When in the Rgui editor sometimes ctrl-R does not cause anything to be sent to the R console. It can be reproduced like this: - when in the Rgui console press ctrl-F N to get a new editor window - enter: pi + 3 followed by Enter - while still in the editor window press ctrl-A ctrl-R and pi + 3 gets entered into the console and runs as expected - while still in the editor window press ctrl-A ctrl-R again In the last case nothing happens whereas one would have expected it to be entered into the console again and run again. I am using [1] "R version 3.3.0 Patched (2016-05-03 r70575)" -- Statistics & Software Consulting GKX Group, GKX Associates Inc. tel: 1-877-GKX-GROUP email: ggrothendieck at gmail.com