On Sun, 7 Apr 2013, Clemens Ballarin wrote:

Quoting Florian Haftmann <florian.haftm...@informatik.tu-muenchen.de>:

context B begin
 context
 begin
   interpretation A
 end
end

This looks attractive, but could you please elaborate the semantics:
- What would be the effect of the interpretation from the inner block on the outer block?
- What would be the effect of the entire sequence on B?

Side remark here: presently "context begin ... end" is still quite weak in holding things local within its body. It is somehow a consequence how the Haftman-Wenzel Neapolitan wafer worked out in the first approach. These things are not yet set in stone, but we need to keep such fine points in mind.


        Makarius
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