A small note : this method works if I compile the project but if I compile
only one chapter, the header no longer appears.

Le dim. 15 août 2021 à 17:01, Fabrice Couvreur <fabrice1.couvreur@gmail.com>
a écrit :

> Hi Pablo,
> Thanks, it works.
> Fabrice
>
> Le dim. 15 août 2021 à 16:20, Pablo Rodriguez via ntg-context <
> ntg-context@ntg.nl> a écrit :
>
>> On 8/15/21 12:49 PM, Fabrice Couvreur via ntg-context wrote:
>> > Hello,
>> > Wolfgang created a
>> > heading https://mailman.ntg.nl/pipermail/ntg-context/2021/102870.html
>> > for the chapters of my book.
>> > How can I prevent this header from appearing on the page with the table
>> > of contents ?
>>
>> Hi Fabrice,
>>
>> a simple way would be:
>>
>>   \startsectionblockenvironment[bodypart]
>>     \setuphead
>>        [chapter]
>>        [align=flushright,
>>         textcommand=\groupedcommand{\blank[medium]}{},
>>         numbercolor=darkgray,
>>         textstyle=ChapterTextStyle,
>>         numberstyle=ChapterNumberStyle,
>>         before=\startChapterFrame,
>>         after=\stopChapterFrame,
>>         header=high]
>>   \stopsectionblockenvironment
>>
>> Then use frontmatter and bodymatter.
>>
>> Just in case it might help,
>>
>> Pablo
>> --
>> http://www.ousia.tk
>>
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>