Grey background for pages belonging to last section of every chapter

Grey background for pages belonging to last section of every chapter

[Rob Heusdens]

Hello list,

For the last section of every chapter I want a grey background for the
text, which otherwise should look the same as every other section, except
that it starts on a new page (I can set that by defining my own section
command).

The last section summarizes the chapter.

My current implementation is using a frame:


\defineframed[achtergrond]
    [frame=off,
    background=color,
    backgroundcolor=gray,
    width=fit,
    height=fit,
    offset=2ex,
    align={flushleft,nothyphenated,verytolerant}]

And use it as:

\achtergrond{
\section{Last section}

\startitemize[n]
\item ...
\stopitemize
}

But this does not accomodate sections longer then a page. And I can't
place \page command in the middle of an itemize, and using \stopitemize,
\startitemize[continue] makes the pages vary in sizes.

Is there some way to achieve the desired effect (grey background behind
the text, and otherwise page layour identical to other sections) without
the problem that text exceeds the page size?

Greetings,

Rob

PS. The defined frame is also used elsewhere, but the last section should
in fact not have normal alignment like the other sections.


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___________________________________________________________________________________

Re: Grey background for pages belonging to last section of every chapter

[Rob Heusdens]

> Hello list,
>
> For the last section of every chapter I want a grey background for the
> text, which otherwise should look the same as every other section, except
> that it starts on a new page (I can set that by defining my own section
> command).
>
> The last section summarizes the chapter.
>
> My current implementation is using a frame:
>
>
> \defineframed[achtergrond]
>     [frame=off,
>     background=color,
>     backgroundcolor=gray,
>     width=fit,
>     height=fit,
>     offset=2ex,
>     align={flushleft,nothyphenated,verytolerant}]
>
> And use it as:
>
> \achtergrond{
> \section{Last section}
>
> \startitemize[n]
> \item ...
> \stopitemize
> }
>
> But this does not accomodate sections longer then a page. And I can't
> place \page command in the middle of an itemize, and using \stopitemize,
> \startitemize[continue] makes the pages vary in sizes.
>
> Is there some way to achieve the desired effect (grey background behind
> the text, and otherwise page layour identical to other sections) without
> the problem that text exceeds the page size?
>
> Greetings,
>
> Rob
>
> PS. The defined frame is also used elsewhere, but the last section should
> in fact not have normal alignment like the other sections.
>
>
>

What perhaps fixes this problem is defining my own section command like this:

\definehead[summary][section]

\setuphead[summary]
     [
     number=no,
     style=bold,
     before={\page\setupbackgrounds[text][text][state=start]
                                   [background=color,backgroundcolor=gray]},
     after={\setupbackgrounds[text][text][state=stop]}
     ]

According to the wiki
(http://wiki.contextgarden.net/Command/setupbackgrounds) that should work,
but Context doesn't seem to understand the syntax and prints the part:
"[background=color,backgroundcolor=gray]" before the section title.

What did I do wrong?

Greetings,

Rob



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___________________________________________________________________________________

Re: Grey background for pages belonging to last section of every chapter

[Wolfgang Schuster]

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> Am 30.01.2015 um 17:18 schrieb Rob Heusdens <robheus@xs4all.nl>:
> 
>> Hello list,
>> 
>> For the last section of every chapter I want a grey background for the
>> text, which otherwise should look the same as every other section, except
>> that it starts on a new page (I can set that by defining my own section
>> command).
>> 
>> The last section summarizes the chapter.
>> 
>> My current implementation is using a frame:
>> 
>> 
>> \defineframed[achtergrond]
>>    [frame=off,
>>    background=color,
>>    backgroundcolor=gray,
>>    width=fit,
>>    height=fit,
>>    offset=2ex,
>>    align={flushleft,nothyphenated,verytolerant}]
>> 
>> And use it as:
>> 
>> \achtergrond{
>> \section{Last section}
>> 
>> \startitemize[n]
>> \item ...
>> \stopitemize
>> }
>> 
>> But this does not accomodate sections longer then a page. And I can't
>> place \page command in the middle of an itemize, and using \stopitemize,
>> \startitemize[continue] makes the pages vary in sizes.
>> 
>> Is there some way to achieve the desired effect (grey background behind
>> the text, and otherwise page layour identical to other sections) without
>> the problem that text exceeds the page size?
>> 
>> Greetings,
>> 
>> Rob
>> 
>> PS. The defined frame is also used elsewhere, but the last section should
>> in fact not have normal alignment like the other sections.
>> 
>> 
>> 
> 
> What perhaps fixes this problem is defining my own section command like this:
> 
> \definehead[summary][section]
> 
> \setuphead[summary]
>     [
>     number=no,
>     style=bold,
>     before={\page\setupbackgrounds[text][text][state=start]
>                                   [background=color,backgroundcolor=gray]},
>     after={\setupbackgrounds[text][text][state=stop]}
>     ]
> 
> According to the wiki
> (http://wiki.contextgarden.net/Command/setupbackgrounds <http://wiki.contextgarden.net/Command/setupbackgrounds>) that should work,
> but Context doesn't seem to understand the syntax and prints the part:
> "[background=color,backgroundcolor=gray]" before the section title.
> 
> What did I do wrong?

1. Put both assignments in the same argument, i.e. change

    \setupbackgrounds[text][text][state=start][background=color,backgroundcolor=gray]

to

    \setupbackgrounds[text][text][state=start,background=color,backgroundcolor=gray]

2. You have to finish the page before you disable the coloured background.

  after={\page\setupbackgrounds[…]}

Wolfgang

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___________________________________________________________________________________

Re: Grey background for pages belonging to last section of every chapter

[Rob Heusdens]

>
>> Am 30.01.2015 um 17:18 schrieb Rob Heusdens <robheus@xs4all.nl>:
>>
>>> Hello list,
>>>
>>> For the last section of every chapter I want a grey background for the
>>> text, which otherwise should look the same as every other section,
>>> except
>>> that it starts on a new page (I can set that by defining my own section
>>> command).
>>>
>>> The last section summarizes the chapter.
>>>
>>> My current implementation is using a frame:
>>>
>>>
>>> \defineframed[achtergrond]
>>>    [frame=off,
>>>    background=color,
>>>    backgroundcolor=gray,
>>>    width=fit,
>>>    height=fit,
>>>    offset=2ex,
>>>    align={flushleft,nothyphenated,verytolerant}]
>>>
>>> And use it as:
>>>
>>> \achtergrond{
>>> \section{Last section}
>>>
>>> \startitemize[n]
>>> \item ...
>>> \stopitemize
>>> }
>>>
>>> But this does not accomodate sections longer then a page. And I can't
>>> place \page command in the middle of an itemize, and using
>>> \stopitemize,
>>> \startitemize[continue] makes the pages vary in sizes.
>>>
>>> Is there some way to achieve the desired effect (grey background behind
>>> the text, and otherwise page layour identical to other sections)
>>> without
>>> the problem that text exceeds the page size?
>>>
>>> Greetings,
>>>
>>> Rob
>>>
>>> PS. The defined frame is also used elsewhere, but the last section
>>> should
>>> in fact not have normal alignment like the other sections.
>>>
>>>
>>>
>>
>> What perhaps fixes this problem is defining my own section command like
>> this:
>>
>> \definehead[summary][section]
>>
>> \setuphead[summary]
>>     [
>>     number=no,
>>     style=bold,
>>     before={\page\setupbackgrounds[text][text][state=start]
>>                                   [background=color,backgroundcolor=gray]},
>>     after={\setupbackgrounds[text][text][state=stop]}
>>     ]
>>
>> According to the wiki
>> (http://wiki.contextgarden.net/Command/setupbackgrounds
>> <http://wiki.contextgarden.net/Command/setupbackgrounds>) that should
>> work,
>> but Context doesn't seem to understand the syntax and prints the part:
>> "[background=color,backgroundcolor=gray]" before the section title.
>>
>> What did I do wrong?
>
> 1. Put both assignments in the same argument, i.e. change
>
>     \setupbackgrounds[text][text][state=start][background=color,backgroundcolor=gray]
>
> to
>
>     \setupbackgrounds[text][text][state=start,background=color,backgroundcolor=gray]
>
> 2. You have to finish the page before you disable the coloured background.
>
>   after={\page\setupbackgrounds[…]}
>
> Wolfgang

Hello Wolfgang,

Yes, of course! I misinterpreted it, but now I see there is in fact only 3
options, not 4. I was misdirected by the 4 lines displayed below the
command explaining the syntax.

Problem is however resetting the background. In the after option of
\setuphead will not work, the \page is ejected directly after the section
title. I want to reset to normal background after the section itself
finishes. After this special section (summary) always a new chapter begins
(except perhaps the last summary).

Should I add that manually as the last command of every summary (where
also the chapter ends), or is there some way to perform a command after
the summary itself (at the location where one would place \stopsummary if
using the \startsummary syntax) ends?

The background should only be displayed behind the text itself, not the
whole text area (so if a section ends halfway of the page, the bottom part
should have no background) with some extra space surrounding it
(above,below,left,right) using the offset or perhaps backgroundoffset
options of \setupframed).


Greetings,

Rob

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___________________________________________________________________________________

Re: Grey background for pages belonging to last section of every chapter

[Wolfgang Schuster]

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> Am 30.01.2015 um 18:17 schrieb Rob Heusdens <robheus@xs4all.nl>:
> 
> Problem is however resetting the background. In the after option of
> \setuphead will not work, the \page is ejected directly after the section
> title. I want to reset to normal background after the section itself
> finishes. After this special section (summary) always a new chapter begins
> (except perhaps the last summary).
> 
> Should I add that manually as the last command of every summary (where
> also the chapter ends), or is there some way to perform a command after
> the summary itself (at the location where one would place \stopsummary if
> using the \startsummary syntax) ends?
> 
> The background should only be displayed behind the text itself, not the
> whole text area (so if a section ends halfway of the page, the bottom part
> should have no background) with some extra space surrounding it
> (above,below,left,right) using the offset or perhaps backgroundoffset
> options of \setupframed).

Use text backgrounds.

\definetextbackground
  [SummaryBackground]
  [frame=off,
   background=color,
   backgroundcolor=gray]

\definehead[summary][section]

\setuphead
  [summary]
  [before=,
   beforesection={\blank\starttextbackground[SummaryBackground]},
   aftersection={\stoptextbackground\blank}]

\starttext

\startsection[title=Knuth]

\input{knuth}

\stopsection

\startsummary[title=Zapf]

\input{zapf}

\stopsummary

\stoptext

Wolfgang

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___________________________________________________________________________________

Re: Grey background for pages belonging to last section of every chapter

[Rob Heusdens]

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> Use text backgrounds.
>
> \definetextbackground
>   [SummaryBackground]
>   [frame=off,
>    background=color,
>    backgroundcolor=gray]
>
> \definehead[summary][section]
>
> \setuphead
>   [summary]
>   [before=,
>    beforesection={\blank\starttextbackground[SummaryBackground]},
>    aftersection={\stoptextbackground\blank}]
>
> \starttext
>
> \startsection[title=Knuth]
>
> \input{knuth}
>
> \stopsection
>
> \startsummary[title=Zapf]
>
> \input{zapf}
>
> \stopsummary
>
> \stoptext
>
> Wolfgang

Hello Wolfgang,

Your example works. After adjusting the \summary to using \startsummary,
\stopsummary, and using your code, with only minor additions, as below:

\definetextbackground
  [SummaryBackground]
  [frame=off,
   background=color,
   backgroundcolor=gray,
   backgroundoffset=2ex] % <- added

\definehead[summary][section]

\setuphead[summary]
    [number=no,     % <- added
    style=bold,     % <- added
    before=,
    beforesection={\page\starttextbackground[SummaryBackground]}, % <-
changed \blank to \page
    aftersection={\stoptextbackground\page}] % <- changed \blank to \page

I get some unwanted result. See the picture.

The bold does not show up, and a small portion of the topleft corner of
the background frame is missing....

Changing bold to italic also has no effect.

Something strange....

Also trying with \blank instead of \page, the background then starts right
after the previous section, and it seems the indentation causes the
missing background on the first line.

So I placed "\noindentation\page" into beforesection (replacing \blank)
and get the background result I want, but still the bold is missing in the
summary title, and too much whitespace appears before the section title.

The title should be placed in the same position as normal text would
appear (and as a side note: in fact I am copying a style that was used in
a printed book that I typeset, in which each section title - except for
the summary - is just a normal sentence (or 2) typeset bold, with the rest
of the text appearing after the section title just as after a normal
sentence, so no vertical space between title and first sentence of the
section. Since it appears in the content also, I had to use section
commands, but is this behaviour duplicatable using setuphead for section?)


How can I adjust that?

Greetings,

Rob

(my context version is  2014.12.03 18:26)

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___________________________________________________________________________________

Re: Grey background for pages belonging to last section of every chapter

[Wolfgang Schuster]

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> Am 30.01.2015 um 19:28 schrieb Rob Heusdens <robheus@xs4all.nl>:
> 
>> Use text backgrounds.
>> 
>> \definetextbackground
>>  [SummaryBackground]
>>  [frame=off,
>>   background=color,
>>   backgroundcolor=gray]
>> 
>> \definehead[summary][section]
>> 
>> \setuphead
>>  [summary]
>>  [before=,
>>   beforesection={\blank\starttextbackground[SummaryBackground]},
>>   aftersection={\stoptextbackground\blank}]
>> 
>> \starttext
>> 
>> \startsection[title=Knuth]
>> 
>> \input{knuth}
>> 
>> \stopsection
>> 
>> \startsummary[title=Zapf]
>> 
>> \input{zapf}
>> 
>> \stopsummary
>> 
>> \stoptext
>> 
>> Wolfgang
> 
> Hello Wolfgang,
> 
> Your example works. After adjusting the \summary to using \startsummary,
> \stopsummary, and using your code, with only minor additions, as below:
> 
> \definetextbackground
>  [SummaryBackground]
>  [frame=off,
>   background=color,
>   backgroundcolor=gray,
>   backgroundoffset=2ex] % <- added
> 
> \definehead[summary][section]
> 
> \setuphead[summary]
>    [number=no,     % <- added
>    style=bold,     % <- added
>    before=,
>    beforesection={\page\starttextbackground[SummaryBackground]}, % <-
> changed \blank to \page
>    aftersection={\stoptextbackground\page}] % <- changed \blank to \page
> 
> I get some unwanted result. See the picture.
> 
> The bold does not show up, and a small portion of the topleft corner of
> the background frame is missing....
> 
> Changing bold to italic also has no effect.
> 
> Something strange....
> 
> Also trying with \blank instead of \page, the background then starts right
> after the previous section, and it seems the indentation causes the
> missing background on the first line.
> 
> So I placed "\noindentation\page" into beforesection (replacing \blank)
> and get the background result I want, but still the bold is missing in the
> summary title, and too much whitespace appears before the section title.
> 
> The title should be placed in the same position as normal text would
> appear (and as a side note: in fact I am copying a style that was used in
> a printed book that I typeset, in which each section title - except for
> the summary - is just a normal sentence (or 2) typeset bold, with the rest
> of the text appearing after the section title just as after a normal
> sentence, so no vertical space between title and first sentence of the
> section. Since it appears in the content also, I had to use section
> commands, but is this behaviour duplicatable using setuphead for section?)
> 
> 
> How can I adjust that?

Make a working minimal example which shows the problem because I’cant
reproduce the problems you mention.

Wolfgang

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___________________________________________________________________________________

Re: Grey background for pages belonging to last section of every chapter

[Rob Heusdens]

> Make a working minimal example which shows the problem because I’cant
> reproduce the problems you mention.
>
> Wolfgang

Hello Wofgang,

So far I am unable of re-producing the missing bold description for
summary section titles (and all of  sudden, the summary titles no longer
show up in the TOC either even though 'summary' is included in the
definedcombinedlist , although the page still shows with empty title).

This example does however show that the alignment to the section title of
summary sections does not line up properly with normal section text. It's
a bit too low. How to fix that?

And another thing, the background sometimes extends to a new page even
though there is no text, which looks silly. Deleting the \blank in the
\setupheads entry for the option after does not help.

Below is the code.

Greetings,

Rob

% test background
\setupwhitespace[none]
\setupindenting[yes, small, next]
\setuppagenumbering[alternative=doublesided]

\definetextbackground
  [SummaryBackground]
  [frame=off,
   background=color,
   backgroundcolor=gray,
   backgroundoffset=2ex]

\definehead[summary][section]

\setuphead
  [summary]
  [number=no,
   style=bold,
   before=,
   beforesection={\noindentation\page\starttextbackground[SummaryBackground]},
   aftersection={\stoptextbackground\blank}]

\setuphead[section][number=no,style=bold]


\definecombinedlist[content][section,summary]
\setupcombinedlist[content][level=4, alternative=c]

\starttext
\completecontent
\page
\dorecurse{9}{
\startsection[title={Knuth -- \recurselevel}]

\input{knuth}

\stopsection
}

\startsummary[title=Samenvatting]

\input{zapf}

\stopsummary

\stoptext


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___________________________________________________________________________________

Re: Grey background for pages belonging to last section of every chapter

[Rob Heusdens]

Correction, I added "offset=none,frameoffset=0pt," to the parameters for
the textbackground frame.

Code again with correction:

% test background
\setupwhitespace[none]
\setupindenting[yes, small, next]
\setuppagenumbering[alternative=doublesided]

\definetextbackground
  [SummaryBackground]
  [frame=off,offset=none,frameoffset=0pt,
   background=color,
   backgroundcolor=gray,
   backgroundoffset=2ex]

\definehead[summary][section]

\setuphead
  [summary]
  [number=no,
   style=bold,
   before=,
   beforesection={\noindentation\page\starttextbackground[SummaryBackground]},
   aftersection={\stoptextbackground\blank}]

\setuphead[section][number=no,style=bold]


\definecombinedlist[content][section,summary]
\setupcombinedlist[content][level=4, alternative=c]

\starttext
\completecontent
\page
\dorecurse{9}{
\startsection[title={Knuth -- \recurselevel}]

\input{knuth}

\stopsection
}

\startsummary[title=Samenvatting]

\input{zapf}

\stopsummary

\stoptext



Still the summary title is a bit lower on the page then other text.


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___________________________________________________________________________________

Re: Grey background for pages belonging to last section of every chapter

[Wolfgang Schuster]

> Am 30.01.2015 um 21:43 schrieb Rob Heusdens <robheus@xs4all.nl>:
> 
> Correction, I added "offset=none,frameoffset=0pt," to the parameters for
> the textbackground frame.
> 
> Code again with correction:
> 
> % test background
> \setupwhitespace[none]
> \setupindenting[yes, small, next]
> \setuppagenumbering[alternative=doublesided]
> 
> \definetextbackground
>  [SummaryBackground]
>  [frame=off,offset=none,frameoffset=0pt,
>   background=color,
>   backgroundcolor=gray,
>   backgroundoffset=2ex]
> 
> \definehead[summary][section]
> 
> \setuphead
>  [summary]
>  [number=no,
>   style=bold,
>   before=,
>   beforesection={\noindentation\page\starttextbackground[SummaryBackground]},
>   aftersection={\stoptextbackground\blank}]
> 
> \setuphead[section][number=no,style=bold]
> 
> 
> \definecombinedlist[content][section,summary]
> \setupcombinedlist[content][level=4, alternative=c]
> 
> \starttext
> \completecontent
> \page
> \dorecurse{9}{
> \startsection[title={Knuth -- \recurselevel}]
> 
> \input{knuth}
> 
> \stopsection
> }
> 
> \startsummary[title=Samenvatting]
> 
> \input{zapf}
> 
> \stopsummary
> 
> \stoptext
> 
> 
> 
> Still the summary title is a bit lower on the page then other text.


You have to add „location=paragraph” to the textbackground setup.

\definetextbackground
  [ChapterFrame]
  [frame=off,
   background=color,
   backgroundcolor=green,
   backgroundoffset=1ex,
   location=paragraph] % default: location=text

\definehead [Framed]    [chapter]
\definehead [Frameless] [chapter]

\setuphead
  [Frameless]
  [before={\blank[2*line]}]

\setuphead
  [Framed]
  [page=no,
   before=,
   beforesection={\page\blank[2*line]\starttextbackground[ChapterFrame]},
   aftersection=\stoptextbackground]

\starttext

\startnamedsection[Frameless][title=Chapter without frame]

\input knuth

\stopnamedsection

\startnamedsection[Framed][title=Chapter with frame]

\input knuth

\stopnamedsection

\stoptext

Wolfgang
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___________________________________________________________________________________

TOC with Grey background for pages belonging to last section of every chapter

[Keith J. Schultz]

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Hi Wolgang,

I noticed that \startnamedsection does not add it to the TOC
how would one go about having these „namedsections“ added to the TOC.

regards
	Keith.

> Am 02.02.2015 um 12:51 schrieb Wolfgang Schuster <schuster.wolfgang@gmail.com>:
> 
> You have to add „location=paragraph” to the textbackground setup.
> 
> \definetextbackground
>  [ChapterFrame]
>  [frame=off,
>   background=color,
>   backgroundcolor=green,
>   backgroundoffset=1ex,
>   location=paragraph] % default: location=text
> 
> \definehead [Framed]    [chapter]
> \definehead [Frameless] [chapter]
> 
> \setuphead
>  [Frameless]
>  [before={\blank[2*line]}]
> 
> \setuphead
>  [Framed]
>  [page=no,
>   before=,
>   beforesection={\page\blank[2*line]\starttextbackground[ChapterFrame]},
>   aftersection=\stoptextbackground]
> 
> \starttext
> 
> \startnamedsection[Frameless][title=Chapter without frame]
> 
> \input knuth
> 
> \stopnamedsection
> 
> \startnamedsection[Framed][title=Chapter with frame]
> 
> \input knuth
> 
> \stopnamedsection
> 
> \stoptext
> 


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___________________________________________________________________________________

Re: TOC with Grey background for pages belonging to last section of every chapter

[Wolfgang Schuster]

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> Am 02.02.2015 um 14:00 schrieb Keith J. Schultz <keithjschultz@web.de>:
> 
> Hi Wolgang,
> 
> I noticed that \startnamedsection does not add it to the TOC
> how would one go about having these „namedsections“ added to the TOC.
> 
> regards
> 	Keith.
> 
>> Am 02.02.2015 um 12:51 schrieb Wolfgang Schuster <schuster.wolfgang@gmail.com <mailto:schuster.wolfgang@gmail.com>>:
>> 
>> You have to add „location=paragraph” to the textbackground setup.
>> 
>> \definetextbackground
>>  [ChapterFrame]
>>  [frame=off,
>>   background=color,
>>   backgroundcolor=green,
>>   backgroundoffset=1ex,
>>   location=paragraph] % default: location=text
>> 
>> \definehead [Framed]    [chapter]
>> \definehead [Frameless] [chapter]
>> 
>> \setuphead
>>  [Frameless]
>>  [before={\blank[2*line]}]
>> 
>> \setuphead
>>  [Framed]
>>  [page=no,
>>   before=,
>>   beforesection={\page\blank[2*line]\starttextbackground[ChapterFrame]},
>>   aftersection=\stoptextbackground]
>> 
>> \starttext
>> 
>> \startnamedsection[Frameless][title=Chapter without frame]
>> 
>> \input knuth
>> 
>> \stopnamedsection
>> 
>> \startnamedsection[Framed][title=Chapter with frame]
>> 
>> \input knuth
>> 
>> \stopnamedsection
>> 
>> \stoptext

The command \startnamedsection[chapter] is the same as using \startchapter in your
document, the only difference is that you use the header-type as argument in the first
case while in the second case the head-type is part of the command name.

When you print your table of contents with the \placecontent or \completecontent
commands ConTeXt uses only headers which are in the list for the “content” list.
To print additional headers which are defined with \definehead in your document
you can either use \placelist[chapter,MYHEADER,section,…] instead of \placecontent
or you extend the list for “content” with \setupcombinedlist[content][list={chapter,MYHEADER,…}]
or \placecontent[list={chapter,MYHEADER,…}]

Wolfgang

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___________________________________________________________________________________