[ESS] ... when editing R documents, 'delete' key behaves as 'backspace'
Martin Maechler
maechler at stat.math.ethz.ch
Mon Sep 8 09:43:54 CEST 2008
>>>>> "AP" == Alun Pope <AlunPope at rismark.com.au>
>>>>> on Mon, 8 Sep 2008 17:25:09 +1000 writes:
AP> Could you please clarify which behaviour you are
AP> suggesting to drop? That is, which is "this behaviour"?
the one mentioned in the 'Subject' and below.
The proposal is to make <Delete> in ess-mode behave as it does
otherwise in emacs.
NOTA BENE: <Delete> != <Backspace>
Martin
AP> Thanks. Alun
AP> -----Original Message----- From:
AP> ess-help-bounces at stat.math.ethz.ch
AP> [mailto:ess-help-bounces at stat.math.ethz.ch] On Behalf Of
AP> Martin Maechler Sent: Monday, 8 September 2008 5:13 PM
AP> To: ess-help at stat.math.ethz.ch; Marek Jarocinski Cc:
AP> ess-bugs at stat.math.ethz.ch Subject: Re: [ESS] ... when
AP> editing R documents,'delete' key behaves as 'backspace'
AP> [Forwarded from a semi-private communication in
AP> ESS-bugs]
>>>>> "StEgl" == Stephen Eglen <S.J.Eglen at damtp.cam.ac.uk>
>>>>> on Sun, 07 Sep 2008 22:21:23 +0100 writes:
>>> I have found a solution to this problem: All I need to
>>> do is to comment out line 173 of ess-mode.el, which
>>> says: (define-key ess-mode-map "\177"
>>> 'backward-delete-char-untabify) After this line is
>>> commented out, DEL key deletes forward, the same as in
>>> all other modes. Does that mean that it was an intended
>>> behavior in ESS?
StEgl> great, thanks for reporting this. That code has
StEgl> probably been there a long time, so I'd imagine that
StEgl> yes, its intended. Stephen
AP> It definitely was back then 15-20 years ago. But in
AP> those times, I don't think that the concept of <forward
AP> deletion> via the delete key as opposed to <backward
AP> deletion> via the backspace key was as (almost?)
AP> universal as now.
AP> I've not used the <delete> key in ESS (or Emacs at that)
AP> at all in the last 10 years or so, but because of the
AP> changed "universal" behavior, I propose that we *drop*
AP> this behavior from ess-mode {the one for editing *.R,
AP> *.S, *.q, *.SAS, ... files) in ESS.
AP> Of course we need to hear further opinions. For that
AP> reason, I'm forwarding this communication to ESS-help
AP> hoping to get feedback.
AP> Martin Maechler
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