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‘as.POSIXct(x)’ for ‘POSIXlt’ object ‘x’ with ‘.Machine$integer.max - x$year < 1900’ no longer suffers from C level integer overflow, thanks to Suharto Anggono's patch for PR#19038. Currently, this does not apply when the ‘"internal"’ code for date-time conversion and printing is in use, as e.g., on Windows and macOS.
Border case ‘zapsmall(x, digits=Inf)’ where ‘x’ has an ‘Inf’ entry, no longer returns all ‘NaN’ but rather ‘x’. Help page improved, also with more non-default examples.