proof-general

问题 I've been trying to learn to use Isabelle 2016. While in principle I like the idea of asynchronous proof checking, I don't like Isabelle/jEdit for a number of reasons, the most severe of which is that it uses too much memory (for me). It'd be great if I could use the good old Proof General with Isabelle 2016. I set the variable isa-isabelle-command to point the file bin/isabelle under the Isabelle distribution directory. When I start Isabelle using Proof General's menu, Emacs hangs, and when