, as a series expansion was truncated too early.

sets the S4 bit in the result if either argument is an S4 object.

Conditional inheritance defined by argument

selection (caching these methods could give incorrect results).

The signature of an implicit generic is now used by

in the arguments has been fixed.  See file

Built-in code dealing with environments (

others) now behave consistently to recognize S4 subclasses;

convergence in objective functions that may go negative.

The standard Unix-alike termination dialog to ask whether to

save the workspace takes a EOF response as

problems with a damaged terminal connection.  (

to allow suppression of spurious warnings about graphical

itself had issues with residual DF in zero-weighted

cases (the latter two only in connection with empty

models). (Thanks to Bill Dunlap for spotting the

criterion, notably for cases where the minimum was (very close to)

zero; further, other tweaks inspired from code proposals by Ravi

Rendering of S3 and S4 methods in man pages has been

corrected and made consistent across output formats.

did not backquote some default arguments in

section.  (Reported by Claudia Beleites.)

job of names containing characters invalid in the current locale.

sub-assignment for factors could create an invalid

until first use of returned function (reported by Olaf Mersmann).

propagated also for loading dependent packages, e.g., in

would be recreated as a global variable.  (Reported by Radford

Neal; the fix includes his optimizations as well.)

Task callbacks could report the wrong expression when

pointer objects even when the pointer addresses were the same.

did not duplicate in a case it should have.

now always gives a random file name (even

if the directory is specified) when called directly after

in IEC 60559 arithmetic).  This was seen

The calculation of whether text was completely outside

the device region (in which case, you draw nothing)

was wrong for screen devices (which have [0, 0] at top-left).

The symptom was (long) text disappearing when

resizing a screen window (to make it smaller).  (