\if{html}{\figure{../../html/Rlogo.svg}{options: class="toplogo" alt="[R logo]"}}\if{latex}{\figure{Rlogo.pdf}{options: width=0.5in}}

time series, proposed by Spencer Graves on R-devel.

Deprecated (for more than 9 years!) functions

class for S4 method handling were removed

The internal code for changing the parent of an environment

now signals an error if the new parent is not an environment or if

the change would create a cycle in the parent chain.

contains very experimental annotations for more clearly

identifying the API status of C entry points. These annotations

are used to produce indices for API, experimental API, and

embedded API entry points in the rendered versions.  This is very

preliminary and may be dropped if a better approach emerges.

new types have compatible memory structure and content. Use of

in package C code should be avoided and may be

deprecated in the near future. It is better to allocate an object

arguments are valid and should be used instead of

closure components.  The existing functions

Some non-API entry points have been added to those reported

in public header files will be removed in the near future, and

away from using non-API endpoints. This section will continue to

be updated as work on clarifying and tightening the C API

s for use of non-API entry points have been

declarations and, where possible, hiding these entry points.

Additional non-API entry points added to those reported by

package metadata now also provide package

provides an alternative to the idiom of calling

which were deleted in Fortran 2008 or earlier.  Fortran compilers

are no longer required to support these.

and other places which use the internal C function

exponent.  This aligns with the C/POSIX standard for

no longer sometimes fail accurate inversion (of

etc), thanks to Christopher Chang's report and patch in

The internal help server on Windows can again serve requests

sent in quick succession, fixing a regression in

corresponding S4-generic version is in the

the platform as this is almost universal -- the increasingly rare