Format and message catalog files, and support for

the reference lines.  (Suggestion of Ian McLeod.)

which returns information to allow the plots to be modified for

use as part of other plots, but does not plot them.

, is now available to copy a device to a

still with the reference fields and methods as before

of language objects such as calls and formulae when printing.

(Suggested by a comment of Sarah Goslee.)

Thus if factor levels are marked as UTF-8 an attempt is made to

byte-order-mark (BOM).  Such BOMs are allowed but not recommended

by the Unicode Standard: however Microsoft applications can

produce them and so they are sometimes found on websites.

documented arguments never do).  (Requested by Hervé Pagès; with a

be exported from the package's namespace.

character string, to be used in error messages.

, allowing more compact output, notably for LaTeX

given, and this is used to check version specifications given in

for future code, but should be back-compatible.  At the same time,

the allowed slot specification is slightly more general.  See the

from which it is called), for consistency with

now returns an integer status where available,

format, using the (widely supported) GNU

extension.  It can also store long link names, but these are much

less widely supported.  There is support for larger files, up to

Local reference classes have been added to package

.  These are a technique for avoiding unneeded

copying of large components of objects while retaining standard

if false (not the default) discards the times in the tarball.

This is useful if they are incorrect (some tarballs submitted to

have times in a local time zone or many years in the

past even though the standard required them to be in UTC).

an attempt is made to replay plots created in a different build of

Palette changes get recorded on the display list, so

replaying plots (including when resizing screen devices and using

) will work better when the palette is changed

information at the statement level, not just the function level.

in its output file on Windows, to be consistent with the quoting