On Sat, 31 Aug 2013, Alan Bowen wrote:

I would like to install two ConTeXt trees on my laptop, one for work in
progress and another for testing, and to run them using TeXShop (if that is
feasible).

Are there any instructions for this? I have searched the wiki and TeXShop
help files but have not seen anything that indicates how to do this.

I routinely do this. Lets say you want to install two version of context, context-beta and context-stable. Then, download and copy first-setup.sh in both directories, and run:

   cd context-beta && first-setup
   cd context-stable && first-setup --context=current

Now, you can run

   source path-to-context-beta/tex/setuptex && context filename

to compile a file using context beta and

   source path-to-context-stable/tex/setptex && context filename

to compile a file using context stable.

Aditya

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