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‘system(intern = FALSE)’ now returns ‘127’ (the same as Unix-alikes) rather than ‘-1’ if the command cannot be run, and (like Unix-alikes) no longer gives a warning.
‘R.exe’ when used in place of ‘Rterm.exe’ set the environment variables set by ‘R CMD’. Conversely, ‘R CMD BATCH’ did not.
‘memory.limit()’ did not allow sizes greater than 4095 on 64 bit builds. (PR#14372)