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A general description is here.
‘package.skeleton()’ gains an optional ‘encoding’ argument.
‘system(*, intern = FALSE)’, ‘system2()’ (when not capturing output), ‘file.edit()’ and ‘file.show()’ now issue a warning when the external command cannot be executed.
The self starting function ‘attr(SSlogis, "initial")’ now also works when the y values have exact minimum zero and is slightly changed in general, behaving symmetrically in the y range.