about the serialization format of a serialized object.

S3 method lookup now by default skips the elements of the

search path between the global and base environments.

to enable splicing a computed list of values into an

has been extended to handle one-sample and

colours (which are less saturated and have better accessibility

properties).  There are also some new built-in palettes, which

include the old default palette under the name

colours to be selected from any of the built-in palettes.

aspect ratio, fulfilling the wish and extending the proposal of

of higher dimension thanks to the patch proposal by

deprecated and replaced by the (more general) argument

to typically more easily readable error messages.

vector of class names used for S3 method dispatch.

robustness consistency.  If exact computations are used, the

where the latter may be used for stability to

fixed with care as the old undocumented behavior was to swap

implemented default method, and gains arguments to generate more

complex sequences.  Based on code from the

's default method and many other methods (by

calling the default eventually and passing

. These should replace the unfortunately named

replacements, but also add named-margin functionality. The old

function names are retained as aliases for back-compatibility.

when the numbers would have been outside the integer range,

now return double vectors (without NAs, typically) in these cases.

now allows customizing error messages via

argument names, thanks to a patch proposal by

wildcard and tilde expansion.  Elements of

interface extended so that arguments to the negative

log-likelihood function can be one or more vectors, with similar

conventions applying to bounds, start values, and parameter values

to be kept fixed.  This required a minor extension to class

, so saved objects from earlier versions may need to

The default order of the levels on the y-axis for

to avoid warnings about X11-related capabilities.

but the only visible effects at user-level should be

a slightly different print format for some units