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It is still necessary to set ‘LIBnn = lib’ (or ‘lib32’) for 32-bit builds of R on a 64-bit OS on those Linux distributions capable for supporting that concept.
‘file.append()’ could return ‘TRUE’ for failures. (PR#14727)
‘gzcon()’ connections are no longer subject to garbage collection: it was possible for this to happen when unintended (e.g. when calling ‘load()’).