Single-character package names are deprecated (and

is already disallowed to avoid confusion in

no longer add back an intercept.  (Reported by

date) under some circumstances where it discarded the class

documented.  In previous versions it copied attributes (such as

On PDF and PostScript devices, a line width of zero was

recorded verbatim and this caused problems for some viewers

(a very thin line combined with a non-solid line dash pattern

could also cause a problem).  On these devices, the line width is

now limited at 0.01 and for very thin lines with complex dash

patterns the device may force the line dash pattern to be solid.

The one- and two-argument complex maths functions failed to

warn if NAs were generated (as their numeric analogues do).

method, and turns dispatch on for this primitive.

in the correct frame, thanks to lazy evaluation.  (

It was possible (but very rare) for the loading test in

around a lock directory and a partially installed package.  That

contained a manual dispatch for matrices

class didn't really exist when it was written).

This caused an infinite recursion in the no-GUI case and has now

trailing spaces from within quoted strings.  (The real bug in

before removing missing values, whereas the documentation implied

The perpendicular adjustment used in placing text and

expressions in the margins of plots was not scaled by

Quartz Cocoa device now catches any Cocoa exceptions that

occur during the creation of the device window to prevent crashes.

It also imposes a limit of 144 ft^2 on the area used by a window

to catch user errors (unit misinterpretation) early.

or otherwise) would display attributes such as

that were intended for internal use only.

R's internal filename completion now properly handles

filenames with spaces in them even when the readline library is

could silently over/underflow on integer

.  (This was not previously documented except

for within a single numeric vector, where compiler optimizations

messages in S4 method selection; the error message is now printed.