote:
  Dear Thomas,
  
  Nauseating is an apt description ;). In general, I too avoid them, but
  with this upcoming audience, unadorned may be mistaken (incorrectly)
  for plain. I do think, however, that `dissolve' is subtle enough to
  offer a reasonable compromise.
  
  BTW, is there a way of doing incremental slides with the simpleslides
  module like the overlay feature from prosper? Or is that easily
  achieved in some other way that is native to ConTeXt?
 
 context s-pre-61
 
 will give you an example (the magic word is Steps .. non intrusive and 
 efficient stepping)
 
 Hans
 
 
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Re: [NTG-context] Tikz/pgf colour issue

2011-12-07 Thread Felix Ingram
Further investigation suggests that this is a known issue of using
\definecolor colours within a Tikz graphic that decided to manifest
itself for the first time when I upgraded.

The solution is to do:
\unprotect
\pgfutil@definecolor{colour_name}{rbg/cmyk/gray}{...colour values...}
\protect

for all the colours that you want to use.

Apologies for the noise.

Felix
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Re: [NTG-context] Error while compiling : ! String contains an invalid utf-8 sequence.

2011-12-07 Thread Alexandre Krispin
Thank you for your answer !

Finally I am back to Latex until this problem is fixed. Though I have no
knowledge about it, it seemed to me that the problem I got was more related
to hanzi script than to bibtex, since the final problem of misplaced dots I
had appeared only with hanzi script.

Hans Hagen did not replied to it. That's why I suppose that one day if this
problem related to hanzi script becomes a problem of general interest,
maybe it will be fixed...

Cheers,
Alexandre Krispin

2011/12/7 Thomas A. Schmitz thomas.schm...@uni-bonn.de

 On 11/25/2011 09:09 PM, Hans Hagen wrote:

 It makes me wonder how Thomas gets his greek etc done in bibtex.


 To be quite honest: I rarely have more than a few words of Greek, and I
 wrap them up in \localgreek{} markup in my bibtex files, so I assume that's
 why I have never run into this problem. But it's another example to show
 that bibtex has huge problems outside of English (ASCII) range. It would be
 great if we could get rid of it ASAP...

 Thomas

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Re: [NTG-context] Error while compiling : ! String contains an invalid utf-8 sequence.

2011-12-07 Thread Hans Hagen

On 7-12-2011 17:37, Alexandre Krispin wrote:

Thank you for your answer !

Finally I am back to Latex until this problem is fixed. Though I have no
knowledge about it, it seemed to me that the problem I got was more related
to hanzi script than to bibtex, since the final problem of misplaced dots I
had appeared only with hanzi script.

Hans Hagen did not replied to it. That's why I suppose that one day if this
problem related to hanzi script becomes a problem of general interest,
maybe it will be fixed...


As mentioned on this list using a unicode (utf) engine with bibtex is 
somewhat tricky. Interesting is that a similar problem occurred with 
url's: bibtex has hard coded line lengths and if I'm right there has 
been a fix that made lines wrap on spaces. However that does not help 
with scripts that have no spaces. Somewhat strange is that bibtex was 
not made compliant to other tex related programs in the sense that one 
can configure the line length (which we would then set to 1000 or so).


In spite of repeated announcements of bibtex 1.0 (which would probably 
not fix this issue anyway) it looks like the program is deep frozen. 
Unfortunately it also has frozen some conventions that make it hard to 
replace it.


Fixing it is probably something that an able programmer can do while 
watching a movie at the same time were it not that touching bibtex seems 
to be some kind of sacrilege.


I can imagine that someone makes a copy of bibtex, say ctxbibtex, 
patches it to accept long lines and that we ship that one with context.


Hans

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Re: [NTG-context] isn't it too slow?

2011-12-07 Thread Pablo Rodríguez
On 12/06/2011 10:29 PM, Wolfgang Schuster wrote:
 [...]
 Why not, this is what I get from your example (time context test.tex):
 
 real  0m0.922s
 user  0m0.853s
 sys   0m0.061s

This is what I got:

real0m8.744s
user0m6.449s
sys 0m0.549s

Almost ×10 slower :-(.

I have realized that I always use the --purgeall option (to keep my
system clean), without it I get:

real0m2.466s
user0m2.273s
sys 0m0.182s

But still about ×2.5 slower.

Thanks for your help,


Pablo
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Re: [NTG-context] isn't it too slow?

2011-12-07 Thread Pablo Rodríguez
On 12/06/2011 10:58 PM, Idris Samawi Hamid ادريس   سماوي حامد wrote:
 Hi pablo,
 
 On Tue, 06 Dec 2011 14:07:25 -0700, Pablo Rodríguez oi...@web.de wrote:
 
 Otherwise, things like this happen every time I compile a ConTeXt  
 document.
 
 Once I had a luatex.dll file out of sync with the latest version of luatex  
 -- don't ask me how it happened -- and it caused loading context macros to  
 take much longer, to reload the cache every run, and to run more times  
 than needed. Looking closely at the log I noticed an engine mismatch.  
 Deleting that file fixed everything. This may have nothing to do with your  
 case in particular, but just to say say that sometimes strange things like  
 this do happen. See also
 
 http://archive.contextgarden.net/message/20101118.171849.a179501b.en.html

Many thanks, Idris, for your help.

No mismatch found in my log file.


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Re: [NTG-context] \usezipfile

2011-12-07 Thread Hans Hagen

On 7-12-2011 20:06, Wolfgang Schuster wrote:

Hi Hans,

the \usezipfile command doesn’t work work.


Yes, I'd noticed that but had no time yet to look into it


I can get rid of one problem when I make the following change in data-zip.lua:

function resolvers.usezipfile(archive)
 local specification = resolvers.splitmethod(archive) -- to be sure
 local archive = specification.filename
 if archive and not registeredfiles[archive] then
 local z = zip.openarchive(archive)
 if z then
 local tree = url.query(specification.query).tree or 
 if trace_locating then
 report_zip(registering, registering archive '%s',archive)
 end
 statistics.starttiming(resolvers.instance)
 resolvers.prependhash('zip',archive)
 resolvers.extendtexmfvariable(archive) -- resets hashes too
 registeredfiles[archive] = z
--  instance.files[archive] = resolvers.registerzipfile(z,tree)
 resolvers.instance.files[archive] = 
resolvers.registerzipfile(z,tree)
 statistics.stoptiming(resolvers.instance)
 elseif trace_locating then
 report_zip(registering, unknown archive '%s',archive)
 end
 elseif trace_locating then
 report_zip(registering, '%s' not found,archive)
 end
end

Another problem afterward is that context can’t load the file in the zip archive
even though it can find it as seen in the error message:

   ! I can't find file `lipsum.zip?name=tex/context/third/lipsum/lipsum.tex'.


I'll put it on my todo list (in the middle of page-* cleanup now).

Hans

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[NTG-context] `\{start, stop}MPpage`: MetaPost figure does not fit canvas(?) in resulting PDF file

2011-12-07 Thread Paul Menzel
Dear ConTeXt folks,


using the following example

\starttext
\startMPpage
draw (0,0)--(10,10)--(15,5)--(20,10);
draw (0,0)--(0,10)--(10,10)--(10,5)--(15,5)--(15,10)--(20,10) withcolor 
blue;
\stopMPpage
\stoptext

it looks like the bottom is not included in the resulting PDF file and
at the top there is too much room. (So it looks like the figure is moved
too far to the bottom.)

Using the examples from the Wiki [1] with circles works though.

I am using ConTeXt Standalone.

ConTeXt  ver: 2011.11.25 21:29 MKIV  fmt: 2011.11.25  int: english/english


Thanks,

Paul


[1] http://wiki.contextgarden.net/Mpgraphic


test.pdf
Description: Adobe PDF document
\starttext
\startMPpage
draw (0,0)--(10,10)--(15,5)--(20,10);
draw (0,0)--(0,10)--(10,10)--(10,5)--(15,5)--(15,10)--(20,10) withcolor blue;
\stopMPpage

\startMPpage
 draw fullcircle scaled 2cm;
 dotlabel.bot(textext((0,0)),origin);
\stopMPpage

\startMPpage
 draw fullcircle scaled 2cm;
 drawarrow (0,0)--(1cm,0);
 label.bot(textext($r$),(5mm,0));
\stopMPpage
\stoptext


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Re: [NTG-context] Math align in mkiv

2011-12-07 Thread Otared Kavian
Dear Paul,

Thanks for your attention: as you may have seen, Hans found the fix and after 
that math align works fine.
As you noticed, the issue was related to what you reported some time ago.

Best regards: OK

On 7 déc. 2011, at 09:03, Paul Menzel wrote:

 Dear Otared,
 
 
 Am Mittwoch, den 07.12.2011, 05:11 +0100 schrieb Otared Kavian:
 
 Thank you having tested the file I sent.
 
 did the example work for you with MKIV in the past?
 
 As I suspected, your testing confirms that the change or the bug has been 
 introduced in a recent version of ConTeXt mkiv, some time between October 
 and late November.
 The version I am running is
  ConTeXt  ver: 2011.11.29 23:11 MKIV  fmt: 2011.12.2  int: 
 english/english
 
 I can also reproduce that behavior using
 
ConTeXt  ver: 2011.11.25 21:29 MKIV  fmt: 2011.11.25  int: 
 english/english
 
 I think at some time in November Hans did some changes in math alignment 
 after someone reported a bug, and Aditya said he wouldn't have time to (or 
 could not) fix it.
 
 There were two issues and the corresponding messages in the archive
 [1][2]. So if these are related it should work for you using the version
 from November 24th.
 
 
 Thanks,
 
 Paul
 
 
 [1] http://www.ntg.nl/pipermail/ntg-context/2011/063428.html
 [2] http://www.ntg.nl/pipermail/ntg-context/2011/063451.html
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%%
Otared Kavian
Département de Mathématiques
Université de Versailles Saint-Quentin
Bâtiment Fermat
45 avenue des Etats Unis
78035 Versailles cedex

Téléphone: +33 1 39 25 46 42
Secrétariat: +33 1 39 25 46 44 
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e-mail: otared.kav...@math.uvsq.fr




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[NTG-context] Enumeration in mkiv

2011-12-07 Thread Otared Kavian
Dear Hans,

In transferring some stuff from mkii to mkiv, I noticed a change in the way 
mkiv puts too much distance between the title of an enumeration and the text 
following it. I am not sure whether I have noticed this before, but my feeling 
is that the change is somewhat recent. I have put the result of the source 
below here, 
http://dl.dropbox.com/u/4316076/enumeration-mkii.pdf
and
http://dl.dropbox.com/u/4316076/enumeration-mkiv.pdf

I think the correct behaviour is the one with mkii.

Best regards: OK
PS: here is the source file:
%%% begin enumeration-mkiv.tex
\defineenumeration[exo]
[location=hanging,
text=Exercise, 
between=,
before=, 
stopper={.},
after= \blank]

\starttext

\startexo This is a test with mkiv. 

\startitemize[n]
\item First question.

\item Second question.

\stopitemize
\stopexo

\stoptext
%%% end enumeration-mkiv.tex
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[NTG-context] math: root sign an square brackets set too closely

2011-12-07 Thread Paul Menzel
Dear ConTeXt folks,


using the root sign √ `\sqrt` and the square brackets [] the distance
does not seem to be optimal.

\starttext

\type{$\left[ \sqrt{x} \right]$}: $\left[ \sqrt{x} \right]$

Without \type{\left} and \type{\right}: $[\sqrt{x}]$

\type{$\left( \sqrt{x} \right)$}: $\left( \sqrt{x} \right)$

With \type{\,}: \type{$\left[ \sqrt{x}\, \right]$}: $\left[ \sqrt{x}\, 
\right]$

\placeformula
\startformula
\left[ \sqrt{x} \right]
\stopformula

\CONTEXT\ \contextmark\ \contextversion
\stoptext

I am using the following version.

ConTeXt  ver: 2011.11.25 21:29 MKIV  fmt: 2011.11.25  int: 
english/english

Is that a TeX limitation or should that be type set “correctly” automatically?


Thanks,

Paul


root-and-brackets.pdf
Description: Adobe PDF document
\starttext

\type{$\left[ \sqrt{x} \right]$}: $\left[ \sqrt{x} \right]$

Without \type{\left} and \type{\right}: $[\sqrt{x}]$

\type{$\left( \sqrt{x} \right)$}: $\left( \sqrt{x} \right)$

With \type{\,}: \type{$\left[ \sqrt{x}\, \right]$}: $\left[ \sqrt{x}\, \right]$

\placeformula
\startformula
\left[ \sqrt{x} \right]
\stopformula

\CONTEXT\ \contextmark\ \contextversion
\stoptext


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[NTG-context] Possible bug in \unit

2011-12-07 Thread Marco
There seems to be a bug in the new unit system for \unit{kbit}:

% bit
\unit{kilo bit}  % kbit
\unit{kilobit}   % kbit
\unit{kbit}  % kB, shouldn't this be kbit?

Another thing:

\unit{3.4e-5} yields to 3.4⁻⁵ that's expected according to
the manual. But  how to get 3.4·10⁻⁵ (either  with \cot or
\times)?

Marco Patzer


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[NTG-context] orphan and widow lines

2011-12-07 Thread Pablo Rodríguez
Hi there,

I have been using ConTeXt for some months and one of the things I cannot
control is orphan or widow lines appearing in my documents.

Isn't there a general method to avoid them? (This should set ragged
bottoms, but I'd rather have ragged bottoms than orphan or widow lines.)

Thanks for your help,


Pablo
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[NTG-context] Columnset error with \setupheader[state=high]

2011-12-07 Thread Peter Park Nelson
Update:

I don't have a solution yet, but here is my attempt to figure out where
this problem comes from. I may be (probably am) wrong; I am new to ConTeXt
and not an expert on its internals. But I'll toss this out to see if anyone
is interested.

When \startcolumnset is called, it seems to take a snapshot of the state
of the layout (via setuplayout). However, layout can change, even without
\setuplayout being explicitly called again, as in the case of header
state=high (which modifies the layout of  the first page only). By visual
inspection, it looks like the columnset output routine continues to use the
page dimensions from the first page on subsequent pages. Since the first
page has no header space, height of the text box on the first page will be
larger than on subsequent pages. Therefore, applying the first page height
on subsequent pages will result in text that runs over the footer area.

To see if a new call to \startcolumnset would fix things, I tried to find a
way to automatically do \startcolumnset again at the beginning of the
second page. A crude hack, using the startpostponing mechanism:

\startpostponing[2] % do this block on the second page
\unexpanded\stopcolumnset\unexpanded\startcolumnset[name] % manually end
the current columnset and then start it again.
\stoppostponing

This unfortunately results in a blank page after the first page; however,
the rest of the pages after that blank page have correct columnsets and
footers.

So a real solution to this problem could perhaps be done in two different
ways -- the difference being where in the ConTeXt code it is implemented:
A. The columnset output routine listens for changes in the layout state
and reloads or adjusts itself when layout state changes; or,
B. Any change in layout state passed to the output routine triggers a
re-call of the \startcolumnset macro.

These are probably oversimplified, but I hope someone who understands the
columnset output routine can see what I am trying to get at.
-- 
Peter Park Nelson
peter.park.nel...@gmail.com
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Re: [NTG-context] Possible bug in \unit

2011-12-07 Thread Mojca Miklavec
On Wed, Dec 7, 2011 at 22:27, Marco net...@lavabit.com wrote:
 There seems to be a bug in the new unit system for \unit{kbit}:

 % bit
 \unit{kilo bit}  % kbit
 \unit{kilobit}   % kbit
 \unit{kbit}      % kB, shouldn't this be kbit?

kB is kilobyte, not kilobit, but kb is probably also valid?

 Another thing:

 \unit{3.4e-5} yields to 3.4⁻⁵ that's expected according to
 the manual.

But the behaviour is wrong. (I just want to say that \cdot 10^{-5}
should not be just an option, but the default behaviour.)

Mojca
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Re: [NTG-context] Possible bug in \unit

2011-12-07 Thread Marco
On 2011-12-07 Mojca Miklavec mojca.miklavec.li...@gmail.com wrote:

 On Wed, Dec 7, 2011 at 22:27, Marco net...@lavabit.com wrote:
  There seems to be a bug in the new unit system for \unit{kbit}:
 
  % bit
  \unit{kilo bit}  % kbit
  \unit{kilobit}   % kbit
  \unit{kbit}      % kB, shouldn't this be kbit?
 
 kB is kilobyte, not kilobit,

Exactly, \unit{kbit} should output kbit, instead of kB.

 but kb is probably also valid?

I don't know,  if kb is a valid shortcut  for kilo bit. kB
outputs kB (kilo  byte). I would vote for  that kb outputs
kbit  (kilo  bit).  But  that  \unit{kbit}  yields  kB  is
definitely wrong.

  \unit{3.4e-5}   yields   to  3.4⁻⁵   that's   expected
  according to the manual.

 But the behaviour is wrong.

I don't know if it's wrong. It's very non-intuitive, but I
think Hans had a reason not to include the \cdot 10.

 (I just  want to  say that \cdot  10^{-5} should  not be
 just an option, but the default behaviour.)

+1

Regards

Marco Patzer


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Re: [NTG-context] Possible bug in \unit

2011-12-07 Thread Mojca Miklavec
On Thu, Dec 8, 2011 at 00:12, Marco wrote:
 On 2011-12-07 Mojca Miklavec wrote:

  \unit{3.4e-5}   yields   to  3.4⁻⁵   that's   expected
  according to the manual.

 But the behaviour is wrong.

 I don't know if it's wrong.

But 5e3 would render 5^3 which is hopefully still 125.

 It's very non-intuitive, but I
 think Hans had a reason not to include the \cdot 10.

\cdot 10^{x} is pretty long and might be ugly. But writing out
exponent without the base is everything but the right approach. Even
writing out 5e3 is better than that.

Mojca
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Re: [NTG-context] Columnset error with \setupheader[state=high]

2011-12-07 Thread Peter Park Nelson
Those \unexpanded 's are not necessary, sorry.

On Wed, Dec 7, 2011 at 4:42 PM, Peter Park Nelson 
peter.park.nel...@gmail.com wrote:

 Update:

 I don't have a solution yet, but here is my attempt to figure out where
 this problem comes from. I may be (probably am) wrong; I am new to ConTeXt
 and not an expert on its internals. But I'll toss this out to see if anyone
 is interested.

 When \startcolumnset is called, it seems to take a snapshot of the state
 of the layout (via setuplayout). However, layout can change, even without
 \setuplayout being explicitly called again, as in the case of header
 state=high (which modifies the layout of  the first page only). By visual
 inspection, it looks like the columnset output routine continues to use the
 page dimensions from the first page on subsequent pages. Since the first
 page has no header space, height of the text box on the first page will be
 larger than on subsequent pages. Therefore, applying the first page height
 on subsequent pages will result in text that runs over the footer area.

 To see if a new call to \startcolumnset would fix things, I tried to find
 a way to automatically do \startcolumnset again at the beginning of the
 second page. A crude hack, using the startpostponing mechanism:

 \startpostponing[2] % do this block on the second page
 \unexpanded\stopcolumnset\unexpanded\startcolumnset[name] % manually end
 the current columnset and then start it again.
 \stoppostponing

 This unfortunately results in a blank page after the first page; however,
 the rest of the pages after that blank page have correct columnsets and
 footers.

 So a real solution to this problem could perhaps be done in two different
 ways -- the difference being where in the ConTeXt code it is implemented:
 A. The columnset output routine listens for changes in the layout state
 and reloads or adjusts itself when layout state changes; or,
 B. Any change in layout state passed to the output routine triggers a
 re-call of the \startcolumnset macro.

 These are probably oversimplified, but I hope someone who understands the
 columnset output routine can see what I am trying to get at.
 --
 Peter Park Nelson
 peter.park.nel...@gmail.com




-- 
Peter Park Nelson
peter.park.nel...@gmail.com
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[NTG-context] naming of labels: Is »()« allowed?

2011-12-07 Thread Paul Menzel
Dear ConTeXt folks,


in ConTeXt I like how I can choose arbitrary names for label and
reference them. I think some time ago it was possible to also use »()«.
This does not work anymore with

ConTeXt  ver: 2011.11.25 21:29 MKIV  fmt: 2011.11.25  int: 
english/english

and the following message is in the log file.

references   unknown reference [][(N)]


\definereferenceformat[eqref][left=(,right=)]

\starttext
\placeformula[(N)]
\startformula
\Pr\{N = n\} = \Pr\left\{ \min_{1 ≤ k ≤ n} S_k  0 \right\} = 
p_n^{(1)}
\stopformula

Is it working? \eqref[(N)]

\CONTEXT\ \contextmark\ \contextversion
\stoptext


Thanks,

Paul


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Re: [NTG-context] naming of labels: Is »()« allowed?

2011-12-07 Thread Paul Menzel
Dear ConTeXt folks,


Am Donnerstag, den 08.12.2011, 02:18 +0100 schrieb Paul Menzel:

 in ConTeXt I like how I can choose arbitrary names for label and
 reference them. I think some time ago it was possible to also use »()«.
 This does not work anymore with
 
 ConTeXt  ver: 2011.11.25 21:29 MKIV  fmt: 2011.11.25  int: 
 english/english
 
 and the following message is in the log file.
 
 references   unknown reference [][(N)]
 
 
 \definereferenceformat[eqref][left=(,right=)]
 
 \starttext
 \placeformula[(N)]
 \startformula
   \Pr\{N = n\} = \Pr\left\{ \min_{1 ≤ k ≤ n} S_k  0 \right\} = 
 p_n^{(1)}
 \stopformula
 
 Is it working? \eqref[(N)]
 
 \CONTEXT\ \contextmark\ \contextversion
 \stoptext

please find the minimal example and the output attached.


Thanks,

Paul


ref.pdf
Description: Adobe PDF document
\definereferenceformat[eqref][left=(,right=)]

\starttext
\placeformula[(N)]
\startformula
	\Pr\{N = n\} = \Pr\left\{ \min_{1 ≤ k ≤ n} S_k  0 \right\} = p_n^{(1)}
\stopformula

Is it working? \eqref[(N)]

\CONTEXT\ \contextmark\ \contextversion
\stoptext


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[NTG-context] Copyright Symbol

2011-12-07 Thread Malte Stien
Hi everyone,

How do I get a copyright symbol in ConTeXt, you know the circle with the 'C' in 
the centre? I expected it to be \textcopyright as in LaTeX, but that does not 
seem to work. Rather than just telling me the answer, where would I look that 
up? Sooner or later I will need other symbols. The special characters listed in 
the manual are quite limited. Is there a list somewhere?

Thank you,
Malte.

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Re: [NTG-context] Copyright Symbol

2011-12-07 Thread Pontus Lurcock
On Thu 08 Dec 2011, Malte Stien wrote:

 How do I get a copyright symbol in ConTeXt, you know the circle with
 the 'C' in the centre? I expected it to be \textcopyright as in
 LaTeX, but that does not seem to work.

If you're using a font which contains the symbol, and if you're using
MkIV, you can just enter © directly as a UTF-8 character in the input
file and it should Just Work. (© may be in your keyboard layout, or
you may need to use some kind of character chooser utility. On the
US-international layout of an Ubuntu Linux system, I get it with
[Right Alt]-c.)

 Rather than just telling me the answer, where would I look that up?
 Sooner or later I will need other symbols. The special characters
 listed in the manual are quite limited. Is there a list somewhere?

For anything you can't get as a unicode character in your main font,
http://wiki.contextgarden.net/Symbols is probably a good place to
start.

Pont
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Re: [NTG-context] Copyright Symbol

2011-12-07 Thread Wolfgang Schuster

Am 08.12.2011 um 05:12 schrieb Malte Stien:

 Hi everyone,
 
 How do I get a copyright symbol in ConTeXt, you know the circle with the 'C' 
 in the centre? I expected it to be \textcopyright as in LaTeX, but that does 
 not seem to work. Rather than just telling me the answer, where would I look 
 that up? Sooner or later I will need other symbols. The special characters 
 listed in the manual are quite limited. Is there a list somewhere?

\starttext
\copyright
\stoptext

Wolfgang
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Re: [NTG-context] Possible bug in \unit

2011-12-07 Thread Mikael P. Sundqvist
On Thu, Dec 8, 2011 at 12:20 AM, Mojca Miklavec
mojca.miklavec.li...@gmail.com wrote:
 On Thu, Dec 8, 2011 at 00:12, Marco wrote:
 On 2011-12-07 Mojca Miklavec wrote:

  \unit{3.4e-5}   yields   to  3.4⁻⁵   that's   expected
  according to the manual.

 But the behaviour is wrong.

 I don't know if it's wrong.

 But 5e3 would render 5^3 which is hopefully still 125.

 It's very non-intuitive, but I
 think Hans had a reason not to include the \cdot 10.

 \cdot 10^{x} is pretty long and might be ugly. But writing out
 exponent without the base is everything but the right approach. Even
 writing out 5e3 is better than that.

 Mojca
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I've seen many people writing 5e3 to mean 5·10³, but I've never seen
5e3 to mean 5³.

The writing 5e3 = 5·10³ is sometimes called the E-notation [1]. Even
though I would never write it like that myself, I vote that 5e3 will
render as 5·10³ (or with \times instead of \cdot).

Best regards, Mikael

[1] http://en.wikipedia.org/wiki/Scientific_notation#E_notation

PS One could ask, however, if this really belongs to a unit package.
In my world it does not, but I can understand if it is convenient to
have there.
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