[NTG-context] Several environments in a project?

[nicola]

> The important part is to use \project in your component and not \product,
> if I understand the code in core-job correct product files are not read 
> within
> a component, only projects, environments and other components.

All my components already start with

\startcomponent X
\product Y
\project Z

So, the rule of thumb is: include all environments in the project file, 
not in the products files, if you want them to be read when typesetting 
the project, a product or a component. That works for me. Thanks!

Nicola