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‘pretty(d, ..)’ for date-time ‘d’ rarely failed when ‘"halfmonth"’ time steps were tried (PR#16923) and on ‘inaccurate’ platforms such as 32-bit Windows or a configuration with ‘--disable-long-double’; see comment #15 of PR#16761.
Use of ‘Ctrl-C’ to terminate a reverse incremental search started by ‘Ctrl-R’ in the ‘readline’-based Unix terminal interface is now supported when R was compiled against ‘readline’ >= 6.0 (‘Ctrl-G’ always worked). (PR#16603)