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...of memory X and returns to R a pointer to X; then I do some more stuff in R; then I call another Delphi routine, passing it the pointer to X. Finally, I call another Delphi routine from R to free the memory at X. For years, I've used Delphi's own memory manager for this (the basic one, not SHAREMEM.DLL), but recently I've been wondering whether it would be better to use R's wrappers for "alloc" etc. instead. The Delphi routines seem generally to work fine, but my nagging concern [based on ignorance] is whether R's memory manager will somehow not realize that Delphi has a...