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‘Rgui’ in R 2.12.0 (only) did not always handle lines containing carriage returns (‘\r’) correctly: sometimes random characters where shown.
Since carriage returns have been supported in ‘Rgui’, the cursor positioning after outputting a line containing a carriage return had been unreliable.
The ‘unit.pmax’ and ‘unit.pmin’ in package ‘grid’ gave incorrect results when all inputs were of length 1. (PR#14443)