"<=" in R or S

[Ed Kademan]

Hans Ehrbar <ehrbar at econ.utah.edu> writes:

> ...
> What is the difference between inferior-ess-mode-map
> and ess-mode-map?
> ...

The maps, as you probably know, map key sequences to commands.  ESS
uses inferior-ess-mode-map in the interactive buffer that is running
the program---S or R for example---and uses ess-mode-map in the editor
buffer that is visiting a source file.  I had forgotten that I equated
the underscore to "<-" in both maps, so the way to get ESS to
substitute "<-" for "_" both when you are editing and when you are
interacting is to put the following in your .emacs file

  (add-hook
   'inferior-ess-mode-hook
   '(lambda ()
      (define-key inferior-ess-mode-map "_" "<-")))
  (add-hook
   'ess-mode-hook
   '(lambda ()
      (define-key ess-mode-map "_" "<-")))

-- 
Ed Kademan              508.651.3700
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