do less copying of objects, mainly by using

which are raw, logical, integer, real or complex vectors and are

unnamed are not copied before the call, and (named or not) are not

copied after the call.  Lists are no longer copied (they are

supposed to be used read-only in the C code).

It also avoids making a copy of a factor argument

Other functions (often or always) doing less copying include

There is less copying when using primitive replacement

interface instead.  There are no known examples

problems with junctions on Windows (although they were tested on

Windows 7, XP and Server 2008 machines and it is unknown under

what circumstances the problems occur).  Setting the environment

now restricts the packages available when lazy-loading as well

as when test-loading (since packages such as

This check is now also available on Windows.

that the length of the string they are passed does not exceed

debuggers access to the source references on the stack.

Windows-specific changes will now be announced in this file

There are two new environment variables which

control the defaults for command-line options.

is set to a non-empty value, it is as if

is set, it gives the default memory limit

with duplicate column names now give warnings.  Cases where

The residuals in the 5-number summary printed by

labelled as weighted residuals when non-constant weights are

not the points at which to plot (as documented).  (

Names containing characters which need to be escaped were

Trying to update (recommended) packages in

without write access is now dealt with more

gracefully.  Further, such package updates may be skipped (with a

warning), when a newer installed version is already going to be

is now fast again (as up to end of 2003),

with a different fix for the "median"/"centroid" problem.  (

from vectors in the global environment. (

could issue false errors if there was an indirect dependency

which could write beyond the length allocated for the output string.

Missing default argument added to implicit S4 generic for

Some bugs have been fixed in handling load actions that