the formula class now displays the associated environment if it is

A new facility has been added for inserting code into a

package without re-installing it, to facilitate testing

changes which can be selectively added and backed out.  See

if loading the package or one of its dependencies fails.

character vector when the array has named dimnames (as the results

to be a character vector.  (Based on suggestions of

files and vignettes using Aspell, Ispell or Hunspell.

Package news can now be given in Rd format, and

The PCRE library has been updated to version 8.10.

The standard Unix-alike terminal interface declares its name

to readline as 'R', so that can be used for conditional sections

the conversion tools now drop duplicates with a warning.

conversion tools also warn about an unrecognized type

methods for date-time objects now attempt to make

formats, but it is not always possible.  (Wish of

cases (e.g. where emulation is used and when

run.  It reports a non-success exit status from running

On a Unix-alike an attempt is made to return the actual exit

this had been system-dependent but on POSIX-compliant systems the

which can be used to (portably) ignore standard output.

are guaranteed to be available on all builds of

the command is not found (even on Solaris).

A facility for defining reference-based S4 classes (in the

OOP style of Java, C++, etc.) has been added experimentally to

will now be reported referencing their original location in the

An experimental new programming model has been added to

bzip2 has been updated to version 1.0.6 (bug-fix release).

and bib style file for the Journal of Statistical Software) as

Supplying the parser with a character string containing both

octal/hex and Unicode escapes is now an error.

files containing Perl configuration variables: use the environment

facility is very rarely actually used, and was superseded by the

and works analogously for Windows binary

installs (to add support for 64- or 32-bit Windows).

When sub-architectures are in use, the installed

package is installed for more than one sub-architecture: this