Hi, I'd like to report the following, which I suspect is a bug:
On my Windows 10 system using Emacs 25.3.1 I've got several R versions. For example, I've got R-3.5.0 and R-devel installed under C:\Program Files\R\R-3.5 and C:\Program Files\R\R-3.6, respectively.
Up until quite recently, I could start a specific version, e.g., the 64-bit version of R-3.5.0 by issuing 'M-x R-3.5-64bit'. This is now broken and results in "Searching for program: No such file or directory, R-3.5-64bit".
I've got a couple of "older" ESS versions lying around and found that it still works is ess-20180514.721, but is broken in ess-20180522.213 (and still broken in ess-20180701.100). I checked the commit history and suspect that the 'Simplify how R-X.Y.Z style functions are created' change that got merged in on May 21 may have something to do with this problem.
Kind regards, Henric Winell ______________________________________________ ESS-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/ess-help