[NTG-context] local environment?

[Hans Hagen]

On 8/5/2015 3:05 AM, talazem at fastmail.fm wrote:
> Dear all,
>
> What is the replacement for `localenvironment` in project structures?
>
> The first part of my book has one layout; the second has another. I have designed one environment for the first part, and another environment for the second. I do not want the first environment to be used for the second half of the book.
>
> In cont-eni.pdf, I read about using `localenvironment` for such scenarios, but it seems this has been removed.
>
> This is probably a very basic question, but how do I should change the following such that *one pdf* is produced, where the first part—ComponentA—uses EnvironmentA’s layout, while the second part—ComponentB—uses EnvironmentB's. If any startsetups need to be defined, I’d be grateful for any example, showing also where to place them.
>
> # Product
> \startproduct MyProduct
> \component ComponentA
> \component ComponentB
> \stopproduct
>
> # EnvironmentA
> \startenvironment envA
> 	% the definitions
> \stopenvironment
>
> # EnvironmentB
> \startenvironment envB
> 	% the definitions
> \stopenvironment
>
> # ComponentA
> \environment envA
> \product MyProduct
> \startcomponent ComponentA
> \starttext
> 	…
> \stoptext
>
> # ComponentB
> \environment envB
> \product MyProduct
> \startcomponent ComponentA
> \starttext
> 	…
> \stoptext

(1) set up a common style and then load specific ones for each part

or

(2) use grouping \start \component #1 \stop although this assumes that 
settings are not global



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