R-1.3.1 for Windows

Guido Masarotto guido at hal.stat.unipd.it
Tue Sep 4 17:00:11 CEST 2001

A binary distribution of R-1.3.1 to run on Windows 95, 98, NT4.0 and 2000 
on Intel/clone chips is available at

It will be mirrored at a CRAN site near you in a couple of days.
See below for a list of Windows-specific changes.
guido masarotto
(for the R-core team)

                Windows-specific changes to R 
Lines with lty > 1 and many pieces were being drawn very slowly on
Windows 2000 (but not 98/ME).  To work around this, such lines are
now drawn 5000 pieces at a time.

The dialog for the `Change dir' item now uses a standard folder
selection widget for its Browse button.                 

White backgrounds are now omitted for metafiles (as they are for
postscript, PDF and XFig plots), so white backgounds (the default)
appear to be transparent.                     

help.start() now updates the HTML search index (as well as the
packages index) when it is started up.  link.html.help() works better
when R_LIBS omits the drive, and uses relative links for the main
library, so R installations can be relocated in the file system. 

The background colour of the GUI preferences editor and the
select.list() popup is now taken from the Windows colour scheme.

Rcmd INSTALL now rejects invalid options for --docs (rather than
ignoring them), and checks for the R version in the DESCRIPTION file
exactly the same way as Rcmd check (so with fewer spurious messages).

Added support for building with the ATLAS optimized BLAS library: on a
PII this speeds up La.svd on a 500x500 matrix by about 30%, and the
multiplication of two 1000x1000 matrices by about 8x. See INSTALL.

The recommended compiler system has been changed, but that recommended
for rw1030 still works.

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