[NTG-context] Indentation in headings
Greetings, As per Russian GOST standards, numbered section headings are flush left and start with the paragraph indent. Is there a proper way to indent a section heading? The code simulates what I want visually, but it unfortunately causes the heading to poke out into the margins. That can be troublesome if the title is long enough. Example code to tinker with: \setupindenting[yes, 2.5em, first] \setuphead[section][ style=\bf, align=flushleft, distance=1em, indentnext=yes, ] \showframe \startdocument \startsection[title=Foo] \input dijkstra \stopsection \startsection[title=Very long section title that makes you question the author's writing capabilities] \input dijkstra \stopsection \setuphead[section][ style=\bf, align=flushleft, distance=1em, indentnext=yes, before=\blank[2*big]\indentation, ] \startsection[title=Foo] \input dijkstra \stopsection \startsection[title=Very long section title that makes you question the author's writing capabilities] \input dijkstra \stopsection \stopdocument ___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / https://mailman.ntg.nl/mailman3/lists/ntg-context.ntg.nl webpage : https://www.pragma-ade.nl / https://context.aanhet.net (mirror) archive : https://github.com/contextgarden/context wiki : https://wiki.contextgarden.net ___
[NTG-context] Re: Indentation in headings
Kirill Davidov schrieb am 14.09.2024 um 08:59:
Greetings,
As per Russian GOST standards, numbered section headings are flush left
and start with the paragraph indent. Is there a proper way to indent a
section heading? The code simulates what I want visually, but it
unfortunately causes the heading to poke out into the margins. That can
be troublesome if the title is long enough.
Example code to tinker with:
[...]
You have to use the narrow environment and apply it with the beforehead
and afterhead command and in addition enable the aligntitle option.
begin example
\setupindenting
[yes, 2.5em, first]
\setuphead
[section]
[
align=flushleft,
beforehead={\startnarrow[left=\parindent][left]},
afterhead=\stopnarrow,
aligntitle=yes,
indentnext=yes,
]
\showframe
\startdocument
\startsection[title=Very long section title that makes you question the
author's writing capabilities]
\input dijkstra
\stopsection
\stopdocument
end example
Wolfgang
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[NTG-context] Re: Indentation in headings
On 9/14/24 12:41, Wolfgang Schuster wrote: > You have to use the narrow environment and apply it with the > beforehead and afterhead command and in addition enable the aligntitle > option. > > Wolfgang Yeah, that does seem to work. Thanks! ___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / https://mailman.ntg.nl/mailman3/lists/ntg-context.ntg.nl webpage : https://www.pragma-ade.nl / https://context.aanhet.net (mirror) archive : https://github.com/contextgarden/context wiki : https://wiki.contextgarden.net ___
[NTG-context] Re: Validation of pdf/A-2a
Hello Hans,
thanks for the detailed answer. Now it works!
I didn't realise until now that pdf is also messy. In my job I have
enough to do with the fact that some products never work as they should
("Mr Gates has won and now we have to use his products.’ - said our
former head of IT). I have nothing to do with IT, I am a scientist.
I am grateful for LaTeX, and of course I thank you, Hans, for ConTeXt!
I can only emphasise that I am just a user who keeps turning to lists
for support.
Thank you for your time and patience.
Have a nice weekend
Thomas
Am 13.09.24 um 11:59 schrieb Hans Hagen via ntg-context:
On 9/13/2024 9:51 AM, Thomas Meyer wrote:
Oh, I'm afraid that my “I hope for the future.” has now led to a
misunderstanding.
I would like to archive my documents as pdf/A-2a. As a reference to
the German Bundesarchiv, which recommends pdf/A-2a in the first
instance - and pdf/A-2u in the second.
I simply noticed that, as described in my initial email, the pdf/A-1a
and pdf/A-2a variants do not pass the validation test with verapdf.
Since there seems to be no way around this, I will probably have to
fall back on the second recommendation.
You cna try this:
\setupinteraction
[title=TITLE,
subtitle=SUBTITLE,
author=AUTHOR,
keyword={{KEYWORD1, KEYWORD2}, KEYWORD3}]
\setupbackend
[format={pdf/a-2a},
profile={default_cmyk.icc,default_rgb.icc,default_gray.icc}]
\setuptagging
[state=start]
\enabledirectives
[backend.usetags=mkiv]
\starttext
\chapter[chap:testing]{Testing}
\input knuth
\input tufte
\stoptext
This validates in the verapdf that i have installed (1.25.271).
So, you choose some standard (which we try to accomodate as good as
possible but who knows ... this one is a bloated one due to the icc
profiles). As you want tags we enable that (no need for it as long as
one is not finished with the document unless one wants to trace). We
also load the the old school mkiv mapping.
You can define your own mappings if needed. After looking into the
latest greatest volatile specifications Mikael and I decided that we
don't want to be waste too much time on it (at least not now as we hav
emore interestign thinsg to work on) and settled for what validates
and let users themselves decide. We mostly aim(ed) at making the
university enforced tools happy.
Structure in pdf is (to put it mildly) a mess, insufficient and never
will be (conceptually) okay, which is probably why it keeps being
adapted to what some applications can support or not. We don't want to
cripple what structure in ConTeXt we have. For the long time
accessibility tagging (there are other kinds of tagging being in use)
has been around for a quite vwhile now it has been the domain of
acrobat professional toolkit so in a broader context it is kind of
useless anyeay.
(One can wonder what organizations demanding it really have in mind,
given that older stuff doesn't validate and probably no one ever
checked how useful it is. But that's often the case with standrads
like this: some checkbox ticks so we're okay.)
So, the best we can do is to provide some flexibility, as usual in tex
tools,
Hans
-
Hans Hagen | PRAGMA ADE
Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
-
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[NTG-context] Re: Validation of pdf/A-2a
On 9/14/2024 10:14 AM, Thomas Meyer wrote: I can only emphasise that I am just a user who keeps turning to lists for support. Which is what the list is for, so okay, Hans - Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl - ___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / https://mailman.ntg.nl/mailman3/lists/ntg-context.ntg.nl webpage : https://www.pragma-ade.nl / https://context.aanhet.net (mirror) archive : https://github.com/contextgarden/context wiki : https://wiki.contextgarden.net ___
[NTG-context] Re: ConTeXt LMTX 2024, \setupalign: Is the "Nicer justification and microtypography" list of options listed in ConTeXt Garden now obselete?
Felix schrieb am 14.09.2024 um 06:13:
When I try to use a combination (example =
\setupalign[normal,extremestretch,verytolerant,hangingboth,fullhz,hyphenated,]
)
and just normal
I seem to be getting the same result when I try to load in a big paragraph.
However, there is an obvious difference between me entering (just) flushleft,
normal, flushright.
Have those options become obsolete? how am I supposed to know?
Whether there is a difference or not depends on your text, when you have
a wide
text block and short words TeX can produce good results without the need for
additional parameters but when you have a narrow text blocks (e.g. for
text in
columns) or long words you need additional settings.
The example below shows how different options can result in different
line breaks
but not all sample text produce the same effect, sometimes you get the
same result
with and without verytolerant etc.
Don't forget to enable expansion and protrusion before you use the
hanging and hz
options because they need these font features.
begin example
\definefontfeature [default] [default]
[expansion=quality,protrusion=quality]
\setuppapersize [A5]
\defineframed
[Example]
[width=max,
offset=none,
framecolor=lightgray]
\starttext
\startprocesscommalist[normal,{normal,verytolerant},{normal,stretch},{normal,hanging},{normal,hz}]
\starttitle[title=\currentcommalistitem]
\startframed[Example][align=\currentcommalistitem]
\samplefile{tufte}
\stopframed
\stoptitle
\stopprocesscommalist
\stoptext
end example
Wolfgang
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[NTG-context] Re: (ConTeXt LMTX 2024, monospace font) Why does monospaced text go out of the margin for me? is this supposed to happen?
Felix schrieb am 14.09.2024 um 06:40:
https://pastebin.com/2ce1xSYf
The code linked above has 3 paragraphs. One in TImes New Roman, the other in
Aptos and the last in Aptos Mono.
The paragraph with \tt seems to go over my margin of .5 inches for the left and
right side of my doc., but the serif and sans serif text doesn't. I can't seem
to figure out why exactly this is.
Did I set up \setuplayout incorrectly? I wanted .5in margins but I kind of
'hacked' the way I got things. Is there a better way that I could have gotten
.5 inch margins and a.5in header/footer? I can't seem to understand why the
output is what it is. I would greatly appreciate any help!
Feel free to switch out the fonts if you'd like
You're trying to justify a text with a fixed width font which fails
because the often have a fixed width space. When you have a space a
fixed width TeX can stretch or shrink the space between the word to
align them with the right margin.
The best solution is to disable justification and use ragged text on the
right side. An alternative is to allow bigger spaces between words but
as you can see in the following example the gaps between words can be
quite large.
begin example
\showframe
\setupbodyfont[tt]
\starttext
\samplefile{zapf}
\blank
\start \setuptolerance[space]
\samplefile{zapf}
\par \stop
\stoptext
end example
Wolfgang
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[NTG-context] Unexpected behaviour of apa-bibliography
I do not know anything about the apa-standard, so I do not know if my rendering
follows the standard.
The first appearance of the author in the bibliography is marked with year-b
(1847b), the second with year-a (1847a). I expected the first to be marked with
year-a and the second with year-b.
Citing multiple references in one \cite[] only 2 out of 3 righttexts appear.
When using
\setupbtx[apa:cite][sorttype=none]
all 3 righttexts appear but the characters after the year disappear.
Is there a way to fix that behaviour?
Thank you. Have a nice weekend.
Matthias
\startbuffer[bibliography]
@book{spratt_Travels2_1847,
title = {Travels},
volume = {2},
publisher = {Voorst},
author = {Spratt and Forbes},
year = {1847},
}
@book{spratt_Travels1_1847,
title = {Travels},
volume = {1},
publisher = {Voorst},
author = {Spratt and Forbes},
year = {1847},
}
@book{test,
title = {Title-Test},
publisher = {Publisher-Test},
author = {Author-Test},
year = {2000},
}
\stopbuffer
\definebtxdataset[asia]
\usebtxdataset[asia][bibliography.buffer]
\setupbtx[
dataset=asia,
specification=apa,
]
\usebtxdefinitions[apa]
\setupbtxrendering[asia][
dataset=asia,
sorttype=authoryear,
]
% \setupbtx[apa:cite][sorttype=none]
\starttext
single citing:\\
\cite[righttext={{text 1: Vol. 1}}][spratt_Travels1_1847] \\
\cite[righttext={{text 2: Vol. 2}}][spratt_Travels2_1847]\\
\cite[righttext={{text 3: Test}}][test]
multiple citing:\\
\cite[righttext={{text 1: Vol. 1},{text 2: Vol. 2},{text 3:
Test}}][spratt_Travels1_1847,spratt_Travels2_1847,test]
\blank[2*line]
\placebtxrendering[asia][method=global]
\stoptext
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[NTG-context] Margins using 2UP imposition schema
Hello:
I'm composing an A5 booklet printed on an A4 paper using the 2UP
imposition schema. I believe, in such case, margins should be
controlled using 'backspace' and 'cutspace' options of the \setuplayout
command, but I'm afraid I don't quite understand how to use those
properl. I want to make the 'external' margin (right on odd pages and
left on even pages) as small as possible, and the 'internal' margin
larger, so that I can hole punch the booklet.
I believe, in such case, margins should be controlled using 'backspace'
and 'cutspace' options of the \setuplayout command, but I'm afraid I
don't quite understand how to use those properly. Here's a minimal
example:
\setuppapersize[A5][A4]
\setuparranging[2UP,rotated]
\setuplayout
[topspace=13pt,
backspace=30pt,
cutspace=-20pt,
width=fit,
height=fit,
header=0pt,
footer=0pt]
\setuppagenumbering[state=stop]
\setupbodyfont[small]
\starttext
\dorecurse{20}{\input tufte \vskip 1em}
\stoptext
I wonder how I could reduce the left margin and increase the left one on
the even pages.
Any pointers, please?
Thank you so much in advance.
Ángel
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[NTG-context] Calling C code from ConTeXt LMTX
Hello,
TL;DR: Could building LuaMetaTeX with the `-fPIC` flag for the Lua library
have negative consequences? Is there a better way to be able to call
external C functions from ConTeXt?
I am working on a small project where it would be convenient to call
functions written in C (possibly pre-compiled in a shared library) from
ConTeXt. After looking at the Lua FFI, I found a way that seems to work
(with ConTeXt LMTX 2024-08-16) but requires a small tweak to the cmake file
used for building the Lua library. I would be grateful to have the opinion
of people more knowledgeable than I am about whether this change could have
negative consequences and whether there is a more straightforward way to
call external C code.
What I am trying to achieve is:
* Compile some C code in a shared library (for instance, it may contain a
numerical solver for some partial differential equation).
* Have this code run when compiling a document with ConTeXt. (For instance,
solving the differential equation with parameters defined in the .tex file
and retrieving the results to plot a figure with MetaPost.)
One easy way to do that is:
* Write wrappers for the functions that will need to be called from ConTeXt
using the Lua C API.
* Compile the code and wrappers in a shared library and linking to the
static lua library used by LuaMetaTeX (liblua.a on Linux).
* In the .tex file, import the new library using, e.g.,
```
\startluacode
mylib = require("mylib")
-- additional code using the C functions
\stopluacode
```
* Run ConTeXt with the `--permitloadlib` flag.
However, the second step requires (at least on Linux) liblua.a to be
compiled with the `-fPIC` flag. I could do that by adding
```
set_property(TARGET lua PROPERTY POSITION_INDEPENDENT_CODE ON)
```
at line 47 in lua.cmake. Is there any known negative effect of doing that
(apart from a possible small performance drop)?
(Just to be clear, this is not a feature request; I'm just wondering
whether doing it on my side is fine.)
On a related note, is there a standard way to call external C functions
(either in a shared library or in a .c file) from ConTeXt LMTX? The SwigLib
library described in
https://www.pragma-ade.nl/general/manuals/swiglib-mkiv.pdf looks very
promising (and maybe could be a way to achieve what I'm trying to do in a
much cleaner way), but I (maybe for lack of trying hard enough) have not
been able to make it work with ConTeXt LMTX so far.
Best regards,
Florent
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[NTG-context] Re: Margins using 2UP imposition schema
On 9/14/24 19:08, Angel M Alganza wrote: I wonder how I could reduce the left margin and increase the left one on the even pages. Any pointers, please? Thank you so much in advance. Ángel You need to tell ConTeXt that you want to have a doublesided layout. This is achieved with \setuppagenumbering [alternative=doublesided] You can (and should) read about it in the wiki: https://wiki.contextgarden.net/Page_Layout#Defining_the_layout Best Thomas ___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / https://mailman.ntg.nl/mailman3/lists/ntg-context.ntg.nl webpage : https://www.pragma-ade.nl / https://context.aanhet.net (mirror) archive : https://github.com/contextgarden/context wiki : https://wiki.contextgarden.net ___
