[ESS] ESS 5.3.5 and tooltip

Erik Iverson iverson at biostat.wisc.edu
Wed Aug 15 17:28:53 CEST 2007

Hello Sundar -

I'm not using Windows and so cannot comment on that, but I am running 
XEmacs on a RHEL.

I installed ESS 5.3.5 this morning.  I received the same error as you, 
so I too commented out the same lines as you did.  I assume the message 
about delete-trailing-whitespace is no longer relevant

However, after commenting out those lines that you did, I was able to 
see function arguments in a buffer in my XEmacs session without any 
problems.  It only appears to work in an R-mode buffer, not the actual R 
session buffer.  I also had to send a command to the R session first 
from the R-mode buffer (i.e. C-c C-j) before the function names started 
appearing, which makes sense since I understand this feature is silently 
querying the running R session for the argument list.  So maybe that's 
all you need to do?

After that, I was able to see the arguments by typing something like 
"lm(" in the R-mode buffer.  However, the tooltip functionality does not 
appear to be supported in XEmacs.


Sundar Dorai-Raj wrote:
> Hi,
> I just installed ESS-5.3.5 on XEmacs 21.4.19 and Windows XP Pro. I get 
> the following initialization error:
> Cannot open load file: tooltip
> In the lisp/essd-r-args.el file it says this:
> ;; Users of XEmacs (or maybe non-GNU-Emacs users): The code below must
> ;; be slightly adapted in order to work in XEmacs (i.e. comment out
> ;; the delete-trailing-whitespace function call by putting a semicolon
> ;; at the beginning of the line). Furthermore, the tooltip option does
> ;; NOT work in XEmacs (yet) (and will probably only ever work if the
> ;; ESS-core team will adapt the code for XEmacs compatibility).
> I see no such function "delete-trailing-whitespace". However, commenting 
> out
> (eval-when-compile
>    (require 'tooltip)); for tooltip-show
> allows me to to continue, but without any "argument tips". Are "argument 
> tips" completely incompatible with Xemacs and/or Windows?
> Thanks,
> --sundar
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