From: Ryan Davis <ryand-ruby@...>
Date: 2012-11-04T05:37:43+09:00
Subject: Re: ruby -r debug -> "Emacs support available"


On Nov 3, 2012, at 07:06 , listgj-ruby@yahoo.co.uk wrote:

> Forgive my ignorance, but what does that "Emacs support available" message mean? I can't find anything about it anywhere (possibly because the search terms are so common). What kind of support?

Did you look at debug.rb itself? It is one of the joys of ruby. Check it:

      if ENV['EMACS']
        stdout.printf "\032\032%s:%d:\n", binding_file, binding_line
      else
        stdout.printf "%s:%d:%s", binding_file, binding_line,
          line_at(binding_file, binding_line)
      end