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A general description is here.
There is a new function ‘rep_len()’ analogous to ‘rep.int()’ for when speed is required (and names are not).
The undocumented use ‘rep(NULL, length.out = n)’ for ‘n > 0’ (which returns ‘NULL’) now gives a warning.
‘Translation’ packages are defunct.
Calling ‘rep()’ or ‘rep.int()’ on a pairlist is now an error.
Calling ‘rep()’ or ‘rep.int()’ on a pairlist is deprecated and will give a warning.
‘Translation’ packages are deprecated.
‘lchoose()’ and ‘choose()’ could overflow the C stack and crash R.
‘Translation’ packages are deprecated.