[ESS] emacs 24 "woe": file name completion does not work for me

Vitalie Spinu spinuvit at gmail.com
Thu Nov 15 16:58:21 CET 2012

Hi Martin, 

The following

 (add-hook 'completion-at-point-functions 'comint-filename-completion)

adds it globally. If you need it locally just set the 'local argument to
add-hook. Any completion function can be added this way. It's a pretty
smart system.


  >> Martin Maechler <maechler at stat.math.ethz.ch>
  >> on Thu, 15 Nov 2012 16:33:46 +0100 wrote:

  > I'm sure some emacs gurus (possibly among ESS core!) will be
  > able to help quickly,
  > and I assume it has affected others, that's why I post here.

  > I'm working with Emacs 23  or  Emacs 24, depending on the
  > computer (OS) I use. I have a habit to use
  > comint-dynamic-complete  very frequently (and have bound it to
  > C-M-Tab and similar keys as this relates to ESS behavior)
  > in TODO, README, etc files,  and also in *.R (or *.c) files when
  > referring to other source files.

  > Now, Help about it in Emacs 24 says 

  >> comint-dynamic-complete is an alias for `completion-at-point'.

  >> It is bound to <C-tab>, <C-M-tab>, <f24> TAB, <menu> TAB.

  >> (comint-dynamic-complete)

  >> This function is obsolete since 24.1;
  >> use `completion-at-point' instead.

  >> Perform completion on the text around point.
  >> The completion method is determined by `completion-at-point-functions'.

  > and if I look at the 
  >     completion-at-point-functions

  > it says

  >> completion-at-point-functions's value is
  >> (tags-completion-at-point-function)

  > and "of course" that has nothing to do with file name
  > completion, and so I should not wonder why file name completion
  > has stopped working for me, since I (am / had to start) using
  > emacs 24.

  > Now this makes using Emacs 24 really  a much less pleasant
  > experience for me.

  > Comments / Hints / Different experiences ?

  > Thanks in advance:
  > Martin

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