The action-response mechanism reminds me of the Easel programming language: http://www.eslsyndetic.com/Documentation/overview_of_responses_and_their_uses.html

The action-response mechanism reminds me of the Easel programming language: http://www.eslsyndetic.com/Documentation/overview_of_responses_and_their_uses.html http://www.eslsyndetic.com/Documentation/overview_of_respons... It was a cool model, if a bit ahead of its time. Good to see the idea living on.