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A general description is here.
‘mapply()’ and hence ‘Map()’ now also obey the “max-or-0-if-any” recycling rule, such that, e.g., ‘Map(`+`, 1:3, 1[0])’ is valid now.
‘as.character(<obj>)’ for ‘"hexmode"’ or ‘"octmode"’ objects now fulfills the important basic rule ‘as.character(x)[j] === as.character(x[j])’.
‘removeSource(fn)’ now retains (other) ‘attributes(fn)’.