[NTG-context] \autoinsertedspace fails following \nbsp under LMTX
ConTeXt ver: 2022.11.14 22:58 LMTX on W11 x64
I have been testing the recently added \autoinsertedspace, and I found
an odd failure.
The following compiles with \nbsp commented as shown, but once that line
is active, the compilation fails:
lua error:
callback error:
...MTX/tex/texmf-context/tex/context/base/mkxl/font-hsh.lmt:151:
table index is nil
It fails differently in MkIV (but it is nice to see that the new command
has been backported):
luatex warning > node filter: error:
...MTX/tex/texmf-context/tex/context/base/mkiv/node-nut.lua:380:
Attempt to node.direct.remove() a non-existing node
%<--
\starttexdefinition unexpanded New
\dodoublegroupempty
\doNew
\stoptexdefinition
\starttexdefinition doNew #1#2
\removeunwantedspaces
\ (#1|–|#2)
\autoinsertedspace
\stoptexdefinition
\starttext
ABC 0\New{123}{456} 789
ABC
% \nbsp
0\New{123}{456} 789
\stoptext
Am I doing something wrong here? \nbsp is needed to prevent improper
line breaks.
--
Rik
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Re: [NTG-context] Xml filtering in Lua
On 11/16/2022 10:09 PM, Thomas A. Schmitz via ntg-context wrote: On 11/16/22 21:51, Denis Maier via ntg-context wrote: Just a quick question regarding this? Is xml.filter equivalent to \xmlfilter? If so, how do you pass the match to a command as you'd do with \xmlfilter? I'm still digesting and playing with Massi's reply; will probably be back with more questions :-) Anyway: If you've filtered something out like this local tree = xml.filter (t, "../chapter[@title='mytitle'") always keep in mind that some expressions return a list of matches, that can be looped over and some commands just process the first anyway, it can sometimes help to add print(tstring(tree)) so see what you got 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://www.ntg.nl/mailman/listinfo/ntg-context webpage : https://www.pragma-ade.nl / http://context.aanhet.net archive : https://bitbucket.org/phg/context-mirror/commits/ wiki : https://contextgarden.net ___
Re: [NTG-context] Xml filtering in Lua
On 11/16/22 21:51, Denis Maier via ntg-context wrote:
Just a quick question regarding this?
Is xml.filter equivalent to \xmlfilter? If so, how do you pass the match to a
command as you'd do with \xmlfilter?
I'm still digesting and playing with Massi's reply; will probably be
back with more questions :-)
Anyway:
If you've filtered something out like this
local tree = xml.filter (t, "../chapter[@title='mytitle'")
you can then apply a command to it
lxml.command(lxml.id(tree), ".", "xml:chapter:command")
and have to define the command as
\startxmlsetups xml:chapter:command
\xmltext {#1} {content}
\stopxmlsetups
for example.
Thomas
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Re: [NTG-context] Xml filtering in Lua
Just a quick question regarding this?
Is xml.filter equivalent to \xmlfilter? If so, how do you pass the match to a
command as you'd do with \xmlfilter?
Best,
Denis
> -Ursprüngliche Nachricht-
> Von: ntg-context Im Auftrag von mf via ntg-
> context
> Gesendet: Mittwoch, 16. November 2022 20:56
> An: ntg-context@ntg.nl
> Cc: mf
> Betreff: Re: [NTG-context] Xml filtering in Lua
>
> This works:
>
> local metadata = xml.filter (t, '../../topics/topic[@t:id=="' .. ch_id ..
> '"]')
>
> also this:
>
> local lpath = string.format('../../topics/topic[@t:id=="%s"]', ch_id)
>
> local metadata = xml.filter (t, lpath)
>
>
> It looks like xml.filter supports only 2 arguments (see lxml-tex.lua), and so
> it
> doesn't let you use string formatting patterns like the "context" command
> does.
>
> You can write:
>
> context('the value of @t:id is "%s"', ch_id)
>
> but you can't write:
>
> xml.filter (t, '../../topics/topic[@t:id=="%s"]', ch_id)
>
>
> Best wishes,
>
> Massi
>
> __
> _
> If your question is of interest to others as well, please add an entry to the
> Wiki!
>
> maillist : ntg-context@ntg.nl / https://www.ntg.nl/mailman/listinfo/ntg-
> context
> webpage : https://www.pragma-ade.nl / http://context.aanhet.net archive
> : https://bitbucket.org/phg/context-mirror/commits/
> wiki : https://contextgarden.net
> __
> _
> -Ursprüngliche Nachricht-
> Von: ntg-context Im Auftrag von Thomas A.
> Schmitz via ntg-context
> Gesendet: Mittwoch, 16. November 2022 20:56
> An: mailing list for ConTeXt users
> Cc: Thomas A. Schmitz
> Betreff: Re: [NTG-context] Xml filtering in Lua
>
> On 11/16/22 19:56, mf via ntg-context wrote:
> > local ch_id = t.at["ch:id"]
>
> You're right, of course, using a colon was a stupid idea. When I replace it
> with
> an underscore, you can see that both are in fact identical:
>
> \startbuffer[test]
>
>
>
> This is the first test
> 22/11/16
>
>
> This is the second test
> 22/11/17
>
>
>
>
>
> This will be the content of the first chapter.
>
>
>
>
> This will be the content of the second chapter.
>
>
>
>
> \stopbuffer
>
> \startxmlsetups xml:testsetups
> \xmlsetsetup{#1}{*}{-}
> \xmlsetsetup{#1}{document|chapters|chapter|content|emph}{xml:
> *}
> \stopxmlsetups
>
> \xmlregistersetup{xml:testsetups}
>
> \startxmlsetups xml:document
> \xmlflush{#1}
> \stopxmlsetups
>
> \startxmlsetups xml:chapters
> \xmlflush{#1}
> \stopxmlsetups
>
> \startxmlsetups xml:chapter
> \xmlfunction {#1} {chapter}
> % \xmlflush {#1}
> \stopxmlsetups
>
> \startxmlsetups xml:chapter:content
> \xmltext {#1} {content}
> \stopxmlsetups
>
> \startxmlsetups xml:emph
>{\em \xmlflush {#1}}
> \stopxmlsetups
>
> \startluacode
> function xml.functions.chapter (t)
>local chapter_id = t.at.ch_id
>local other_chapter_id = t.at["ch_id"]
>context (chapter_id)
>context.par ()
>context (other_chapter_id)
>context.par ()
> local metadata = xml.filter (t,
> '../../topics/topic[@t:id=="%s"]',
> ch_id)
> print (inspect(metadata))
> lxml.command(t, ".", "xml:chapter:content")
> context.par ()
> end
> \stopluacode
>
> \starttext
> \xmlprocessbuffer{main}{test}{}
> \stoptext
>
> __
> _
> If your question is of interest to others as well, please add an entry to the
> Wiki!
>
> maillist : ntg-context@ntg.nl / https://www.ntg.nl/mailman/listinfo/ntg-
> context
> webpage : https://www.pragma-ade.nl / http://context.aanhet.net archive
> : https://bitbucket.org/phg/context-mirror/commits/
> wiki : https://contextgarden.net
> __
> _
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Re: [NTG-context] Xml filtering in Lua
This works:
local metadata = xml.filter (t, '../../topics/topic[@t:id=="' .. ch_id
.. '"]')
also this:
local lpath = string.format('../../topics/topic[@t:id=="%s"]', ch_id)
local metadata = xml.filter (t, lpath)
It looks like xml.filter supports only 2 arguments (see lxml-tex.lua),
and so it doesn't let you use string formatting patterns like the
"context" command does.
You can write:
context('the value of @t:id is "%s"', ch_id)
but you can't write:
xml.filter (t, '../../topics/topic[@t:id=="%s"]', ch_id)
Best wishes,
Massi
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Re: [NTG-context] Xml filtering in Lua
On 11/16/22 19:56, mf via ntg-context wrote:
local ch_id = t.at["ch:id"]
You're right, of course, using a colon was a stupid idea. When I replace
it with an underscore, you can see that both are in fact identical:
\startbuffer[test]
This is the first test
22/11/16
This is the second test
22/11/17
This will be the content of the first chapter.
This will be the content of the second chapter.
\stopbuffer
\startxmlsetups xml:testsetups
\xmlsetsetup{#1}{*}{-}
\xmlsetsetup{#1}{document|chapters|chapter|content|emph}{xml:*}
\stopxmlsetups
\xmlregistersetup{xml:testsetups}
\startxmlsetups xml:document
\xmlflush{#1}
\stopxmlsetups
\startxmlsetups xml:chapters
\xmlflush{#1}
\stopxmlsetups
\startxmlsetups xml:chapter
\xmlfunction {#1} {chapter}
%\xmlflush {#1}
\stopxmlsetups
\startxmlsetups xml:chapter:content
\xmltext {#1} {content}
\stopxmlsetups
\startxmlsetups xml:emph
{\em \xmlflush {#1}}
\stopxmlsetups
\startluacode
function xml.functions.chapter (t)
local chapter_id = t.at.ch_id
local other_chapter_id = t.at["ch_id"]
context (chapter_id)
context.par ()
context (other_chapter_id)
context.par ()
local metadata = xml.filter (t,
'../../topics/topic[@t:id=="%s"]', ch_id)
print (inspect(metadata))
lxml.command(t, ".", "xml:chapter:content")
context.par ()
end
\stopluacode
\starttext
\xmlprocessbuffer{main}{test}{}
\stoptext
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Re: [NTG-context] Xml filtering in Lua
Il 16/11/22 18:33, Thomas A. Schmitz via ntg-context ha scritto:
\startbuffer[test]
This is the first test
22/11/16
This is the second test
22/11/17
This will be the content of the first chapter.
This will be the content of the second chapter.
\stopbuffer
\startxmlsetups xml:testsetups
\xmlsetsetup{#1}{*}{-}
\xmlsetsetup{#1}{document|chapters|chapter|content|emph}{xml:*}
\stopxmlsetups
\xmlregistersetup{xml:testsetups}
\startxmlsetups xml:document
\xmlflush{#1}
\stopxmlsetups
\startxmlsetups xml:chapters
\xmlflush{#1}
\stopxmlsetups
\startxmlsetups xml:chapter
\xmlfunction {#1} {chapter}
\xmlflush {#1}
\stopxmlsetups
\startxmlsetups xml:chapter:content
\xmltext {#1} {content}
\stopxmlsetups
\startxmlsetups xml:emph
{\em \xmlflush {#1}}
\stopxmlsetups
\startluacode
function xml.functions.chapter (t)
local ch_id = t.at.ch:id
local ch_id = t.at["ch:id"]
local metadata = xml.filter (t,
'../../topics/topic[@t:id=="%s"]', ch_id)
print (inspect(metadata))
lxml.command(t, ".", "xml:chapter:content")
context.par ()
context (ch_id)
context.par ()
end
\stopluacode
Best wishes,
Massi
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Re: [NTG-context] Do environment files add implicit \starttext ... \stopttext
Denis Maier via ntg-context schrieb am 15.11.2022 um 13:22:
Hi,
if I process an XML buffer, I’ve noticed I need to wrap the
\xmlprocessbuffer in a \starttext ... \stoptext pair.
[...]
However, if I have the XML and the setups in dedicated files, there
seems to be no need for \starttext ... \stoptext.
[...]
Running
context text.xml –environment=setups.tex
gives me a proper PDF without errors.
Therefore my question:
Does the use –environment automatically wrap the processed file in
\starttext ... stoptext ?
If not, what’s the reason for this behaviour? Am I missing something?
ConTeXt uses the file extension to decide who it should handle document,
in your case the extension is xml and the file is processed as
\starttext
\xmlprocess{main}{...}{}
\stoptext
The same thing happens when you have CLD document and use cld as file
extension.
For more details you can look at the processjob function in cont-run.lmt.
Wolfgang
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Re: [NTG-context] Xml filtering in Lua
Hi Duncan,
Thank you for pointing this out! I knew this was true inside the xmlns
namespace, so you can’t have identical xml:id tags, but you’re probably right
that it’s better to avoid this confusion altogether. Alas, this doesn’t help
with my problem. Since there was a type in my minimal example from my
experimentations, I include a corrected version, avoiding the identical tags
All best
Thomas
\startbuffer[test]
This is the first test
22/11/16
This is the second test
22/11/17
This will be the content of the first chapter.
This will be the content of the second chapter.
\stopbuffer
\startxmlsetups xml:testsetups
\xmlsetsetup{#1}{*}{-}
\xmlsetsetup{#1}{document|chapters|chapter|content|emph}{xml:*}
\stopxmlsetups
\xmlregistersetup{xml:testsetups}
\startxmlsetups xml:document
\xmlflush{#1}
\stopxmlsetups
\startxmlsetups xml:chapters
\xmlflush{#1}
\stopxmlsetups
\startxmlsetups xml:chapter
\xmlfunction {#1} {chapter}
\xmlflush {#1}
\stopxmlsetups
\startxmlsetups xml:chapter:content
\xmltext {#1} {content}
\stopxmlsetups
\startxmlsetups xml:emph
{\em \xmlflush {#1}}
\stopxmlsetups
\startluacode
function xml.functions.chapter (t)
local ch_id = t.at.ch:id
local metadata = xml.filter (t,
'../../topics/topic[@t:id=="%s"]', ch_id)
print (inspect(metadata))
lxml.command(t, ".", "xml:chapter:content")
context.par ()
context (ch_id)
context.par ()
end
\stopluacode
> On 16. Nov 2022, at 17:18, Duncan Hothersall via ntg-context
> wrote:
>
> I'm not sure about the code, sorry, but I do know that an XML document can't
> have two IDs of the same value. Typically you would use a linkend attribute
> on the element which is referencing an id (in this case the topics, I think).
>
> Probably doesn't help with your problem, but it's likely a prerequisite for
> it to work.
>
> Bests,
>
> Duncan
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Re: [NTG-context] How to break margin notes across page breaks?
Am 16.11.22 um 03:52 schrieb Joel via ntg-context: How can I allow margin text to break across the page breaks? AFAIK this is not supported. But Hans might surprise us. Hraban ___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / https://www.ntg.nl/mailman/listinfo/ntg-context webpage : https://www.pragma-ade.nl / http://context.aanhet.net archive : https://bitbucket.org/phg/context-mirror/commits/ wiki : https://contextgarden.net ___
Re: [NTG-context] Xml filtering in Lua
Hi Thomas.
I'm not sure about the code, sorry, but I do know that an XML document
can't have two IDs of the same value. Typically you would use a linkend
attribute on the element which is referencing an id (in this case the
topics, I think).
Probably doesn't help with your problem, but it's likely a prerequisite for
it to work.
Bests,
Duncan
On Wed, 16 Nov 2022 at 16:11, Thomas A. Schmitz via ntg-context <
ntg-context@ntg.nl> wrote:
> Hi all,
>
> I thought this was easy, but I overestimated my competence… I want to
> filter xml elements via their attributes and retrieve and typeset parts
> belonging together. Here is a small test file that explains what I’m trying:
>
> \startbuffer[test]
>
>
>
> This is the first test
> 22/11/16
>
>
> This is the second test
> 22/11/17
>
>
>
>
>
> This will be the content of the first chapter.
>
>
>
>
> This will be the content of the second chapter.
>
>
>
>
> \stopbuffer
>
> \startxmlsetups xml:testsetups
> \xmlsetsetup{#1}{*}{-}
> \xmlsetsetup{#1}{document|chapters|chapter|content|emph}{xml:*}
> \stopxmlsetups
>
> \xmlregistersetup{xml:testsetups}
>
> \startxmlsetups xml:document
> \xmlflush{#1}
> \stopxmlsetups
>
> \startxmlsetups xml:chapters
> \xmlflush{#1}
> \stopxmlsetups
>
> \startxmlsetups xml:chapter
> \xmlfunction {#1} {chapter}
> \xmlflush {#1}
> \stopxmlsetups
>
> \startxmlsetups xml:chapter:content
> \xmltext {#1} {content}
> \stopxmlsetups
>
> \startxmlsetups xml:emph
>{\em \xmlflush {#1}}
> \stopxmlsetups
>
> \startluacode
> function xml.functions.chapter (t)
> local ch_id = t.at.id
> local metadata = xml.filter (root,
> '../../topics/topic[@id=="%s"]', ch_id)
> print (inspect(metadata))
> lxml.command(t, ".", "xml:chapter:content")
> context.par ()
> context (ch_id)
> context.par ()
> end
> \stopluacode
>
> \starttext
> \xmlprocessbuffer{main}{test}{}
> \stoptext
>
> The line with xml.filter does not work as I expected. How can I walk the
> tree, find the “topic” element with the same “id” attribute as the chapter
> I’m currently in, and then typeset the different children of the topic
> element?
>
> Thanks a lot and all 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://www.ntg.nl/mailman/listinfo/ntg-context
> webpage : https://www.pragma-ade.nl / http://context.aanhet.net
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> wiki : https://contextgarden.net
>
> ___
>
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[NTG-context] Xml filtering in Lua
Hi all,
I thought this was easy, but I overestimated my competence… I want to filter
xml elements via their attributes and retrieve and typeset parts belonging
together. Here is a small test file that explains what I’m trying:
\startbuffer[test]
This is the first test
22/11/16
This is the second test
22/11/17
This will be the content of the first chapter.
This will be the content of the second chapter.
\stopbuffer
\startxmlsetups xml:testsetups
\xmlsetsetup{#1}{*}{-}
\xmlsetsetup{#1}{document|chapters|chapter|content|emph}{xml:*}
\stopxmlsetups
\xmlregistersetup{xml:testsetups}
\startxmlsetups xml:document
\xmlflush{#1}
\stopxmlsetups
\startxmlsetups xml:chapters
\xmlflush{#1}
\stopxmlsetups
\startxmlsetups xml:chapter
\xmlfunction {#1} {chapter}
\xmlflush {#1}
\stopxmlsetups
\startxmlsetups xml:chapter:content
\xmltext {#1} {content}
\stopxmlsetups
\startxmlsetups xml:emph
{\em \xmlflush {#1}}
\stopxmlsetups
\startluacode
function xml.functions.chapter (t)
local ch_id = t.at.id
local metadata = xml.filter (root,
'../../topics/topic[@id=="%s"]', ch_id)
print (inspect(metadata))
lxml.command(t, ".", "xml:chapter:content")
context.par ()
context (ch_id)
context.par ()
end
\stopluacode
\starttext
\xmlprocessbuffer{main}{test}{}
\stoptext
The line with xml.filter does not work as I expected. How can I walk the tree,
find the “topic” element with the same “id” attribute as the chapter I’m
currently in, and then typeset the different children of the topic element?
Thanks a lot and all best
Thomas
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___
Re: [NTG-context] Page break with placement of a figure at the bottom of the page
Hi Bruce and Pablo, I'm sorry for the late reply but I'm running out of time right now. Thanks for trying to solve the problem. I think the problem comes from the pyramid.png file. Fabrice Le mer. 16 nov. 2022 à 14:55, Fabrice Couvreur a écrit : > Hi Bruce and Pablo, > I'm sorry for the late reply but I'm running out of time right now. Thanks > for trying to solve the problem. I think the problem comes from the > pyramid.png file. > Fabrice > > Le dim. 13 nov. 2022 à 14:37, Pablo Rodriguez via ntg-context < > ntg-context@ntg.nl> a écrit : > >> On 11/13/22 11:32, Fabrice Couvreur via ntg-context wrote: >> > Hi Pablo, >> > Indeed but I posted these two files in a previous post. >> >> Hi Fabrice, >> >> the output from your ie_3.tex is too big for the list, so >> https://pdf.ousia.tk/ie_3.pdf contains it. >> >> I see no problem there, but I think that the output from >> https://mailman.ntg.nl/pipermail/ntg-context/2022/107191.html may come >> from a different source. >> >> BTW, I couldn’t find "ie_3.tex" in >> https://mailman.ntg.nl/pipermail/ntg-context/2022.txt.gz (which seems to >> be generated with messages previous to current date). >> >> If you sent the files before, it is fine to include a link to the >> relevant message in the list (such as the first link included in this >> message). >> >> BTW, it might be worth considering a GitHub or GitLab repository for not >> minimal samples. There files may be stored (and the whole repository >> might be deleted when not needed). >> >> I hope it helps, >> >> Pablo >> >> ___ >> If your question is of interest to others as well, please add an entry to >> the Wiki! >> >> maillist : ntg-context@ntg.nl / >> https://www.ntg.nl/mailman/listinfo/ntg-context >> webpage : https://www.pragma-ade.nl / http://context.aanhet.net >> archive : https://bitbucket.org/phg/context-mirror/commits/ >> wiki : https://contextgarden.net >> >> ___ >> > ___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / https://www.ntg.nl/mailman/listinfo/ntg-context webpage : https://www.pragma-ade.nl / http://context.aanhet.net archive : https://bitbucket.org/phg/context-mirror/commits/ wiki : https://contextgarden.net ___
Re: [NTG-context] Do environment files add implicit \starttext ... \stopttext
> -Ursprüngliche Nachricht- > Von: ntg-context Im Auftrag von Pablo > Rodriguez via ntg-context > Gesendet: Dienstag, 15. November 2022 16:07 > An: Denis Maier via ntg-context > Cc: Pablo Rodriguez > Betreff: Re: [NTG-context] Do environment files add implicit \starttext ... > \stopttext > > On 11/15/22 13:22, Denis Maier via ntg-context wrote: > > Hi, > > > > if I process an XML buffer, I’ve noticed I need to wrap the > > \xmlprocessbuffer in a \starttext ... \stoptext pair. > > [] > > However, if I have the XML and the setups in dedicated files, there > > seems to be no need for \starttext ... \stoptext. > > [] > > Therefore my question: > > > > Does the use –environment automatically wrap the processed file in > > \starttext ... stoptext ? > > Hi Denis, > > try a source file with this contents: > > \ConTeXt\ is great. > > with the following environment: > > \setuppapersize[A6] > \setupbodyfont[pagella] > > It looks like when --environment is used, ConTeXt assumes that the main > source only contains text. Which makes sense (at least, to me). > Thanks, Pablo. Yes, that makes sense. Denis ___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / https://www.ntg.nl/mailman/listinfo/ntg-context webpage : https://www.pragma-ade.nl / http://context.aanhet.net archive : https://bitbucket.org/phg/context-mirror/commits/ wiki : https://contextgarden.net ___
