[ESS] R-mode not being activated

Vitalie Spinu spinuvit at gmail.com
Sun Jun 2 23:54:46 CEST 2013

Hi Andreas, 

As Paul already suggested, can you check if M-x R-mode works? 

Or alternatively M-: (featurep 'ess-r-d) RET to check that the file in
question is loaded.


 >> Andreas Kiermeier <andreas.kiermeier at gmail.com>
 >> on Sat, 1 Jun 2013 11:56:00 +0930 wrote:

 > Dear all,
 > after a long time I've decided to update several software programs on my
 > Windows 7 machine all at once (which may not have been a good idea),
 > including:

 >    - GNU Emacs 24.3.1 (i386-mingw-nt6.1.7601) of 2013-03-18 on MARVIN [I
 >    don't use Vincent's all-in-one as I like a bit of fiddling and don't want
 >    to download a new version of everything whenever ESS is updated]
 >    - R 3.0.1
 >    - ESS 13.05

 > After starting Emacs (via emacs.exe) there is an *ESS* buffer and I can
 > start an R process without any problems and that all seems to work fine.

 > But, the problem I'm experiencing is that when I load an R source code file
 > (e.g. "analysis.R") into Emacs there is no font-locking, which seems to be
 > the result of R-mode not being loaded/called when loading the file.

 > Trying to narrow down the problem I have started Emacs without the init
 > file (i.e. C:\emacs\bin\emacs.exe --no-init-file). I then open my .emacs
 > file and execute only the following line

 > (require 'ess-site)

 > Again an R process can be started successfully. Loading the analysis.R file
 > has the same effect as before - no font-locking or R-mode (mode line shows
 > only: (Fundamental Fill)). This behaviour happens irrespective of having
 > started an R process or not. Loading R-mode manually in this buffer has the
 > desired effect - font-locking and ability to send commands to the R process
 > (which gets started if not running already).

 > I've checked the value of auto-mode-alist and it contains
 > ("\\.[rR]\\'" . R-mode)
 > and I'd expect R-mode to get loaded when a .R file is opened. But it also
 > contains the following further down (which may not bear any relevance)
 >  ("\\.\\(?:[iI][nN][iI]\\|[lL][sS][tT]\\|[rR][eE][gG]\\|[sS][yY][sS]\\)\\'"
 > . conf-mode)

 > So, with that I'm stumped. Any thoughts would be greatly appreciated.

 > Thanks in advance.

 > Andreas

 > 	[[alternative HTML version deleted]]

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