Fabrice Couvreur via ntg-context schrieb am 16.08.2021 um 12:18:
> Hi Wolfgang,
> Pablo's solution works, but I tried yours without success. Here are 
> the main lines of my project
>
> %%%% begin project
> \startproject[terminale-environment]
>
> \environment[terminale-style]
>  ...
> \stopproject
> %%%% end project

Do you need a project file?

> %%%% begin component
> \project[terminale-environment]
>
> \startcomponent[terminale_recurrence]
> ...
> \endcomponent
> %%%% end component

You ignored the order for \startcomponent and \project. The environment 
(or project) file has to be loaded *after* \startcomponent, otherwise 
the *component mode is set after the style is already loaded.

Wolfgang