+;;; Commentary:
+
+;; riece-ruby.el is a library to interact with the Ruby interpreter.
+;; It supports concurrent execution of Ruby programs in a single
+;; session. For example:
+;;
+;; (riece-ruby-execute "t1" "sleep 30"); returns immediately
+;; => nil
+;; (riece-ruby-execute "t2" "1 + 1")
+;; => nil
+;; (riece-ruby-execute "t3" "\"")
+;; => nil
+;; (riece-ruby-inspect "t1")
+;; => ((OK nil) nil "running")
+;;
+;; (riece-ruby-inspect "t2")
+;; => ((OK nil) "2" "finished")
+;;
+;; (riece-ruby-inspect "t3")
+;; => ((OK nil) "(eval):1:in `dispatch_eval': compile error
+;; (eval):1: unterminated string meets end of file" "exited")
+