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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)
‘X11(type = "cairo")’ (and other devices such as ‘png’ using cairographics) and which use Pango font selection now work around a bug in Pango when very small fonts (those with sizes between 0 and 1 in Pango's internal units) are requested. (PR#14369)
Workaround font problem with ‘X11(type = "cairo")’ and similar on Mac OS X whereby italic and bold styles were interchanged. (PR13463 amongst many other reports.)
The self-starting model ‘NLSstClosestX’ failed if some deviation was exactly zero. (PR#14384)