[ESS] .Rmd files and polymode

Patrick Connolly p_connolly at slingshot.co.nz
Sat Oct 4 22:46:22 CEST 2014

I've found ESS does everything I need to manage R code and haven't
updated for 3 years or so.  Now that I want to use knitr, I'd like to
get .Rmd buffers recognised.  So I installed the latest ESS.  Looking
around, it seems to mean the use of polymode, so I found this page:

Following instructions I got as far as the Activation of Polymodes
section.  Was I in error assuming that goes in my ~/.emacs file?
There seems to be a polymode-configuration.el which is up to par which
made me optimistic.

However, if I try to start emacs I get this message:

Cannot open load file, color-...

That seems to be looking for colour themes somewhere which those
instructions have assumed was already functioning.  That might be
because my version of Emacs predates such functionality.

$ emacs --version
GNU Emacs 23.3.1

Maybe my bottleneck is the theme settings or could it be that I erred
in putting th Activation section in ~/.emacs?

I've also assumed the Basic Usage section (in
https://github.com/vitoshka/polymode) is not for mere users such as
me, so I didn't try to make head or tail of it.

It doesn't bother me particularly if it doesn't all work.  I have
these function keys set for years:

(global-set-key [f1] 'ess-eval-line)
(global-set-key [f2] 'ess-eval-region-and-go)
(global-set-key [f3] 'ess-eval-line-and-step)

f2 already works in a .Rmd buffer.  I'd be happy if I could get f3 to
work also.

Suggestions welcome.

   ___    Patrick Connolly   
 {~._.~}                   Great minds discuss ideas    
 _( Y )_  	         Average minds discuss events 
(:_~*~_:)                  Small minds discuss people  
 (_)-(_)  	                      ..... Eleanor Roosevelt

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