[ESS] C-c C-c in R console buffer causes Control key to get "stuck" (Windows)

Mark Seeto m@rk@eeto @end|ng |rom gm@||@com
Sat Jul 11 23:05:10 CEST 2020

Hi Rodney,

Thanks for your reply.

In Emacs 26.3 (where the problem happens), when I press C-h k C-c C-c
in an R console buffer I get the same thing whether I use left Control
or right Control:

C-c C-c runs the command comint-interrupt-subjob (found in
inferior-ess-mode-map), which is an interactive compiled Lisp function
in ‘comint.el’.

It is bound to C-c C-c, <menu-bar> <signals> <break>.


Interrupt the current subjob.

And sessionInfo() gives:

R version 3.6.1 (2019-07-05)
Platform: x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows 10 x64 (build 18363)

Matrix products: default

[1] LC_COLLATE=English_Australia.1252  LC_CTYPE=English_Australia.1252
[3] LC_MONETARY=English_Australia.1252 LC_NUMERIC=C
[5] LC_TIME=English_Australia.1252

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base

loaded via a namespace (and not attached):
[1] compiler_3.6.1 tools_3.6.1

I tried installing R 4.0.2 and the same problem happens with that R version.

I'll try looking at keyboard settings in Control Panel.


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