negative or infinite value is now an error.  Lines corresponding

Previously the behaviour was device-dependent.

length-one argument.   Previously some silently took the first

element of a longer vector, but not always when documented to do so.

unsafe in a shell (e.g. absolute paths containing spaces) now uses

has been extended to handle raw vectors.

Previously, it only worked in the other direction.

been added, to allow generation of in-text citations from

has been added to report the name of the current default style.

or all variables to be plotted on logarithmic scale.

does a better job when given a model with

interactions (and no longer attempts to plot interaction terms).

The parser now incorporates code from Romain Francois'

package, to support more detailed computation on

the code, such as syntax highlighting, comment-based

for when speed is required (and names are not).

packages with non-ASCII demos: it defaults to the package encoding

converts inputs with a marked encoding to

the current locale: previously it made some attempt to pass

through as bytes inputs invalid in the current locale.

is a warning (if they are essentially the same

works in more cases where the data frames

shared parameter object across calls.  (

documented: times are regarded as equal (by default) if they

argument which can be used to make them much more efficient when

it is known that there are only a small number of unique entries.

now return integer (not double) vectors.  This

halves the storage requirements for large simulations.

use radix sorting for factors of less than 100,000 levels when

as used to generate a diagonal matrix has been

re-written in C for speed and less memory usage.  It now forces

internal functions, for speed and support for large matrices.

) accept logical matrices (and coerce to numeric).

is much faster and uses less memory, but does give different results.

likely to work if the function is saved and used in a different

than a warning) if called with a named first argument.

Format and message catalog files, and support for